author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Fri, 06 Jul 2018 16:35:55 +0100 | |
changeset 249 | 20b718d60bba |
parent 223 | 575d0458b5c0 |
child 333 | 2b754df7e587 |
permissions | -rw-r--r-- |
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#encoding: UTF-8 |
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#************************************************************************************** |
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# class IniFile |
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#************************************************************************************** |
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# This class represents the INI file and can be used to parse, modify, |
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# and write INI files. |
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class IniFile |
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include Enumerable |
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class Error < StandardError |
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end |
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VERSION = '3.0.0' |
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# Public: Open an INI file and load the contents. |
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# |
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# filename - The name of the file as a String |
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# opts - The Hash of options (default: {}) |
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# :comment - String containing the comment character(s) |
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# :parameter - String used to separate parameter and value |
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# :encoding - Encoding String for reading / writing |
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# :default - The String name of the default global section |
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# |
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# Examples |
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# |
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# IniFile.load('file.ini') |
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# #=> IniFile instance |
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# |
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# IniFile.load('does/not/exist.ini') |
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# #=> nil |
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# |
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# Returns an IniFile instance or nil if the file could not be opened. |
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def self.load(filename, opts = {}) |
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return unless File.file? filename |
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new(opts.merge(:filename => filename)) |
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end |
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# Get and set the filename |
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attr_accessor :filename |
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# Get and set the encoding |
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attr_accessor :encoding |
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# Public: Create a new INI file from the given set of options. If :content |
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# is provided then it will be used to populate the INI file. If a :filename |
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# is provided then the contents of the file will be parsed and stored in the |
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# INI file. If neither the :content or :filename is provided then an empty |
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# INI file is created. |
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# |
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# opts - The Hash of options (default: {}) |
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# :content - The String/Hash containing the INI contents |
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# :comment - String containing the comment character(s) |
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# :parameter - String used to separate parameter and value |
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# :encoding - Encoding String for reading / writing |
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# :default - The String name of the default global section |
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# :filename - The filename as a String |
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# |
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# Examples |
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# |
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# IniFile.new |
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# #=> an empty IniFile instance |
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# |
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# IniFile.new( :content => "[global]\nfoo=bar" ) |
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# #=> an IniFile instance |
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# |
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# IniFile.new( :filename => 'file.ini', :encoding => 'UTF-8' ) |
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# #=> an IniFile instance |
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# |
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# IniFile.new( :content => "[global]\nfoo=bar", :comment => '#' ) |
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# #=> an IniFile instance |
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# |
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def initialize(opts = {}) |
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@comment = opts.fetch(:comment, ';#') |
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@param = opts.fetch(:parameter, '=') |
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@encoding = opts.fetch(:encoding, nil) |
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@default = opts.fetch(:default, 'global') |
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@filename = opts.fetch(:filename, nil) |
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content = opts.fetch(:content, nil) |
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@ini = Hash.new {|h, k| h[k] = Hash.new} |
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case |
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when content.is_a?(Hash) |
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merge!(content) |
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when content |
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parse(content) |
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when @filename |
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read |
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else |
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merge!({}) |
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end |
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end |
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# Public: Write the contents of this IniFile to the file system. If left |
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# unspecified, the currently configured filename and encoding will be used. |
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# Otherwise the filename and encoding can be specified in the options hash. |
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# |
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# opts - The default options Hash |
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100 |
# :filename - The filename as a String |
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101 |
# :encoding - The encoding as a String |
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102 |
# |
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103 |
# Returns this IniFile instance. |
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104 |
def write(opts = {}) |
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105 |
filename = opts.fetch(:filename, @filename) |
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106 |
encoding = opts.fetch(:encoding, @encoding) |
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107 |
mode = encoding ? "w:#{encoding}" : 'w' |
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108 |
|
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109 |
File.open(filename, mode) do |f| |
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110 |
@ini.each do |section, hash| |
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111 |
f.puts "[#{section}]" |
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112 |
hash.each {|param, val| f.puts "#{param} #{@param} #{escape_value val}"} |
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113 |
f.puts |
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114 |
end |
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115 |
end |
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116 |
|
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117 |
self |
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118 |
end |
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119 |
|
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120 |
alias :save :write |
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121 |
|
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122 |
# Public: Read the contents of the INI file from the file system and replace |
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123 |
# and set the state of this IniFile instance. If left unspecified the |
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|
124 |
# currently configured filename and encoding will be used when reading from |
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125 |
# the file system. Otherwise the filename and encoding can be specified in |
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126 |
# the options hash. |
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127 |
# |
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128 |
# opts - The default options Hash |
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129 |
# :filename - The filename as a String |
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130 |
# :encoding - The encoding as a String |
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131 |
# |
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132 |
# Returns this IniFile instance if the read was successful; nil is returned |
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133 |
# if the file could not be read. |
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134 |
def read(opts = {}) |
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135 |
filename = opts.fetch(:filename, @filename) |
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136 |
encoding = opts.fetch(:encoding, @encoding) |
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137 |
return unless File.file? filename |
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|
138 |
|
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139 |
mode = encoding ? "r:#{encoding}" : 'r' |
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140 |
File.open(filename, mode) {|fd| parse fd} |
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141 |
self |
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142 |
end |
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143 |
|
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144 |
alias :restore :read |
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145 |
|
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146 |
# Returns this IniFile converted to a String. |
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147 |
def to_s |
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148 |
s = [] |
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149 |
@ini.each do |section, hash| |
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150 |
s << "[#{section}]" |
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151 |
hash.each {|param, val| s << "#{param} #{@param} #{escape_value val}"} |
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152 |
s << '' |
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153 |
end |
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154 |
s.join("\n") |
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155 |
end |
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156 |
|
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157 |
# Returns this IniFile converted to a Hash. |
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158 |
def to_h |
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159 |
@ini.dup |
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160 |
end |
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161 |
|
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162 |
# Public: Creates a copy of this inifile with the entries from the |
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163 |
# other_inifile merged into the copy. |
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164 |
# |
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165 |
# other - The other IniFile. |
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166 |
# |
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167 |
# Returns a new IniFile. |
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168 |
def merge(other) |
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169 |
self.dup.merge!(other) |
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170 |
end |
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171 |
|
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172 |
# Public: Merges other_inifile into this inifile, overwriting existing |
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173 |
# entries. Useful for having a system inifile with user overridable settings |
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174 |
# elsewhere. |
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175 |
# |
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176 |
# other - The other IniFile. |
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177 |
# |
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178 |
# Returns this IniFile. |
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179 |
def merge!(other) |
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180 |
return self if other.nil? |
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181 |
|
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182 |
my_keys = @ini.keys |
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183 |
other_keys = case other |
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184 |
when IniFile |
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185 |
other.instance_variable_get(:@ini).keys |
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186 |
when Hash |
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187 |
other.keys |
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188 |
else |
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189 |
raise Error, "cannot merge contents from '#{other.class.name}'" |
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190 |
end |
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191 |
|
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192 |
(my_keys & other_keys).each do |key| |
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193 |
case other[key] |
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194 |
when Hash |
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195 |
@ini[key].merge!(other[key]) |
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196 |
when nil |
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197 |
nil |
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198 |
else |
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199 |
raise Error, "cannot merge section #{key.inspect} - unsupported type: #{other[key].class.name}" |
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200 |
end |
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201 |
end |
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(other_keys - my_keys).each do |key| |
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@ini[key] = case other[key] |
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when Hash |
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other[key].dup |
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when nil |
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{} |
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else |
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raise Error, "cannot merge section #{key.inspect} - unsupported type: #{other[key].class.name}" |
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end |
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end |
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self |
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end |
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# Public: Yield each INI file section, parameter, and value in turn to the |
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# given block. |
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# |
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# block - The block that will be iterated by the each method. The block will |
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# be passed the current section and the parameter/value pair. |
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# |
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# Examples |
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# |
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# inifile.each do |section, parameter, value| |
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# puts "#{parameter} = #{value} [in section - #{section}]" |
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# end |
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# |
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# Returns this IniFile. |
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def each |
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return unless block_given? |
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@ini.each do |section, hash| |
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hash.each {|param, val| yield section, param, val} |
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end |
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self |
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end |
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# Public: Yield each section in turn to the given block. |
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# |
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# block - The block that will be iterated by the each method. The block will |
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# be passed the current section as a Hash. |
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# |
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# Examples |
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# |
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# inifile.each_section do |section| |
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# puts section.inspect |
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# end |
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# |
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# Returns this IniFile. |
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def each_section |
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return unless block_given? |
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@ini.each_key {|section| yield section} |
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self |
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end |
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# Public: Remove a section identified by name from the IniFile. |
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# |
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# section - The section name as a String. |
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# |
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# Returns the deleted section Hash. |
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def delete_section(section) |
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@ini.delete section.to_s |
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end |
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# Public: Get the section Hash by name. If the section does not exist, then |
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# it will be created. |
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# |
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# section - The section name as a String. |
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# |
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# Examples |
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# |
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# inifile['global'] |
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# #=> global section Hash |
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# |
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# Returns the Hash of parameter/value pairs for this section. |
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def [](section) |
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return nil if section.nil? |
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@ini[section.to_s] |
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end |
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|
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# Public: Set the section to a hash of parameter/value pairs. |
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# |
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# section - The section name as a String. |
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# value - The Hash of parameter/value pairs. |
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# |
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# Examples |
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# |
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# inifile['tenderloin'] = { 'gritty' => 'yes' } |
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# #=> { 'gritty' => 'yes' } |
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# |
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# Returns the value Hash. |
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def []=(section, value) |
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@ini[section.to_s] = value |
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end |
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|
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# Public: Create a Hash containing only those INI file sections whose names |
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# match the given regular expression. |
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# |
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# regex - The Regexp used to match section names. |
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# |
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# Examples |
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# |
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changeset
|
303 |
# inifile.match(/^tree_/) |
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|
304 |
# #=> Hash of matching sections |
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changeset
|
305 |
# |
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|
306 |
# Return a Hash containing only those sections that match the given regular |
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|
307 |
# expression. |
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|
308 |
def match(regex) |
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|
309 |
@ini.dup.delete_if {|section, _| section !~ regex} |
66
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|
310 |
end |
8d2d5dfe94d0
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changeset
|
311 |
|
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changeset
|
312 |
# Public: Check to see if the IniFile contains the section. |
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|
313 |
# |
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changeset
|
314 |
# section - The section name as a String. |
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changeset
|
315 |
# |
8d2d5dfe94d0
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|
316 |
# Returns true if the section exists in the IniFile. |
137
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|
317 |
def has_section?(section) |
66
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changeset
|
318 |
@ini.has_key? section.to_s |
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changeset
|
319 |
end |
8d2d5dfe94d0
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changeset
|
320 |
|
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parents:
diff
changeset
|
321 |
# Returns an Array of section names contained in this IniFile. |
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changeset
|
322 |
def sections |
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changeset
|
323 |
@ini.keys |
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|
324 |
end |
8d2d5dfe94d0
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changeset
|
325 |
|
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changeset
|
326 |
# Public: Freeze the state of this IniFile object. Any attempts to change |
8d2d5dfe94d0
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changeset
|
327 |
# the object will raise an error. |
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parents:
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changeset
|
328 |
# |
8d2d5dfe94d0
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parents:
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changeset
|
329 |
# Returns this IniFile. |
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parents:
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changeset
|
330 |
def freeze |
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parents:
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changeset
|
331 |
super |
8d2d5dfe94d0
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parents:
diff
changeset
|
332 |
@ini.each_value {|h| h.freeze} |
8d2d5dfe94d0
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parents:
diff
changeset
|
333 |
@ini.freeze |
8d2d5dfe94d0
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parents:
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changeset
|
334 |
self |
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parents:
diff
changeset
|
335 |
end |
8d2d5dfe94d0
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parents:
diff
changeset
|
336 |
|
8d2d5dfe94d0
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parents:
diff
changeset
|
337 |
# Public: Mark this IniFile as tainted -- this will traverse each section |
8d2d5dfe94d0
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parents:
diff
changeset
|
338 |
# marking each as tainted. |
8d2d5dfe94d0
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parents:
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changeset
|
339 |
# |
8d2d5dfe94d0
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parents:
diff
changeset
|
340 |
# Returns this IniFile. |
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parents:
diff
changeset
|
341 |
def taint |
8d2d5dfe94d0
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parents:
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changeset
|
342 |
super |
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parents:
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changeset
|
343 |
@ini.each_value {|h| h.taint} |
8d2d5dfe94d0
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parents:
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changeset
|
344 |
@ini.taint |
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parents:
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changeset
|
345 |
self |
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Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
346 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
347 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
348 |
# Public: Produces a duplicate of this IniFile. The duplicate is independent |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
349 |
# of the original -- i.e. the duplicate can be modified without changing the |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
350 |
# original. The tainted state of the original is copied to the duplicate. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
351 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
352 |
# Returns a new IniFile. |
8d2d5dfe94d0
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parents:
diff
changeset
|
353 |
def dup |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
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changeset
|
354 |
other = super |
137
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|
355 |
other.instance_variable_set(:@ini, Hash.new {|h, k| h[k] = Hash.new}) |
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|
356 |
@ini.each_pair {|s, h| other[s].merge! h} |
66
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parents:
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changeset
|
357 |
other.taint if self.tainted? |
8d2d5dfe94d0
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parents:
diff
changeset
|
358 |
other |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
359 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
360 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
361 |
# Public: Produces a duplicate of this IniFile. The duplicate is independent |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
362 |
# of the original -- i.e. the duplicate can be modified without changing the |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
363 |
# original. The tainted state and the frozen state of the original is copied |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
364 |
# to the duplicate. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
365 |
# |
8d2d5dfe94d0
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
366 |
# Returns a new IniFile. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
367 |
def clone |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
368 |
other = dup |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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parents:
diff
changeset
|
369 |
other.freeze if self.frozen? |
8d2d5dfe94d0
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
370 |
other |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
371 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
372 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
373 |
# Public: Compare this IniFile to some other IniFile. For two INI files to |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
374 |
# be equivalent, they must have the same sections with the same parameter / |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
375 |
# value pairs in each section. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
376 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
377 |
# other - The other IniFile. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
378 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
379 |
# Returns true if the INI files are equivalent and false if they differ. |
137
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parents:
76
diff
changeset
|
380 |
def eql?(other) |
66
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parents:
diff
changeset
|
381 |
return true if equal? other |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
382 |
return false unless other.instance_of? self.class |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
383 |
@ini == other.instance_variable_get(:@ini) |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
384 |
end |
137
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Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
385 |
|
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
386 |
alias :== :eql? |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
387 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
388 |
# Escape special characters. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
389 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
390 |
# value - The String value to escape. |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
391 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
392 |
# Returns the escaped value. |
137
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parents:
76
diff
changeset
|
393 |
def escape_value(value) |
66
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parents:
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changeset
|
394 |
value = value.to_s.dup |
137
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parents:
76
diff
changeset
|
395 |
value.gsub!(/\\([0nrt])/, '\\\\\1') |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
396 |
value.gsub!(/\n/, '\n') |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
397 |
value.gsub!(/\r/, '\r') |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
398 |
value.gsub!(/\t/, '\t') |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
399 |
value.gsub!(/\0/, '\0') |
66
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Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
400 |
value |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
401 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
402 |
|
8d2d5dfe94d0
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changeset
|
403 |
# Parse the given content and store the information in this IniFile |
8d2d5dfe94d0
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changeset
|
404 |
# instance. All data will be cleared out and replaced with the information |
8d2d5dfe94d0
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changeset
|
405 |
# read from the content. |
8d2d5dfe94d0
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changeset
|
406 |
# |
8d2d5dfe94d0
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changeset
|
407 |
# content - A String or a file descriptor (must respond to `each_line`) |
8d2d5dfe94d0
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changeset
|
408 |
# |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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changeset
|
409 |
# Returns this IniFile. |
137
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|
410 |
def parse(content) |
66
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changeset
|
411 |
parser = Parser.new(@ini, @param, @comment, @default) |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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changeset
|
412 |
parser.parse(content) |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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changeset
|
413 |
self |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
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changeset
|
414 |
end |
8d2d5dfe94d0
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changeset
|
415 |
|
137
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|
416 |
end # IniFile |
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changeset
|
417 |
|
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|
418 |
#************************************************************************************** |
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|
419 |
# class Parser |
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|
420 |
#************************************************************************************** |
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changeset
|
421 |
|
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changeset
|
422 |
# The IniFile::Parser has the responsibility of reading the contents of an |
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changeset
|
423 |
# .ini file and storing that information into a ruby Hash. The object being |
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diff
changeset
|
424 |
# parsed must respond to `each_line` - this includes Strings and any IO |
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|
425 |
# object. |
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changeset
|
426 |
class Parser |
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changeset
|
427 |
|
e665031cade7
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changeset
|
428 |
attr_writer :section |
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changeset
|
429 |
attr_accessor :property |
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changeset
|
430 |
attr_accessor :value |
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changeset
|
431 |
attr_accessor :section_regexp, :ignore_regexp, :property_regexp |
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changeset
|
432 |
attr_accessor :open_quote, :close_quote |
e665031cade7
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changeset
|
433 |
attr_accessor :full_quote, :trailing_slash, :normal_value |
66
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diff
changeset
|
434 |
|
137
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76
diff
changeset
|
435 |
# Create a new IniFile::Parser that can be used to parse the contents of |
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76
diff
changeset
|
436 |
# an .ini file. |
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diff
changeset
|
437 |
# |
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changeset
|
438 |
# hash - The Hash where parsed information will be stored |
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changeset
|
439 |
# param - String used to separate parameter and value |
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changeset
|
440 |
# comment - String containing the comment character(s) |
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changeset
|
441 |
# default - The String name of the default global section |
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diff
changeset
|
442 |
# |
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changeset
|
443 |
def initialize(hash, param, comment, default) |
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changeset
|
444 |
@hash = hash |
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diff
changeset
|
445 |
@default = default |
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changeset
|
446 |
|
e665031cade7
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changeset
|
447 |
comment = comment.to_s.empty? ? "\z" : "\\s*(?:[#{comment}].*)?\\z" |
e665031cade7
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changeset
|
448 |
|
e665031cade7
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changeset
|
449 |
self.section_regexp = /\A\s*\[([^\]]+)\]#{comment}/ |
e665031cade7
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diff
changeset
|
450 |
self.ignore_regexp = /\A#{comment}/ |
e665031cade7
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diff
changeset
|
451 |
self.property_regexp = /\A(.*?)(?<!\\)#{param}(.*)\z/ |
e665031cade7
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diff
changeset
|
452 |
|
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diff
changeset
|
453 |
self.open_quote = /\A\s*(".*)\z/ |
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changeset
|
454 |
self.close_quote = /\A(.*(?<!\\)")#{comment}/ |
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diff
changeset
|
455 |
|
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diff
changeset
|
456 |
self.full_quote = /\A\s*(".*(?<!\\)"[^<!\\]*)#{comment}/ |
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changeset
|
457 |
self.trailing_slash = /\A(.*)(?<!\\)\\#{comment}/ |
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diff
changeset
|
458 |
self.normal_value = /\A(.*?)#{comment}/ |
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diff
changeset
|
459 |
end |
66
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
460 |
|
137
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diff
changeset
|
461 |
# Returns `true` if the current value starts with a leading double quote. |
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changeset
|
462 |
# Otherwise returns false. |
e665031cade7
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diff
changeset
|
463 |
def leading_quote? |
e665031cade7
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diff
changeset
|
464 |
value && value =~ /\A"/ |
e665031cade7
Cleaning up code and having it more rubyish
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changeset
|
465 |
end |
66
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parents:
diff
changeset
|
466 |
|
137
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parents:
76
diff
changeset
|
467 |
# Given a string, attempt to parse out a value from that string. This |
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Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
468 |
# value might be continued on the following line. So this method returns |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
469 |
# `true` if it is expecting more data. |
e665031cade7
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76
diff
changeset
|
470 |
# |
e665031cade7
Cleaning up code and having it more rubyish
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diff
changeset
|
471 |
# string - String to parse |
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Cleaning up code and having it more rubyish
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76
diff
changeset
|
472 |
# |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
473 |
# Returns `true` if the next line is also part of the current value. |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
474 |
# Returns `false` if the string contained a complete value. |
e665031cade7
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diff
changeset
|
475 |
def parse_value(string) |
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diff
changeset
|
476 |
continuation = false |
66
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
477 |
|
137
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diff
changeset
|
478 |
# if our value starts with a double quote, then we are in a |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
479 |
# line continuation situation |
e665031cade7
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diff
changeset
|
480 |
if leading_quote? |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
481 |
# check for a closing quote at the end of the string |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
482 |
if string =~ self.close_quote |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
483 |
value << $1 |
e665031cade7
Cleaning up code and having it more rubyish
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diff
changeset
|
484 |
# otherwise just append the string to the value |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
485 |
else |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
486 |
value << string |
e665031cade7
Cleaning up code and having it more rubyish
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diff
changeset
|
487 |
continuation = true |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
488 |
end |
76
df28d45f7f5a
On Windows use MSYS2 `ssh.exe` rather than `plink.exe` to clone/checkout repositories over SSH
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
66
diff
changeset
|
489 |
|
137
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76
diff
changeset
|
490 |
# not currently processing a continuation line |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
491 |
else |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
492 |
case string |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
493 |
when self.full_quote |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
494 |
self.value = $1 |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
495 |
when self.open_quote |
e665031cade7
Cleaning up code and having it more rubyish
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diff
changeset
|
496 |
self.value = $1 |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
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diff
changeset
|
497 |
continuation = true |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
498 |
when self.trailing_slash |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
499 |
self.value ? self.value << $1 : self.value = $1 |
e665031cade7
Cleaning up code and having it more rubyish
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diff
changeset
|
500 |
continuation = true |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
501 |
when self.normal_value |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
502 |
self.value ? self.value << $1 : self.value = $1 |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
503 |
else |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
504 |
error |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
505 |
end |
66
8d2d5dfe94d0
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
506 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
507 |
|
137
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diff
changeset
|
508 |
if continuation |
e665031cade7
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diff
changeset
|
509 |
self.value << $/ if leading_quote? |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
510 |
else |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
76
diff
changeset
|
511 |
process_property |
e665031cade7
Cleaning up code and having it more rubyish
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76
diff
changeset
|
512 |
end |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
513 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
514 |
continuation |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
515 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
516 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
517 |
# end class Parser |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
518 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
519 |
# Parse the ini file contents. This will clear any values currently stored |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
520 |
# in the ini hash. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
521 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
522 |
# content - Any object that responds to `each_line` |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
523 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
524 |
# Returns nil. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
525 |
def parse(content) |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
526 |
return unless content |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
527 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
528 |
continuation = false |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
529 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
530 |
@hash.clear |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
531 |
@line = nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
532 |
self.section = nil |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
533 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
534 |
content.each_line do |line| |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
535 |
@line = line.chomp |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
536 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
537 |
if continuation |
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
538 |
continuation = parse_value @line |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
539 |
else |
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
540 |
case @line |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
541 |
when self.ignore_regexp |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
542 |
nil |
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
543 |
when self.section_regexp |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
544 |
self.section = @hash[$1] |
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
545 |
when self.property_regexp |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
546 |
self.property = $1.strip |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
547 |
error if property.empty? |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
548 |
|
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
549 |
continuation = parse_value $2 |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
550 |
else |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
551 |
error |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
552 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
553 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
554 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
555 |
|
137
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
556 |
# check here if we have a dangling value ... usually means we have an |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
557 |
# unmatched open quote |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
558 |
if leading_quote? |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
559 |
error 'Unmatched open quote' |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
560 |
elsif property && value |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
561 |
process_property |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
562 |
elsif value |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
563 |
error |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
564 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
565 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
566 |
nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
567 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
568 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
569 |
# Store the property/value pair in the currently active section. This |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
570 |
# method checks for continuation of the value to the next line. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
571 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
572 |
# Returns nil. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
573 |
def process_property |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
574 |
property.strip! |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
575 |
value.strip! |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
576 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
577 |
self.value = $1 if value =~ /\A"(.*)(?<!\\)"\z/m |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
578 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
579 |
section[property] = typecast(value) |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
580 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
581 |
self.property = nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
582 |
self.value = nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
583 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
584 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
585 |
# Returns the current section Hash. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
586 |
def section |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
587 |
@section ||= @hash[@default] |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
588 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
589 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
590 |
# Raise a parse error using the given message and appending the current line |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
591 |
# being parsed. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
592 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
593 |
# msg - The message String to use. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
594 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
595 |
# Raises IniFile::Error |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
596 |
def error(msg = 'Could not parse line') |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
597 |
raise Error, "#{msg}: #{@line.inspect}" |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
598 |
end |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
599 |
|
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
600 |
# Attempt to typecast the value string. We are looking for boolean values, |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
601 |
# integers, floats, and empty strings. Below is how each gets cast, but it |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
602 |
# is pretty logical and straightforward. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
603 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
604 |
# "true" --> true |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
605 |
# "false" --> false |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
606 |
# "" --> nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
607 |
# "42" --> 42 |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
608 |
# "3.14" --> 3.14 |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
609 |
# "foo" --> "foo" |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
610 |
# |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
611 |
# Returns the typecast value. |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
612 |
def typecast(value) |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
613 |
case value |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
614 |
when /\Atrue\z/i |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
615 |
true |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
616 |
when /\Afalse\z/i |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
617 |
false |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
618 |
when /\A\s*\z/i |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
619 |
nil |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
620 |
else |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
621 |
Integer(value) rescue \ |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
622 |
Float(value) rescue \ |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
changeset
|
623 |
unescape_value(value) |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
624 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
625 |
end |
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
626 |
|
137
e665031cade7
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627 |
# Unescape special characters found in the value string. This will convert |
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Cleaning up code and having it more rubyish
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628 |
# escaped null, tab, carriage return, newline, and backslash into their |
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Cleaning up code and having it more rubyish
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629 |
# literal equivalents. |
e665031cade7
Cleaning up code and having it more rubyish
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630 |
# |
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Cleaning up code and having it more rubyish
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631 |
# value - The String value to unescape. |
e665031cade7
Cleaning up code and having it more rubyish
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632 |
# |
e665031cade7
Cleaning up code and having it more rubyish
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633 |
# Returns the unescaped value. |
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Cleaning up code and having it more rubyish
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634 |
def unescape_value(values=value.to_s) |
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Cleaning up code and having it more rubyish
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|
635 |
values.gsub!(/\\[0nrt\\]/) {|char| |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
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636 |
case char |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
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637 |
when '\0' |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
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638 |
"\0" |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
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changeset
|
639 |
when '\n' |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
76
diff
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|
640 |
"\n" |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
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changeset
|
641 |
when '\r' |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
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642 |
"\r" |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
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643 |
when '\t' |
e665031cade7
Cleaning up code and having it more rubyish
Patrik Svestka <patrik.svestka@gmail.com>
parents:
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644 |
"\t" |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
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645 |
when '\\\\' |
e665031cade7
Cleaning up code and having it more rubyish
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646 |
"\\" |
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Cleaning up code and having it more rubyish
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parents:
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647 |
else |
e665031cade7
Cleaning up code and having it more rubyish
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parents:
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|
648 |
error("Error unescape value: #{char}.") |
e665031cade7
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parents:
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|
649 |
end |
e665031cade7
Cleaning up code and having it more rubyish
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650 |
} |
e665031cade7
Cleaning up code and having it more rubyish
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651 |
values |
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Patrik Svestka <patrik.svestka@gmail.com>
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652 |
end |
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653 |
end # Parser |
66
8d2d5dfe94d0
Refactored SCM support to use `hglib.rb` for performing Mercurial related tasks
Jan Vrany <jan.vrany@fit.cvut.cz>
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654 |