"

 COPYRIGHT (c) 2010 by Jan Vrany, SWING Research Group. CTU in Prague

	      All Rights Reserved

Permission is hereby granted, free of charge, to any person

obtaining a copy of this software and associated documentation

files (the 'Software'), to deal in the Software without

restriction, including without limitation the rights to use,

copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following

conditions:

The above copyright notice and this permission notice shall be

included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"

"{ Package: 'stx:libtool' }"

"{ NameSpace: Tools }"

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-CodeView'

!

!CodeHighlightingService class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2010 by Jan Vrany, SWING Research Group. CTU in Prague

	      All Rights Reserved

Permission is hereby granted, free of charge, to any person

obtaining a copy of this software and associated documentation

files (the 'Software'), to deal in the Software without

restriction, including without limitation the rights to use,

copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following

conditions:

The above copyright notice and this permission notice shall be

included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"

! !

!CodeHighlightingService class methodsFor:'accessing'!

label

    "Answers short label - for UI"

    ^'Syntax Highlighting'

    "Created: / 07-03-2010 / 14:00:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeHighlightingService methodsFor:'accessing'!

syntaxHighlighter

    "First, ask application..."

    app := codeView application.

    app notNil ifTrue:[

        (mthd notNil and:[app respondsTo: #syntaxHighlighterForMethod:]) ifTrue:[

            highlighter := app syntaxHighlighterForMethod:mthd.

        ] ifFalse:[

            (class notNil and:[app respondsTo: #syntaxHighlighterForClass:]) ifTrue:[                        

                highlighter := app syntaxHighlighterForClass: class.

            ].

        ]

    ].

    "App did not provide any highlighter..."

    highlighter isNil ifTrue:[        

                ifNil:[nil]

                ifNotNil:[lang syntaxHighlighterClass].

    ].

    "HACK!!!!!!"

    highlighter == SyntaxHighlighter ifTrue:[

        highlighter := SyntaxHighlighter2

    ].

    ^ highlighter

    "Created: / 05-08-2011 / 10:48:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

syntaxHighlighters

    | highlighters |

    highlighters := OrderedCollection new: 4.

    codeView services do:[:service|

        | highlighter |

        highlighter := service syntaxHighlighter.        

        highlighter notNil ifTrue:[

            "HACK, since AbstractSyntaxHighlighter overwrite

             emphasis instead of adding it..."

            (highlighter isKindOf: AbstractSyntaxHighlighter class) ifTrue:[

                highlighters addFirst: highlighter                    

            ] ifFalse:[

                highlighters add: highlighter

            ].

        ]

    ].

    ^highlighters

    "Created: / 05-08-2011 / 10:49:17 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

! !

!CodeHighlightingService methodsFor:'private'!

        "No higlighter, nothing to do"

        ^self

    ].

    "Modified: / 07-07-2011 / 12:26:12 / Jan Vrany <jan.vrant@fit.cvut,cz>"

!

    |oldCode oldCodeList newCode elements cls mthd highlighterClasses|

    done := false.

    codeView syntaxElements: nil.

    codeView syntaxElementSelection: nil.

    highlighterClasses := self syntaxHighlighters.

    cls := codeView klass.

    (cls notNil and:[cls isObsolete]) ifTrue:[

        cls isMeta ifTrue:[

            cls := (Smalltalk at:cls theNonMetaclass name) class

        ] ifFalse:[

            cls := Smalltalk at:cls name

        ].

    ].

    mthd := codeView methodHolder value.

        oldCodeList := textView list copy.

            oldCodeList isNil ifFalse:[

                oldCode := oldCodeList asStringWithoutEmphasis.

                    Screen currentScreenQuerySignal answer:codeView device

                    do:[

                        Parser::ParseError handle:[:ex |

                            |errMsg|

                            errMsg := ex description asStringCollection first asString.

                            "/ Transcript topView raiseDeiconified.

                            "/ Transcript showCR:'ParseError: ', ex description.

"/ self halt.

                            "/ self showInfo:(errMsg colorizeAllWith:Color red).

                            newCode := nil.

                        ] do:[

                            elements := SortedCollection new.

                            newCode := oldCode asText.

                            codeView codeAspect == #method ifTrue:[

                                highlighterClasses do:[:e|newCode := e formatMethod:mthd source:newCode in:cls using: nil elementsInto: elements].

                            ] ifFalse:[

                                codeView codeAspect == #expression ifTrue:[

                                    highlighterClasses do:[:e|newCode := e formatExpression:newCode in:cls elementsInto: elements].

                                ] ifFalse:[

                                    codeView codeAspect == #classDefinition ifTrue:[

                                        highlighterClasses do:[:e|newCode := e formatClassDefinition:newCode in:cls elementsInto: elements].

                                    ]

                                ].

                            ].

                        ]

                    ].

                    newCode notNil ifTrue:[

                            newCode ~= oldCodeList ifTrue:[

                                newCode := newCode asStringCollection.

                                    done := true.

                                    textView notNil ifTrue:[

                                        "/ must add this event - and not been interrupted

                                        "/ by any arriving key-event.

                                        "/ self showInfo:nil.

                                        delayed ifTrue:[

                                            codeView sensor

                                                pushUserEvent:#setHighlightedCode:elements:

                                                for:self

                                                withArguments:(Array with:newCode with: elements).

                                                "/self delayedUpdateBufferLabelWithCheckIfModified

                                        ] ifFalse:[

                                            textView contents: newCode.

                                        ]

                                    ]

                                ]

                            ].

                        ]

                    ]

                ]

            ]

        ]

    ]

! !

!CodeHighlightingService class methodsFor:'documentation'!

version

!

version_CVS

!

version_SVN