diff options
Diffstat (limited to 'tqtinterface/qt4/tools/linguist/lupdate/fetchtr.cpp')
| -rw-r--r-- | tqtinterface/qt4/tools/linguist/lupdate/fetchtr.cpp | 824 |
1 files changed, 0 insertions, 824 deletions
diff --git a/tqtinterface/qt4/tools/linguist/lupdate/fetchtr.cpp b/tqtinterface/qt4/tools/linguist/lupdate/fetchtr.cpp deleted file mode 100644 index de638f7..0000000 --- a/tqtinterface/qt4/tools/linguist/lupdate/fetchtr.cpp +++ /dev/null @@ -1,824 +0,0 @@ -/********************************************************************** -** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. -** -** This file is part of TQt Linguist. -** -** This file may be used under the terms of the GNU General -** Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the files LICENSE.GPL2 -** and LICENSE.GPL3 included in the packaging of this file. -** Alternatively you may (at your option) use any later version -** of the GNU General Public License if such license has been -** publicly approved by Trolltech ASA (or its successors, if any) -** and the KDE Free TQt Foundation. -** -** Please review the following information to ensure GNU General -** Public Licensing requirements will be met: -** http://trolltech.com/products/qt/licenses/licensing/opensource/. -** If you are unsure which license is appropriate for your use, please -** review the following information: -** http://trolltech.com/products/qt/licenses/licensing/licensingoverview -** or contact the sales department at sales@trolltech.com. -** -** Licensees holding valid TQt Commercial licenses may use this file in -** accordance with the TQt Commercial License Agreement provided with -** the Software. -** -** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, -** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted -** herein. -** -**********************************************************************/ - -#include <metatranslator.h> - -#include <tqfile.h> -#include <tqregexp.h> -#include <tqstring.h> -#include <tqtextstream.h> -#include <tqvaluestack.h> -#include <tqxml.h> - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> - -/* qmake ignore TQ_OBJECT */ - -static const char MagicComment[] = "TRANSLATOR "; - -static TQMap<TQCString, int> needs_TQ_OBJECT; -static TQMap<TQCString, int> lacks_TQ_OBJECT; - -/* - The first part of this source file is the C++ tokenizer. We skip - most of C++; the only tokens that interest us are defined here. - Thus, the code fragment - - int main() - { - printf( "Hello, world!\n" ); - return 0; - } - - is broken down into the following tokens (Tok_ omitted): - - Ident Ident LeftParen RightParen - LeftBrace - Ident LeftParen String RightParen Semicolon - return Semicolon - RightBrace. - - The 0 doesn't produce any token. -*/ - -enum { Tok_Eof, Tok_class, Tok_namespace, Tok_return, Tok_tr, - Tok_trUtf8, Tok_translate, Tok_TQ_OBJECT, Tok_Ident, - Tok_Comment, Tok_String, Tok_Arrow, Tok_Colon, - Tok_Gulbrandsen, Tok_LeftBrace, Tok_RightBrace, Tok_LeftParen, - Tok_RightParen, Tok_Comma, Tok_Semicolon }; - -/* - The tokenizer maintains the following global variables. The names - should be self-explanatory. -*/ -static TQCString yyFileName; -static int yyCh; -static char yyIdent[128]; -static size_t yyIdentLen; -static char yyComment[65536]; -static size_t yyCommentLen; -static char yyString[65536]; -static size_t yyStringLen; -static TQValueStack<int> yySavedBraceDepth; -static TQValueStack<int> yySavedParenDepth; -static int yyBraceDepth; -static int yyParenDepth; -static int yyLineNo; -static int yyCurLineNo; -static int yyBraceLineNo; -static int yyParenLineNo; - -// the file to read from (if reading from a file) -static FILE *yyInFile; - -// the string to read from and current position in the string (otherwise) -static TQString yyInStr; -static int yyInPos; - -static int (*getChar)(); - -static int getCharFromFile() -{ - int c = getc( yyInFile ); - if ( c == '\n' ) - yyCurLineNo++; - return c; -} - -static int getCharFromString() -{ - if ( yyInPos == (int) yyInStr.length() ) { - return EOF; - } else { - return yyInStr[yyInPos++].latin1(); - } -} - -static void startTokenizer( const char *fileName, int (*getCharFunc)() ) -{ - yyInPos = 0; - getChar = getCharFunc; - - yyFileName = fileName; - yyCh = getChar(); - yySavedBraceDepth.clear(); - yySavedParenDepth.clear(); - yyBraceDepth = 0; - yyParenDepth = 0; - yyCurLineNo = 1; - yyBraceLineNo = 1; - yyParenLineNo = 1; -} - -static int getToken() -{ - const char tab[] = "abfnrtv"; - const char backTab[] = "\a\b\f\n\r\t\v"; - uint n; - - yyIdentLen = 0; - yyCommentLen = 0; - yyStringLen = 0; - - while ( yyCh != EOF ) { - yyLineNo = yyCurLineNo; - - if ( isalpha(yyCh) || yyCh == '_' ) { - do { - if ( yyIdentLen < sizeof(yyIdent) - 1 ) - yyIdent[yyIdentLen++] = (char) yyCh; - yyCh = getChar(); - } while ( isalnum(yyCh) || yyCh == '_' ); - yyIdent[yyIdentLen] = '\0'; - - switch ( yyIdent[0] ) { - case 'Q': - if ( strcmp(yyIdent + 1, "_OBJECT") == 0 ) { - return Tok_TQ_OBJECT; - } else if ( strcmp(yyIdent + 1, "T_TR_NOOP") == 0 ) { - return Tok_tr; - } else if ( strcmp(yyIdent + 1, "T_TRANSLATE_NOOP") == 0 ) { - return Tok_translate; - } - break; - case 'T': - // TR() for when all else fails - if ( qstricmp(yyIdent + 1, "R") == 0 ) - return Tok_tr; - break; - case 'c': - if ( strcmp(yyIdent + 1, "lass") == 0 ) - return Tok_class; - break; - case 'f': - /* - TQTranslator::findMessage() has the same parameters as - TQApplication::translate(). - */ - if ( strcmp(yyIdent + 1, "indMessage") == 0 ) - return Tok_translate; - break; - case 'n': - if ( strcmp(yyIdent + 1, "amespace") == 0 ) - return Tok_namespace; - break; - case 'r': - if ( strcmp(yyIdent + 1, "eturn") == 0 ) - return Tok_return; - break; - case 's': - if ( strcmp(yyIdent + 1, "truct") == 0 ) - return Tok_class; - break; - case 't': - if ( strcmp(yyIdent + 1, "r") == 0 ) { - return Tok_tr; - } else if ( qstrcmp(yyIdent + 1, "rUtf8") == 0 ) { - return Tok_trUtf8; - } else if ( qstrcmp(yyIdent + 1, "ranslate") == 0 ) { - return Tok_translate; - } - } - return Tok_Ident; - } else { - switch ( yyCh ) { - case '#': - /* - Early versions of lupdate complained about - unbalanced braces in the following code: - - #ifdef ALPHA - while ( beta ) { - #else - while ( gamma ) { - #endif - delta; - } - - The code contains, indeed, two opening braces for - one closing brace; yet there's no reason to panic. - - The solution is to remember yyBraceDepth as it was - when #if, #ifdef or #ifndef was met, and to set - yyBraceDepth to that value when meeting #elif or - #else. - */ - do { - yyCh = getChar(); - } while ( isspace(yyCh) && yyCh != '\n' ); - - switch ( yyCh ) { - case 'i': - yyCh = getChar(); - if ( yyCh == 'f' ) { - // if, ifdef, ifndef - yySavedBraceDepth.push( yyBraceDepth ); - yySavedParenDepth.push( yyParenDepth ); - } - break; - case 'e': - yyCh = getChar(); - if ( yyCh == 'l' ) { - // elif, else - if ( !yySavedBraceDepth.isEmpty() ) { - yyBraceDepth = yySavedBraceDepth.top(); - yyParenDepth = yySavedParenDepth.top(); - } - } else if ( yyCh == 'n' ) { - // endif - if ( !yySavedBraceDepth.isEmpty() ) { - yySavedBraceDepth.pop(); - yySavedParenDepth.pop(); - } - } - } - while ( isalnum(yyCh) || yyCh == '_' ) - yyCh = getChar(); - break; - case '/': - yyCh = getChar(); - if ( yyCh == '/' ) { - do { - yyCh = getChar(); - } while ( yyCh != EOF && yyCh != '\n' ); - } else if ( yyCh == '*' ) { - bool metAster = FALSE; - bool metAsterSlash = FALSE; - - while ( !metAsterSlash ) { - yyCh = getChar(); - if ( yyCh == EOF ) { - fprintf( stderr, - "%s: Unterminated C++ comment starting at" - " line %d\n", - (const char *) yyFileName, yyLineNo ); - yyComment[yyCommentLen] = '\0'; - return Tok_Comment; - } - if ( yyCommentLen < sizeof(yyComment) - 1 ) - yyComment[yyCommentLen++] = (char) yyCh; - - if ( yyCh == '*' ) - metAster = TRUE; - else if ( metAster && yyCh == '/' ) - metAsterSlash = TRUE; - else - metAster = FALSE; - } - yyCh = getChar(); - yyCommentLen -= 2; - yyComment[yyCommentLen] = '\0'; - return Tok_Comment; - } - break; - case '"': - yyCh = getChar(); - - while ( yyCh != EOF && yyCh != '\n' && yyCh != '"' ) { - if ( yyCh == '\\' ) { - yyCh = getChar(); - - if ( yyCh == '\n' ) { - yyCh = getChar(); - } else if ( yyCh == 'x' ) { - TQCString hex = "0"; - - yyCh = getChar(); - while ( isxdigit(yyCh) ) { - hex += (char) yyCh; - yyCh = getChar(); - } - sscanf( hex, "%x", &n ); - if ( yyStringLen < sizeof(yyString) - 1 ) - yyString[yyStringLen++] = (char) n; - } else if ( yyCh >= '0' && yyCh < '8' ) { - TQCString oct = ""; - - do { - oct += (char) yyCh; - yyCh = getChar(); - } while ( yyCh >= '0' && yyCh < '8' ); - sscanf( oct, "%o", &n ); - if ( yyStringLen < sizeof(yyString) - 1 ) - yyString[yyStringLen++] = (char) n; - } else { - const char *p = strchr( tab, yyCh ); - if ( yyStringLen < sizeof(yyString) - 1 ) - yyString[yyStringLen++] = ( p == 0 ) ? - (char) yyCh : backTab[p - tab]; - yyCh = getChar(); - } - } else { - if ( yyStringLen < sizeof(yyString) - 1 ) - yyString[yyStringLen++] = (char) yyCh; - yyCh = getChar(); - } - } - yyString[yyStringLen] = '\0'; - - if ( yyCh != '"' ) - qWarning( "%s:%d: Unterminated C++ string", - (const char *) yyFileName, yyLineNo ); - - if ( yyCh == EOF ) { - return Tok_Eof; - } else { - yyCh = getChar(); - return Tok_String; - } - break; - case '-': - yyCh = getChar(); - if ( yyCh == '>' ) { - yyCh = getChar(); - return Tok_Arrow; - } - break; - case ':': - yyCh = getChar(); - if ( yyCh == ':' ) { - yyCh = getChar(); - return Tok_Gulbrandsen; - } - return Tok_Colon; - case '\'': - yyCh = getChar(); - if ( yyCh == '\\' ) - yyCh = getChar(); - - do { - yyCh = getChar(); - } while ( yyCh != EOF && yyCh != '\'' ); - yyCh = getChar(); - break; - case '{': - if (yyBraceDepth == 0) - yyBraceLineNo = yyCurLineNo; - yyBraceDepth++; - yyCh = getChar(); - return Tok_LeftBrace; - case '}': - if (yyBraceDepth == 0) - yyBraceLineNo = yyCurLineNo; - yyBraceDepth--; - yyCh = getChar(); - return Tok_RightBrace; - case '(': - if (yyParenDepth == 0) - yyParenLineNo = yyCurLineNo; - yyParenDepth++; - yyCh = getChar(); - return Tok_LeftParen; - case ')': - if (yyParenDepth == 0) - yyParenLineNo = yyCurLineNo; - yyParenDepth--; - yyCh = getChar(); - return Tok_RightParen; - case ',': - yyCh = getChar(); - return Tok_Comma; - case ';': - yyCh = getChar(); - return Tok_Semicolon; - default: - yyCh = getChar(); - } - } - } - return Tok_Eof; -} - -/* - The second part of this source file is the parser. It accomplishes - a very easy task: It finds all strings inside a tr() or translate() - call, and possibly finds out the context of the call. It supports - three cases: (1) the context is specified, as in - FunnyDialog::tr("Hello") or translate("FunnyDialog", "Hello"); - (2) the call appears within an inlined function; (3) the call - appears within a function defined outside the class definition. -*/ - -static int yyTok; - -static bool match( int t ) -{ - bool matches = ( yyTok == t ); - if ( matches ) - yyTok = getToken(); - return matches; -} - -static bool matchString( TQCString *s ) -{ - bool matches = ( yyTok == Tok_String ); - *s = ""; - while ( yyTok == Tok_String ) { - *s += yyString; - yyTok = getToken(); - } - return matches; -} - -static bool matchEncoding( bool *utf8 ) -{ - if ( yyTok == Tok_Ident ) { - if ( strcmp(yyIdent, "TQApplication") == 0 ) { - yyTok = getToken(); - if ( yyTok == Tok_Gulbrandsen ) - yyTok = getToken(); - } - *utf8 = TQString( yyIdent ).endsWith( TQString("UTF8") ); - yyTok = getToken(); - return TRUE; - } else { - return FALSE; - } -} - -static void parse( MetaTranslator *tor, const char *initialContext, - const char *defaultContext ) -{ - TQMap<TQCString, TQCString> qualifiedContexts; - TQStringList namespaces; - TQCString context; - TQCString text; - TQCString com; - TQCString functionContext = initialContext; - TQCString prefix; - bool utf8 = FALSE; - bool missing_TQ_OBJECT = FALSE; - - yyTok = getToken(); - while ( yyTok != Tok_Eof ) { - switch ( yyTok ) { - case Tok_class: - /* - Partial support for inlined functions. - */ - yyTok = getToken(); - if ( yyBraceDepth == (int) namespaces.count() && - yyParenDepth == 0 ) { - do { - /* - This code should execute only once, but we play - safe with impure definitions such as - 'class TQ_EXPORT TQMessageBox', in which case - 'TQMessageBox' is the class name, not 'TQ_EXPORT'. - */ - functionContext = yyIdent; - yyTok = getToken(); - } while ( yyTok == Tok_Ident ); - - while ( yyTok == Tok_Gulbrandsen ) { - yyTok = getToken(); - functionContext += "::"; - functionContext += yyIdent; - yyTok = getToken(); - } - - if ( yyTok == Tok_Colon ) { - missing_TQ_OBJECT = TRUE; - } else { - functionContext = defaultContext; - } - } - break; - case Tok_namespace: - yyTok = getToken(); - if ( yyTok == Tok_Ident ) { - TQCString ns = yyIdent; - yyTok = getToken(); - if ( yyTok == Tok_LeftBrace && - yyBraceDepth == (int) namespaces.count() + 1 ) - namespaces.append( TQString(ns) ); - } - break; - case Tok_tr: - case Tok_trUtf8: - utf8 = ( yyTok == Tok_trUtf8 ); - yyTok = getToken(); - if ( match(Tok_LeftParen) && matchString(&text) ) { - com = ""; - if ( match(Tok_RightParen) || (match(Tok_Comma) && - matchString(&com) && match(Tok_RightParen)) ) { - if ( prefix.isNull() ) { - context = functionContext; - if ( !namespaces.isEmpty() ) - context.prepend( (namespaces.join(TQString("::")) + - TQString("::")).latin1() ); - } else { - context = prefix; - } - prefix = (const char *) 0; - - if ( qualifiedContexts.contains(context) ) - context = qualifiedContexts[context]; - tor->insert( MetaTranslatorMessage(context, text, com, - TQString(), utf8) ); - - if ( lacks_TQ_OBJECT.contains(context) ) { - qWarning( "%s:%d: Class '%s' lacks TQ_OBJECT macro", - (const char *) yyFileName, yyLineNo, - (const char *) context ); - lacks_TQ_OBJECT.remove( context ); - } else { - needs_TQ_OBJECT.insert( context, 0 ); - } - } - } - break; - case Tok_translate: - utf8 = FALSE; - yyTok = getToken(); - if ( match(Tok_LeftParen) && - matchString(&context) && - match(Tok_Comma) && - matchString(&text) ) { - com = ""; - if ( match(Tok_RightParen) || - (match(Tok_Comma) && - matchString(&com) && - (match(Tok_RightParen) || - match(Tok_Comma) && - matchEncoding(&utf8) && - match(Tok_RightParen))) ) - tor->insert( MetaTranslatorMessage(context, text, com, - TQString(), utf8) ); - } - break; - case Tok_TQ_OBJECT: - missing_TQ_OBJECT = FALSE; - yyTok = getToken(); - break; - case Tok_Ident: - if ( !prefix.isNull() ) - prefix += "::"; - prefix += yyIdent; - yyTok = getToken(); - if ( yyTok != Tok_Gulbrandsen ) - prefix = (const char *) 0; - break; - case Tok_Comment: - com = yyComment; - com = com.simplifyWhiteSpace(); - if ( com.left(sizeof(MagicComment) - 1) == MagicComment ) { - com.remove( 0, sizeof(MagicComment) - 1 ); - int k = com.find( ' ' ); - if ( k == -1 ) { - context = com; - } else { - context = com.left( k ); - com.remove( 0, k + 1 ); - tor->insert( MetaTranslatorMessage(context, "", com, - TQString(), FALSE) ); - } - - /* - Provide a backdoor for people using "using - namespace". See the manual for details. - */ - k = 0; - while ( (k = context.find("::", k)) != -1 ) { - qualifiedContexts.insert( context.mid(k + 2), context ); - k++; - } - } - yyTok = getToken(); - break; - case Tok_Arrow: - yyTok = getToken(); - if ( yyTok == Tok_tr || yyTok == Tok_trUtf8 ) - qWarning( "%s:%d: Cannot invoke tr() like this", - (const char *) yyFileName, yyLineNo ); - break; - case Tok_Gulbrandsen: - // at top level? - if ( yyBraceDepth == (int) namespaces.count() && yyParenDepth == 0 ) - functionContext = prefix; - yyTok = getToken(); - break; - case Tok_RightBrace: - case Tok_Semicolon: - if ( yyBraceDepth >= 0 && - yyBraceDepth + 1 == (int) namespaces.count() ) - namespaces.remove( namespaces.fromLast() ); - if ( yyBraceDepth == (int) namespaces.count() ) { - if ( missing_TQ_OBJECT ) { - if ( needs_TQ_OBJECT.contains(functionContext) ) { - qWarning( "%s:%d: Class '%s' lacks TQ_OBJECT macro", - (const char *) yyFileName, yyLineNo, - (const char *) functionContext ); - } else { - lacks_TQ_OBJECT.insert( functionContext, 0 ); - } - } - functionContext = defaultContext; - missing_TQ_OBJECT = FALSE; - } - yyTok = getToken(); - break; - default: - yyTok = getToken(); - } - } - - if ( yyBraceDepth != 0 ) - fprintf( stderr, - "%s:%d: Unbalanced braces in C++ code (or abuse of the C++" - " preprocessor)\n", - (const char *)yyFileName, yyBraceLineNo ); - else if ( yyParenDepth != 0 ) - fprintf( stderr, - "%s:%d: Unbalanced parentheses in C++ code (or abuse of the C++" - " preprocessor)\n", - (const char *)yyFileName, yyParenLineNo ); -} - -void fetchtr_cpp( const char *fileName, MetaTranslator *tor, - const char *defaultContext, bool mustExist ) -{ - yyInFile = fopen( fileName, "r" ); - if ( yyInFile == 0 ) { - if ( mustExist ) - fprintf( stderr, - "lupdate error: Cannot open C++ source file '%s': %s\n", - fileName, strerror(errno) ); - return; - } - - startTokenizer( fileName, getCharFromFile ); - parse( tor, 0, defaultContext ); - fclose( yyInFile ); -} - -/* - In addition to C++, we support TQt Designer UI files. -*/ - -/* - Fetches tr() calls in C++ code in UI files (inside "<function>" - tag). This mechanism is obsolete. -*/ -void fetchtr_inlined_cpp( const char *fileName, const TQString& in, - MetaTranslator *tor, const char *context ) -{ - yyInStr = in; - startTokenizer( fileName, getCharFromString ); - parse( tor, context, 0 ); - yyInStr = TQString(); -} - -class UiHandler : public TQXmlDefaultHandler -{ -public: - UiHandler( MetaTranslator *translator, const char *fileName ) - : tor( translator ), fname( fileName ), comment( "" ) { } - - virtual bool startElement( const TQString& namespaceURI, - const TQString& localName, const TQString& qName, - const TQXmlAttributes& atts ); - virtual bool endElement( const TQString& namespaceURI, - const TQString& localName, const TQString& qName ); - virtual bool characters( const TQString& ch ); - virtual bool fatalError( const TQXmlParseException& exception ); - -private: - void flush(); - - MetaTranslator *tor; - TQCString fname; - TQString context; - TQString source; - TQString comment; - - TQString accum; -}; - -bool UiHandler::startElement( const TQString& /* namespaceURI */, - const TQString& /* localName */, - const TQString& qName, - const TQXmlAttributes& atts ) -{ - if ( qName == TQString("item") ) { - flush(); - if ( !atts.value(TQString("text")).isEmpty() ) - source = atts.value( TQString("text") ); - } else if ( qName == TQString("string") ) { - flush(); - } - accum.truncate( 0 ); - return TRUE; -} - -bool UiHandler::endElement( const TQString& /* namespaceURI */, - const TQString& /* localName */, - const TQString& qName ) -{ - accum.replace( TQRegExp(TQString("\r\n")), "\n" ); - - if ( qName == TQString("class") ) { - if ( context.isEmpty() ) - context = accum; - } else if ( qName == TQString("string") ) { - source = accum; - } else if ( qName == TQString("comment") ) { - comment = accum; - flush(); - } else if ( qName == TQString("function") ) { - fetchtr_inlined_cpp( (const char *) fname, accum, tor, - context.latin1() ); - } else { - flush(); - } - return TRUE; -} - -bool UiHandler::characters( const TQString& ch ) -{ - accum += ch; - return TRUE; -} - -bool UiHandler::fatalError( const TQXmlParseException& exception ) -{ - TQString msg; - msg.sprintf( "Parse error at line %d, column %d (%s).", - exception.lineNumber(), exception.columnNumber(), - exception.message().latin1() ); - fprintf( stderr, "XML error: %s\n", msg.latin1() ); - return FALSE; -} - -void UiHandler::flush() -{ - if ( !context.isEmpty() && !source.isEmpty() ) - tor->insert( MetaTranslatorMessage(context.utf8(), source.utf8(), - comment.utf8(), TQString(), - TRUE) ); - source.truncate( 0 ); - comment.truncate( 0 ); -} - -void fetchtr_ui( const char *fileName, MetaTranslator *tor, - const char * /* defaultContext */, bool mustExist ) -{ - TQFile f( fileName ); - if ( !f.open(IO_ReadOnly) ) { - if ( mustExist ) - fprintf( stderr, "lupdate error: cannot open UI file '%s': %s\n", - fileName, strerror(errno) ); - return; - } - - TQTextStream t( &f ); - TQXmlInputSource in( t ); - TQXmlSimpleReader reader; - reader.setFeature( "http://xml.org/sax/features/namespaces", FALSE ); - reader.setFeature( "http://xml.org/sax/features/namespace-prefixes", TRUE ); - reader.setFeature( "http://trolltech.com/xml/features/report-whitespace" - "-only-CharData", FALSE ); - TQXmlDefaultHandler *hand = new UiHandler( tor, fileName ); - reader.setContentHandler( hand ); - reader.setErrorHandler( hand ); - - if ( !reader.parse(in) ) - fprintf( stderr, "%s: Parse error in UI file\n", fileName ); - reader.setContentHandler( 0 ); - reader.setErrorHandler( 0 ); - delete hand; - f.close(); -} |