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path: root/development/translation/opie-lupdate/fetchtr.cpp
authorzecke <zecke>2003-04-20 17:24:50 (UTC)
committer zecke <zecke>2003-04-20 17:24:50 (UTC)
commit92c687d281f69085436a77efb8cd1d4d2d9333f8 (patch) (side-by-side diff)
tree7bbfac3ea310ed140e78cb3c17f8219294cb61d0 /development/translation/opie-lupdate/fetchtr.cpp
parentf1f4e6794507d9b8dafb46ce05968a0647a41777 (diff)
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Diffstat (limited to 'development/translation/opie-lupdate/fetchtr.cpp') (more/less context) (show whitespace changes)
-rw-r--r--development/translation/opie-lupdate/fetchtr.cpp784
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diff --git a/development/translation/opie-lupdate/fetchtr.cpp b/development/translation/opie-lupdate/fetchtr.cpp
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+++ b/development/translation/opie-lupdate/fetchtr.cpp
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+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS. All rights reserved.
+**
+** This file is part of Qt Linguist.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+
+#include <metatranslator.h>
+
+#include <qfile.h>
+#include <qregexp.h>
+#include <qstring.h>
+#include <qtextstream.h>
+#include <qvaluestack.h>
+#include <qxml.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+/* qmake ignore Q_OBJECT */
+
+static const char MagicComment[] = "TRANSLATOR ";
+
+static QMap<QCString, int> needs_Q_OBJECT;
+static QMap<QCString, int> lacks_Q_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_Q_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 QCString yyFileName;
+static int yyCh;
+static char yyIdent[128];
+static size_t yyIdentLen;
+static char yyComment[65536];
+static size_t yyCommentLen;
+static char yyString[16384];
+static size_t yyStringLen;
+static QValueStack<int> yySavedBraceDepth;
+static int yyBraceDepth;
+static int yyParenDepth;
+static int yyLineNo;
+static int yyCurLineNo;
+
+// 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 QString 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();
+ yyBraceDepth = 0;
+ yyParenDepth = 0;
+ yyCurLineNo = 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_Q_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 '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 );
+ }
+ break;
+ case 'e':
+ yyCh = getChar();
+ if ( yyCh == 'l' ) {
+ // elif, else
+ if ( !yySavedBraceDepth.isEmpty() )
+ yyBraceDepth = yySavedBraceDepth.top();
+ } else if ( yyCh == 'n' ) {
+ // endif
+ if ( !yySavedBraceDepth.isEmpty() )
+ yySavedBraceDepth.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' ) {
+ QCString 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' ) {
+ QCString 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 '{':
+ yyBraceDepth++;
+ yyCh = getChar();
+ return Tok_LeftBrace;
+ case '}':
+ yyBraceDepth--;
+ yyCh = getChar();
+ return Tok_RightBrace;
+ case '(':
+ yyParenDepth++;
+ yyCh = getChar();
+ return Tok_LeftParen;
+ case ')':
+ 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( QCString *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, "QApplication") == 0 ) {
+ yyTok = getToken();
+ if ( yyTok == Tok_Gulbrandsen )
+ yyTok = getToken();
+ }
+ *utf8 = QString( yyIdent ).endsWith( QString("UTF8") );
+ yyTok = getToken();
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+static void parse( MetaTranslator *tor, const char *initialContext,
+ const char *defaultContext )
+{
+ QMap<QCString, QCString> qualifiedContexts;
+ QStringList namespaces;
+ QCString context;
+ QCString text;
+ QCString com;
+ QCString functionContext = initialContext;
+ QCString prefix;
+ bool utf8 = FALSE;
+ bool missing_Q_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 Q_EXPORT QMessageBox', in which case
+ 'QMessageBox' is the class name, not 'Q_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_Q_OBJECT = TRUE;
+ } else {
+ functionContext = defaultContext;
+ }
+ }
+ break;
+ case Tok_namespace:
+ yyTok = getToken();
+ if ( yyTok == Tok_Ident ) {
+ QCString ns = yyIdent;
+ yyTok = getToken();
+ if ( yyTok == Tok_LeftBrace &&
+ yyBraceDepth == (int) namespaces.count() + 1 )
+ namespaces.append( QString(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(QString("::")) +
+ QString("::")).latin1() );
+ } else {
+ context = prefix;
+ }
+ prefix = (const char *) 0;
+
+ if ( qualifiedContexts.contains(context) )
+ context = qualifiedContexts[context];
+ tor->insert( MetaTranslatorMessage(context, text, com,
+ QString::null, utf8) );
+
+ if ( lacks_Q_OBJECT.contains(context) ) {
+ qWarning( "%s:%d: Class '%s' lacks Q_OBJECT macro",
+ (const char *) yyFileName, yyLineNo,
+ (const char *) context );
+ lacks_Q_OBJECT.remove( context );
+ } else {
+ needs_Q_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,
+ QString::null, utf8) );
+ }
+ break;
+ case Tok_Q_OBJECT:
+ missing_Q_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,
+ QString::null, 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_Q_OBJECT ) {
+ if ( needs_Q_OBJECT.contains(functionContext) ) {
+ qWarning( "%s:%d: Class '%s' lacks Q_OBJECT macro",
+ (const char *) yyFileName, yyLineNo,
+ (const char *) functionContext );
+ } else {
+ lacks_Q_OBJECT.insert( functionContext, 0 );
+ }
+ }
+ functionContext = defaultContext;
+ missing_Q_OBJECT = FALSE;
+ }
+ yyTok = getToken();
+ break;
+ default:
+ yyTok = getToken();
+ }
+ }
+
+ if ( yyBraceDepth != 0 )
+ fprintf( stderr,
+ "%s: Unbalanced braces in C++ code (or abuse of the C++"
+ " preprocessor)\n",
+ (const char *) yyFileName );
+ if ( yyParenDepth != 0 )
+ fprintf( stderr,
+ "%s: Unbalanced parentheses in C++ code (or abuse of the C++"
+ " preprocessor)\n",
+ (const char *) yyFileName );
+}
+
+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 Qt 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 QString& in,
+ MetaTranslator *tor, const char *context )
+{
+ yyInStr = in;
+ startTokenizer( fileName, getCharFromString );
+ parse( tor, context, 0 );
+ yyInStr = QString::null;
+}
+
+class UiHandler : public QXmlDefaultHandler
+{
+public:
+ UiHandler( MetaTranslator *translator, const char *fileName )
+ : tor( translator ), fname( fileName ), comment( "" ) { }
+
+ virtual bool startElement( const QString& namespaceURI,
+ const QString& localName, const QString& qName,
+ const QXmlAttributes& atts );
+ virtual bool endElement( const QString& namespaceURI,
+ const QString& localName, const QString& qName );
+ virtual bool characters( const QString& ch );
+ virtual bool fatalError( const QXmlParseException& exception );
+
+private:
+ void flush();
+
+ MetaTranslator *tor;
+ QCString fname;
+ QString context;
+ QString source;
+ QString comment;
+
+ QString accum;
+};
+
+bool UiHandler::startElement( const QString& /* namespaceURI */,
+ const QString& /* localName */,
+ const QString& qName,
+ const QXmlAttributes& atts )
+{
+ if ( qName == QString("item") ) {
+ flush();
+ if ( !atts.value(QString("text")).isEmpty() )
+ source = atts.value( QString("text") );
+ } else if ( qName == QString("string") ) {
+ flush();
+ }
+ accum.truncate( 0 );
+ return TRUE;
+}
+
+bool UiHandler::endElement( const QString& /* namespaceURI */,
+ const QString& /* localName */,
+ const QString& qName )
+{
+ accum.replace( QRegExp(QString("\r\n")), "\n" );
+
+ if ( qName == QString("class") ) {
+ if ( context.isEmpty() )
+ context = accum;
+ } else if ( qName == QString("string") ) {
+ source = accum;
+ } else if ( qName == QString("comment") ) {
+ comment = accum;
+ flush();
+ } else if ( qName == QString("function") ) {
+ fetchtr_inlined_cpp( (const char *) fname, accum, tor,
+ context.latin1() );
+ } else {
+ flush();
+ }
+ return TRUE;
+}
+
+bool UiHandler::characters( const QString& ch )
+{
+ accum += ch;
+ return TRUE;
+}
+
+bool UiHandler::fatalError( const QXmlParseException& exception )
+{
+ QString 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(), QString::null,
+ TRUE) );
+ source.truncate( 0 );
+ comment.truncate( 0 );
+}
+
+void fetchtr_ui( const char *fileName, MetaTranslator *tor,
+ const char * /* defaultContext */, bool mustExist )
+{
+ QFile f( fileName );
+ if ( !f.open(IO_ReadOnly) ) {
+ if ( mustExist )
+ fprintf( stderr, "lupdate error: cannot open UI file '%s': %s\n",
+ fileName, strerror(errno) );
+ return;
+ }
+
+ QTextStream t( &f );
+ QXmlInputSource in( t );
+ QXmlSimpleReader 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 );
+ QXmlDefaultHandler *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();
+}