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path: root/development/translation/shared/proparser.cpp
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-rw-r--r--development/translation/shared/proparser.cpp111
1 files changed, 99 insertions, 12 deletions
diff --git a/development/translation/shared/proparser.cpp b/development/translation/shared/proparser.cpp
index 21d2f86..f616c5a 100644
--- a/development/translation/shared/proparser.cpp
+++ b/development/translation/shared/proparser.cpp
@@ -8,10 +8,16 @@
8** Foundation and appearing in the file LICENSE.GPL included in the 8** Foundation and appearing in the file LICENSE.GPL included in the
9** packaging of this file. 9** packaging of this file.
10** 10**
11** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
12** licenses may use this file in accordance with the Qt Commercial License
13** Agreement provided with the Software.
14**
11** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE 15** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
12** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
13** 17**
14** See http://www.trolltech.com/gpl/ for GPL licensing information. 18** See http://www.trolltech.com/gpl/ for GPL licensing information.
19** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
20** information about Qt Commercial License Agreements.
15** 21**
16** Contact info@trolltech.com if any conditions of this licensing are 22** Contact info@trolltech.com if any conditions of this licensing are
17** not clear to you. 23** not clear to you.
@@ -20,33 +26,72 @@
20 26
21#include "proparser.h" 27#include "proparser.h"
22 28
29#include <qfile.h>
23#include <qregexp.h> 30#include <qregexp.h>
24#include <qstringlist.h> 31#include <qstringlist.h>
32#include <qtextstream.h>
33
34#ifdef Q_OS_UNIX
35#include <unistd.h>
36#endif
37
38#ifdef Q_OS_WIN32
39#define QT_POPEN _popen
40#else
41#define QT_POPEN popen
42#endif
43
44QString loadFile( const QString &fileName )
45{
46 QFile file( fileName );
47 if ( !file.open(IO_ReadOnly) ) {
48 fprintf( stderr, "error: Cannot load '%s': %s\n",
49 file.name().latin1(),
50 file.errorString().latin1() );
51 return QString();
52 }
53
54 QTextStream in( &file );
55 return in.read();
56}
25 57
26QMap<QString, QString> proFileTagMap( const QString& text ) 58QMap<QString, QString> proFileTagMap( const QString& text, const QString& opieDir )
27{ 59{
28 QString t = text; 60 QString t = text;
29 61
30 /* 62 /*
63 Process include() commands.
64 */
65 QRegExp callToInclude("include\\s*\\(\\s*([^()\\s]+)\\s*\\)");
66 int i = 0;
67 while ( (i = callToInclude.search(t, i)) != -1 ) {
68 QString after = loadFile( callToInclude.cap(1) );
69 t.replace( i, callToInclude.matchedLength(), after );
70 i += after.length();
71 }
72
73 /*
31 Strip comments, merge lines ending with backslash, add 74 Strip comments, merge lines ending with backslash, add
32 spaces around '=' and '+=', replace '\n' with ';', and 75 spaces around '=' and '+=', replace '\n' with ';', and
33 simplify white spaces. 76 simplify white spaces.
34 */ 77 */
35 t.replace( QRegExp(QString("#[^\n]$")), QString(" ") ); 78 t.replace( QRegExp(QString("#[^\n]*\n")), QString(" ") );
36 t.replace( QRegExp(QString("\\\\\\s*\n")), QString(" ") ); 79 t.replace( QRegExp(QString("\\\\[^\n\\S]*\n")), QString(" ") );
37 t.replace( "=", QString(" = ") ); 80 t.replace( "=", QString(" = ") );
38 t.replace( "+ =", QString(" += ") ); 81 t.replace( "+ =", QString(" += ") );
39 t.replace( "\n", QString(";") ); 82 t.replace( "\n", QString(";") );
40 t = t.simplifyWhiteSpace(); 83 t = t.simplifyWhiteSpace();
41 84
85 /*
86 Populate tagMap with 'key = value' entries.
87 */
42 QMap<QString, QString> tagMap; 88 QMap<QString, QString> tagMap;
43
44 QStringList lines = QStringList::split( QChar(';'), t ); 89 QStringList lines = QStringList::split( QChar(';'), t );
45 QStringList::Iterator line; 90 QStringList::Iterator line;
46 for ( line = lines.begin(); line != lines.end(); ++line ) { 91 for ( line = lines.begin(); line != lines.end(); ++line ) {
47 QStringList toks = QStringList::split( QChar(' '), *line ); 92 QStringList toks = QStringList::split( QChar(' '), *line );
48 93
49 if ( toks.count() >= 3 && 94 if ( toks.count() >= 3 &&
50 (toks[1] == QString("=") || toks[1] == QString("+=")) ) { 95 (toks[1] == QString("=") || toks[1] == QString("+=")) ) {
51 QString tag = toks.first(); 96 QString tag = toks.first();
52 int k = tag.findRev( QChar(':') ); // as in 'unix:' 97 int k = tag.findRev( QChar(':') ); // as in 'unix:'
@@ -68,20 +113,62 @@ QMap<QString, QString> proFileTagMap( const QString& text )
68 } 113 }
69 } 114 }
70 115
71 QRegExp var( "\\$\\$[a-zA-Z0-9_]+" ); 116 /*
117 Expand $$variables within the 'value' part of a 'key = value'
118 pair.
119 */
120 QRegExp var( "\\$\\$[({]?([a-zA-Z0-9_]+)[)}]?" );
72 QMap<QString, QString>::Iterator it; 121 QMap<QString, QString>::Iterator it;
73 for ( it = tagMap.begin(); it != tagMap.end(); ++it ) { 122 for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
74 int i = 0; 123 int i = 0;
75 124 while ( (i = var.search((*it), i)) != -1 ) {
76 while ( (i = var.search(it.data(), i)) != -1 ) {
77 int len = var.matchedLength(); 125 int len = var.matchedLength();
78 QString invocation = (*it).mid( i + 2, len - 2 ); 126 QString invocation = var.cap(1);
79 QString after; 127 QString after;
80 if ( tagMap.contains(invocation) ) 128
81 after = tagMap[invocation]; 129 if ( invocation == "system" ) {
82 (*it).replace( i, len, after ); 130 // skip system(); it will be handled in the next pass
131 ++i;
132 } else if ( invocation == "OPIEDIR") {
133 (*it).replace( i, len, opieDir );
134 }else {
135 if ( tagMap.contains(invocation) )
136 after = tagMap[invocation];
137 (*it).replace( i, len, after );
138 }
139 }
140 }
141
142 /*
143 Execute system() calls.
144 */
145 QRegExp callToSystem( "\\$\\$system\\s*\\(([^()]*)\\)" );
146 for ( it = tagMap.begin(); it != tagMap.end(); ++it ) {
147 int i = 0;
148 while ( (i = callToSystem.search((*it), i)) != -1 ) {
149 /*
150 This code is stolen from qmake's project.cpp file.
151 Ideally we would use the same parser, so we wouldn't
152 have this code duplication.
153 */
154 QString after;
155 char buff[256];
156 FILE *proc = QT_POPEN( callToSystem.cap(1).latin1(), "r" );
157 while ( proc && !feof(proc) ) {
158 int read_in = fread( buff, 1, 255, proc );
159 if ( !read_in )
160 break;
161 for ( int i = 0; i < read_in; i++ ) {
162 if ( buff[i] == '\n' || buff[i] == '\t' )
163 buff[i] = ' ';
164 }
165 buff[read_in] = '\0';
166 after += buff;
167 }
168 (*it).replace( i, callToSystem.matchedLength(), after );
83 i += after.length(); 169 i += after.length();
84 } 170 }
85 } 171 }
172
86 return tagMap; 173 return tagMap;
87} 174}