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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
**
**************************************************************************/
#include "profilehighlighter.h"
#include <QtCore/QRegExp>
#include <QtGui/QColor>
#include <QtGui/QTextDocument>
#include <QtGui/QTextEdit>
using namespace Qt4ProjectManager::Internal;
#define MAX_VARIABLES 50
const char *const variables[MAX_VARIABLES] = {
"CONFIG",
"DEFINES",
"DEF_FILE",
"DEPENDPATH",
"DESTDIR",
"DESTDIR_TARGET",
"DISTFILES",
"DLLDESTDIR",
"FORMS",
"HEADERS",
"INCLUDEPATH",
"LEXSOURCES",
"LIBS",
"MAKEFILE",
"MOC_DIR",
"OBJECTS",
"OBJECTS_DIR",
"OBJMOC",
"OTHER_FILES",
"PKGCONFIG",
"POST_TARGETDEPS",
"PRECOMPILED_HEADER",
"PRE_TARGETDEPS",
"QMAKE",
"QMAKESPEC",
"QT",
"RCC_DIR",
"RC_FILE",
"REQUIRES",
"RESOURCES",
"RES_FILE",
"SOURCES",
"SRCMOC",
"SUBDIRS",
"TARGET",
"TARGET_EXT",
"TARGET_x",
"TARGET_x.y.z",
"TEMPLATE",
"TRANSLATIONS",
"UI_DIR",
"UI_HEADERS_DIR",
"UI_SOURCES_DIR",
"VER_MAJ",
"VER_MIN",
"VER_PAT",
"VERSION",
"VPATH",
"YACCSOURCES",
0
};
#define MAX_FUNCTIONS 22
const char *const functions[MAX_FUNCTIONS] = {
"basename",
"CONFIG",
"contains",
"count",
"dirname",
"error",
"exists",
"find",
"for",
"include",
"infile",
"isEmpty",
"join",
"member",
"message",
"prompt",
"quote",
"sprintf",
"system",
"unique",
"warning",
0
};
struct KeywordHelper
{
inline KeywordHelper(const QString &word) : needle(word) {}
const QString needle;
};
static bool operator<(const KeywordHelper &helper, const char *kw)
{
return helper.needle < QLatin1String(kw);
}
static bool operator<(const char *kw, const KeywordHelper &helper)
{
return QLatin1String(kw) < helper.needle;
}
static bool isVariable(const QString &word)
{
const char *const *start = &variables[0];
const char *const *end = &variables[MAX_VARIABLES - 1];
const char *const *kw = qBinaryFind(start, end, KeywordHelper(word));
return *kw != 0;
}
static bool isFunction(const QString &word)
{
const char *const *start = &functions[0];
const char *const *end = &functions[MAX_FUNCTIONS - 1];
const char *const *kw = qBinaryFind(start, end, KeywordHelper(word));
return *kw != 0;
}
ProFileHighlighter::ProFileHighlighter(QTextDocument *document) :
QSyntaxHighlighter(document)
{
}
void ProFileHighlighter::highlightBlock(const QString &text)
{
if (text.isEmpty())
return;
QString buf;
bool inCommentMode = false;
QTextCharFormat emptyFormat;
int i = 0;
for (;;) {
const QChar c = text.at(i);
if (inCommentMode) {
setFormat(i, 1, m_formats[ProfileCommentFormat]);
} else {
if (c.isLetter() || c == '_' || c == '.') {
buf += c;
setFormat(i - buf.length()+1, buf.length(), emptyFormat);
if (!buf.isEmpty() && isFunction(buf))
setFormat(i - buf.length()+1, buf.length(), m_formats[ProfileFunctionFormat]);
else if (!buf.isEmpty() && isVariable(buf))
setFormat(i - buf.length()+1, buf.length(), m_formats[ProfileVariableFormat]);
} else if (c == '(') {
if (!buf.isEmpty() && isFunction(buf))
setFormat(i - buf.length(), buf.length(), m_formats[ProfileFunctionFormat]);
buf.clear();
} else if (c == '#') {
inCommentMode = true;
setFormat(i, 1, m_formats[ProfileCommentFormat]);
buf.clear();
} else {
if (!buf.isEmpty() && isVariable(buf))
setFormat(i - buf.length(), buf.length(), m_formats[ProfileVariableFormat]);
buf.clear();
}
}
i++;
if (i >= text.length())
break;
}
}
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