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make quote/escape parsing more qmake-compatible

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This commit is contained in:
Oswald Buddenhagen
2009-04-15 20:20:17 +02:00
parent 031c7c1658
commit cc09453cb1
1 changed files with 69 additions and 53 deletions
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122
src/shared/proparser/profileevaluator.cpp
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@@ -151,6 +151,8 @@ public:
QString m_pendingComment;
bool m_syntaxError;
bool m_contNextLine;
bool m_inQuote;
int m_parens;
/////////////// Evaluating pro file contents
@@ -251,6 +253,8 @@ bool ProFileEvaluator::Private::read(ProFile *pro)
// Parser state
m_block = 0;
m_commentItem = 0;
m_inQuote = false;
m_parens = 0;
m_contNextLine = false;
m_syntaxError = false;
m_lineNo = 1;
@@ -274,71 +278,83 @@ bool ProFileEvaluator::Private::parseLine(const QString &line0)
if (m_blockstack.isEmpty())
return false;
ushort quote = 0;
int parens = 0;
bool contNextLine = false;
int parens = m_parens;
bool inQuote = m_inQuote;
bool escaped = false;
QString line = line0.simplified();
for (int i = 0; !m_syntaxError && i < line.length(); ++i) {
ushort c = line.at(i).unicode();
if (quote && c == quote)
quote = 0;
else if (c == '(')
++parens;
else if (c == ')')
--parens;
else if (c == '"' && (i == 0 || line.at(i - 1).unicode() != '\\'))
quote = c;
else if (!parens && !quote) {
if (c == '#') {
insertComment(line.mid(i + 1));
contNextLine = m_contNextLine;
break;
}
if (c == '\\' && i >= line.count() - 1) {
updateItem();
contNextLine = true;
if (c == '#') { // Yep - no escaping possible
insertComment(line.mid(i + 1));
escaped = m_contNextLine;
break;
}
if (!escaped) {
if (c == '\\') {
escaped = true;
m_proitem += c;
continue;
} else if (c == '"') {
inQuote = !inQuote;
m_proitem += c;
continue;
}
if (m_block && (m_block->blockKind() & ProBlock::VariableKind)) {
if (c == ' ')
updateItem();
else
m_proitem += c;
continue;
}
if (c == ':') {
enterScope(false);
continue;
}
if (c == '{') {
enterScope(true);
continue;
}
if (c == '}') {
leaveScope();
continue;
}
if (c == '=') {
insertVariable(line, &i);
continue;
}
if (c == '|' || c == '!') {
insertOperator(c);
continue;
} else {
escaped = false;
}
if (!inQuote) {
if (c == '(') {
++parens;
} else if (c == ')') {
--parens;
} else if (!parens) {
if (m_block && (m_block->blockKind() & ProBlock::VariableKind)) {
if (c == ' ')
updateItem();
else
m_proitem += c;
continue;
}
if (c == ':') {
enterScope(false);
continue;
}
if (c == '{') {
enterScope(true);
continue;
}
if (c == '}') {
leaveScope();
continue;
}
if (c == '=') {
insertVariable(line, &i);
continue;
}
if (c == '|' || c == '!') {
insertOperator(c);
continue;
}
}
}
m_proitem += c;
}
m_contNextLine = contNextLine;
if (!m_syntaxError) {
updateItem();
if (!m_contNextLine)
finalizeBlock();
m_inQuote = inQuote;
m_parens = parens;
m_contNextLine = escaped;
if (escaped) {
m_proitem.chop(1);
return true;
} else {
if (!m_syntaxError) {
updateItem();
if (!m_contNextLine)
finalizeBlock();
}
return !m_syntaxError;
}
return !m_syntaxError;
}
void ProFileEvaluator::Private::finalizeBlock()