QPair<QString, QString> ErbParser::parseEndPercentTag()
{
QString string;
QString defaultVal;
bool defaultFlag = false;
while (pos < erbData.length()) {
if (posMatchWith("%>")) {
pos += 2;
QChar c = erbData[pos - 3];
if (c == QLatin1Char('-') || c == QLatin1Char('+')) { // -%> or +%>
if (defaultFlag) {
defaultVal.chop(1);
} else {
string.chop(1);
}
if (c == QLatin1Char('-'))
skipWhiteSpacesAndNewLineCode();
} else if (trimMode == StrongTrim) { // StrongTrim:2
skipWhiteSpacesAndNewLineCode();
} else if (trimMode == NormalTrim) { // NormalTrim:1
if (startTag == QLatin1String("<%") || startTag.startsWith("<%#")) {
skipWhiteSpacesAndNewLineCode();
}
} else if (trimMode == TrimOff) { // TrimOff:0
// do not skip whitespaces
} else {
qCritical("Invalid arguments: trim mode: %d", trimMode);
}
break;
}
if (posMatchWith("%|%")) {
defaultFlag = true;
pos += 3;
}
QChar c = erbData[pos];
if (c == QLatin1Char('\'') || c == QLatin1Char('"')) {
if (defaultFlag) {
defaultVal += parseQuote();
} else {
string += parseQuote();
}
} else {
if (defaultFlag) {
defaultVal += c;
} else {
string += c;
}
++pos;
}
}
return qMakePair(string, defaultVal);
}
void ErbParser::parsePercentTag()
{
if (!posMatchWith("<%")) {
return;
}
pos += 2;
startTag = "<%";
srcCode += QLatin1String(" "); // Appends indent
QString str;
QChar c = erbData[pos++];
if (c == QLatin1Char('#')) { // <%#
startTag += c;
if (posMatchWith("include ") || posMatchWith("include\t")) {
startTag += QLatin1String("include");
// Outputs include-macro
incCode += QLatin1Char('#');
QPair<QString, QString> p = parseEndPercentTag();
incCode += p.first;
incCode += QLatin1Char('\n');
} else {
// Outputs comments
srcCode += QLatin1String("/*");
QPair<QString, QString> p = parseEndPercentTag();
srcCode += p.first;
srcCode += QLatin1String("*/\n");
}
} else if (c == QLatin1Char('=')) {
startTag += c;
if (posMatchWith("=$")) { // <%==$
startTag += QLatin1String("=$");
pos += 2;
// Outputs 'echo' the export value
QPair<QString, QString> p = parseEndPercentTag();
if (p.second.isEmpty()) {
srcCode += QLatin1String("techoex(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(");\n");
} else {
srcCode += QLatin1String("techoex2(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(", (");
srcCode += semicolonTrim(p.second);
srcCode += QLatin1String("));\n");
}
} else if (posMatchWith("$")) { // <%=$
startTag += "$";
++pos;
// Outputs 'eh' the export value
QPair<QString, QString> p = parseEndPercentTag();
if (p.second.isEmpty()) {
srcCode += QLatin1String("tehex(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(");\n");
} else {
srcCode += QLatin1String("tehex2(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(", (");
srcCode += semicolonTrim(p.second);
srcCode += QLatin1String("));\n");
}
} else if (posMatchWith("=")) { // <%==
startTag += QLatin1Char('=');
++pos;
// Outputs the value
QPair<QString, QString> p = parseEndPercentTag();
if (p.second.isEmpty()) {
srcCode += QLatin1String("responsebody += QVariant(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(").toString();\n");
} else {
srcCode += QLatin1String("{ QString ___s = QVariant(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(").toString(); responsebody += (___s.isEmpty()) ? QVariant(");
srcCode += semicolonTrim(p.second);
srcCode += QLatin1String(").toString() : ___s; }\n");
}
} else { // <%=
// Outputs the escaped value
QPair<QString, QString> p = parseEndPercentTag();
if (p.second.isEmpty()) {
srcCode += QLatin1String("responsebody += THttpUtility::htmlEscape(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(");\n");
} else {
srcCode += QLatin1String("{ QString ___s = QVariant(");
srcCode += semicolonTrim(p.first);
srcCode += QLatin1String(").toString(); responsebody += (___s.isEmpty()) ? THttpUtility::htmlEscape(");
srcCode += semicolonTrim(p.second);
srcCode += QLatin1String(") : THttpUtility::htmlEscape(___s); }\n");
}
}
} else { // <%
--pos;
QPair<QString, QString> p = parseEndPercentTag();
str = p.first.trimmed();
if (!str.endsWith(';')) {
str += QLatin1Char(';');
}
// Raw codes
srcCode += str;
srcCode += QLatin1Char('\n');
}
}