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Commit 048e144d authored by Igor Kushnir's avatar Igor Kushnir
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Remove unused language stringhelpers functions

parent 3abf44ee
Pipeline #245955 passed with stage
in 32 minutes and 2 seconds
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kdevplatform/language/duchain/stringhelpers.cpp
View file @ 048e144d
......@@ -11,69 +11,6 @@
#include <QVarLengthArray>
namespace {
template <typename T>
int strip_impl(const T& str, T& from)
{
if (str.isEmpty())
return 0;
int i = 0;
int ip = 0;
int s = from.length();
for (int a = 0; a < s; a++) {
if (QChar::fromLatin1(from[a]).isSpace()) {
continue;
} else {
if (from[a] == str[i]) {
i++;
ip = a + 1;
if (i == str.length())
break;
} else {
break;
}
}
}
if (ip) {
from.remove(0, ip);
}
return s - from.length();
}
template <typename T>
int rStrip_impl(const T& str, T& from)
{
if (str.isEmpty())
return 0;
int i = 0;
int ip = from.length();
int s = from.length();
for (int a = s - 1; a >= 0; a--) {
if (QChar::fromLatin1(from[a])
.isSpace()) { ///@todo Check whether this can cause problems in utf-8, as only one real character is treated!
continue;
} else {
if (from[a] == str[i]) {
i++;
ip = a;
if (i == str.length())
break;
} else {
break;
}
}
}
if (ip != from.length()) {
from = from.left(ip);
}
return s - from.length();
}
bool endsWithWordBoundary(QStringView str)
{
if (str.isEmpty()) {
......@@ -264,166 +201,6 @@ int findCommaOrEnd(const QString& str, int pos, QChar validEnd)
return size;
}
QString reduceWhiteSpace(const QString& str_)
{
const QStringRef str = QStringRef(&str_).trimmed();
QString ret;
const int len = str.length();
ret.reserve(len);
bool hadSpace = false;
for (const QChar c : str) {
if (c.isSpace()) {
hadSpace = true;
} else {
if (hadSpace) {
hadSpace = false;
ret += QLatin1Char(' ');
}
ret += c;
}
}
ret.squeeze();
return ret;
}
void fillString(QString& str, int start, int end, QChar replacement)
{
for (int a = start; a < end; a++)
str[a] = replacement;
}
QString stripFinalWhitespace(const QString& str)
{
for (int a = str.length() - 1; a >= 0; --a) {
if (!str[a].isSpace())
return str.left(a + 1);
}
return QString();
}
QString clearComments(const QString& str_, QChar replacement)
{
QString str(str_);
QString withoutStrings = clearStrings(str, QLatin1Char('$'));
int pos = -1, newlinePos = -1, endCommentPos = -1, nextPos = -1, dest = -1;
while ((pos = str.indexOf(QLatin1Char('/'), pos + 1)) != -1) {
newlinePos = withoutStrings.indexOf(QLatin1Char('\n'), pos);
if (withoutStrings[pos + 1] == QLatin1Char('/')) {
//C style comment
dest = newlinePos == -1 ? str.length() : newlinePos;
fillString(str, pos, dest, replacement);
pos = dest;
} else if (withoutStrings[pos + 1] == QLatin1Char('*')) {
//CPP style comment
endCommentPos = withoutStrings.indexOf(QLatin1String("*/"), pos + 2);
if (endCommentPos != -1)
endCommentPos += 2;
dest = endCommentPos == -1 ? str.length() : endCommentPos;
while (pos < dest) {
nextPos = (dest > newlinePos && newlinePos != -1) ? newlinePos : dest;
fillString(str, pos, nextPos, replacement);
pos = nextPos;
if (pos == newlinePos) {
++pos; //Keep newlines intact, skip them
newlinePos = withoutStrings.indexOf(QLatin1Char('\n'), pos + 1);
}
}
}
}
return str;
}
QString clearStrings(const QString& str_, QChar replacement)
{
QString str(str_);
bool inString = false;
for (int pos = 0; pos < str.length(); ++pos) {
//Skip cpp comments
if (!inString && pos + 1 < str.length() && str[pos] == QLatin1Char('/') && str[pos + 1] == QLatin1Char('*')) {
pos += 2;
while (pos + 1 < str.length()) {
if (str[pos] == QLatin1Char('*') && str[pos + 1] == QLatin1Char('/')) {
++pos;
break;
}
++pos;
}
}
//Skip cstyle comments
if (!inString && pos + 1 < str.length() && str[pos] == QLatin1Char('/') && str[pos + 1] == QLatin1Char('/')) {
pos += 2;
while (pos < str.length() && str[pos] != QLatin1Char('\n')) {
++pos;
}
}
//Skip a character a la 'b'
if (!inString && str[pos] == QLatin1Char('\'') && pos + 3 <= str.length()) {
//skip the opening '
str[pos] = replacement;
++pos;
if (str[pos] == QLatin1Char('\\')) {
//Skip an escape character
str[pos] = replacement;
++pos;
}
//Skip the actual character
str[pos] = replacement;
++pos;
//Skip the closing '
if (pos < str.length() && str[pos] == QLatin1Char('\'')) {
str[pos] = replacement;
}
continue;
}
bool intoString = false;
if (str[pos] == QLatin1Char('"') && !inString)
intoString = true;
if (inString || intoString) {
if (inString) {
if (str[pos] == QLatin1Char('"'))
inString = false;
} else {
inString = true;
}
bool skip = false;
if (str[pos] == QLatin1Char('\\'))
skip = true;
str[pos] = replacement;
if (skip) {
++pos;
if (pos < str.length())
str[pos] = replacement;
}
}
}
return str;
}
int strip(const QByteArray& str, QByteArray& from)
{
return strip_impl<QByteArray>(str, from);
}
int rStrip(const QByteArray& str, QByteArray& from)
{
return rStrip_impl<QByteArray>(str, from);
}
// NOTE: keep in sync with QString overload below
QByteArray formatComment(const QByteArray& comment)
{
......
kdevplatform/language/duchain/stringhelpers.h
View file @ 048e144d
......@@ -33,24 +33,6 @@ int KDEVPLATFORMLANGUAGE_EXPORT findClose(const QString& str, int pos);
*/
int KDEVPLATFORMLANGUAGE_EXPORT findCommaOrEnd(const QString& str, int pos, QChar validEnd = QLatin1Char( ' ' ));
/**
* Removes white space at the beginning and end, and replaces contiguous inner white-spaces with single white-spaces. Newlines are treated as whitespaces, the returned text will have no more newlines.
*/
QString KDEVPLATFORMLANGUAGE_EXPORT reduceWhiteSpace(const QString& str);
QString KDEVPLATFORMLANGUAGE_EXPORT stripFinalWhitespace(const QString& str);
//
/**
* Fills all c++-style comments within the given code with the given 'replacement' character
* Newlines are preserved.
*/
QString KDEVPLATFORMLANGUAGE_EXPORT clearComments(const QString& str, QChar replacement = QLatin1Char( ' ' ));
/**
* Fills all c++-strings within the given code with the given 'replacement' character
* Comments should have been removed before.
*/
QString KDEVPLATFORMLANGUAGE_EXPORT clearStrings(const QString& str, QChar replacement = QLatin1Char( ' ' ));
/**
* Extracts the interesting information out of a comment.
* For example it removes all the stars at the beginning, and re-indents the text.
......@@ -63,20 +45,6 @@ QString KDEVPLATFORMLANGUAGE_EXPORT formatComment(const QString& comment);
*/
QByteArray KDEVPLATFORMLANGUAGE_EXPORT formatComment(const QByteArray& comment);
/**
* Remove characters in @p str from the end of @p from
*
* @return number of stripped characters
*/
int KDEVPLATFORMLANGUAGE_EXPORT rStrip(const QByteArray& str, QByteArray& from);
/**
* Remove characters in @p str from the beginning of @p from
*
* @return number of stripped characters
*/
int KDEVPLATFORMLANGUAGE_EXPORT strip(const QByteArray& str, QByteArray& from);
/**
* Removes all whitespace from the string
*/
......
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