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Cleanup of pydoc translator newline trimming

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Simplify python doxygen translation code by using functions to erase
leading and trailing newlines.  No change to logic.
This commit is contained in:
John McFarland 2019-05-26 07:40:19 -05:00
commit 0c6930d966
1 changed files with 18 additions and 12 deletions
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30
Source/Doxygen/pydoc.cxx
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@ -138,6 +138,18 @@ static void trimWhitespace(string &s) {
s.erase(lastNonSpace + 1);
}
// Erase the first character in the string if it is a newline
static void eraseLeadingNewLine(string &s) {
if ((! s.empty()) && s[0] == '\n')
s.erase(s.begin());
}
// Erase the last character in the string if it is a newline
static void eraseTrailingNewLine(string &s) {
if ((! s.empty()) && s[s.size() - 1] == '\n')
s.erase(s.size() - 1);
}
/* static */
PyDocConverter::TagHandlersMap::mapped_type PyDocConverter::make_handler(tagHandler handler) {
return make_pair(handler, std::string());
@ -422,13 +434,11 @@ void PyDocConverter::handleParagraph(DoxygenEntity &tag, std::string &translated
void PyDocConverter::handleVerbatimBlock(DoxygenEntity &tag, std::string &translatedComment, const std::string &) {
string verb = translateSubtree(tag);
if ((! verb.empty()) && verb[0] == '\n')
verb.erase(verb.begin());
eraseLeadingNewLine(verb);
// Remove the last newline to prevent doubling the newline already present after \endverbatim
trimWhitespace(verb); // Needed to catch trailing newline below
if ((! verb.empty()) && verb[verb.size()-1] == '\n')
verb = verb.substr(0, verb.size()-1);
eraseTrailingNewLine(verb);
translatedComment += verb;
}
@ -505,8 +515,7 @@ void PyDocConverter::handleCode(DoxygenEntity &tag, std::string &translatedComme
// Try and remove leading newline, which is present for block \code
// command:
if ((! code.empty()) && code[0] == '\n')
code.erase(code.begin());
eraseLeadingNewLine(code);
translatedComment += codeIndent;
for (size_t n = 0; n < code.length(); n++) {
@ -529,8 +538,7 @@ void PyDocConverter::handleCode(DoxygenEntity &tag, std::string &translatedComme
// For block commands, the translator adds the newline after
// \endcode, so try and compensate by removing the last newline from
// the code text:
if ((! translatedComment.empty()) && translatedComment[translatedComment.size()-1] == '\n')
translatedComment = translatedComment.substr(0, translatedComment.size()-1); // use translatedComment.pop_back() in C++ 11
eraseTrailingNewLine(translatedComment);
}
void PyDocConverter::handlePlainString(DoxygenEntity &tag, std::string &translatedComment, const std::string &) {
@ -852,9 +860,7 @@ String *PyDocConverter::makeDocumentation(Node *n) {
if (!pyDocString.empty()) {
// remove the last '\n' since additional one is added during writing to file
if (pyDocString[pyDocString.size() - 1] == '\n') {
pyDocString.erase(pyDocString.size() - 1);
}
eraseTrailingNewLine(pyDocString);
if (m_flags & debug_translator) {
std::cout << "\n---RESULT IN PYDOC---" << std::endl;