511 lines
15 KiB
C++
511 lines
15 KiB
C++
/*============================================================================
|
|
CMake - Cross Platform Makefile Generator
|
|
Copyright 2000-2013 Kitware, Inc., Insight Software Consortium
|
|
|
|
Distributed under the OSI-approved BSD License (the "License");
|
|
see accompanying file Copyright.txt for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even the
|
|
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the License for more information.
|
|
============================================================================*/
|
|
#include "cmRST.h"
|
|
|
|
#include "cmSystemTools.h"
|
|
#include "cmVersion.h"
|
|
#include <cmsys/FStream.hxx>
|
|
#include <ctype.h>
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmRST::cmRST(std::ostream& os, std::string const& docroot):
|
|
OS(os),
|
|
DocRoot(docroot),
|
|
IncludeDepth(0),
|
|
OutputLinePending(false),
|
|
LastLineEndedInColonColon(false),
|
|
Markup(MarkupNone),
|
|
Directive(DirectiveNone),
|
|
CMakeDirective("^.. (cmake:)?("
|
|
"command|variable"
|
|
")::[ \t]+([^ \t\n]+)$"),
|
|
CMakeModuleDirective("^.. cmake-module::[ \t]+([^ \t\n]+)$"),
|
|
ParsedLiteralDirective("^.. parsed-literal::[ \t]*(.*)$"),
|
|
CodeBlockDirective("^.. code-block::[ \t]*(.*)$"),
|
|
ReplaceDirective("^.. (\\|[^|]+\\|) replace::[ \t]*(.*)$"),
|
|
IncludeDirective("^.. include::[ \t]+([^ \t\n]+)$"),
|
|
TocTreeDirective("^.. toctree::[ \t]*(.*)$"),
|
|
ProductionListDirective("^.. productionlist::[ \t]*(.*)$"),
|
|
NoteDirective("^.. note::[ \t]*(.*)$"),
|
|
ModuleRST("^#\\[(=*)\\[\\.rst:$"),
|
|
CMakeRole("(:cmake)?:("
|
|
"command|generator|variable|module|policy|"
|
|
"prop_cache|prop_dir|prop_gbl|prop_sf|prop_test|prop_tgt|"
|
|
"manual"
|
|
"):`(<*([^`<]|[^` \t]<)*)([ \t]+<[^`]*>)?`"),
|
|
Substitution("(^|[^A-Za-z0-9_])"
|
|
"((\\|[^| \t\r\n]([^|\r\n]*[^| \t\r\n])?\\|)(__|_|))"
|
|
"([^A-Za-z0-9_]|$)")
|
|
{
|
|
this->Replace["|release|"] = cmVersion::GetCMakeVersion();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmRST::ProcessFile(std::string const& fname, bool isModule)
|
|
{
|
|
cmsys::ifstream fin(fname.c_str());
|
|
if(fin)
|
|
{
|
|
this->DocDir = cmSystemTools::GetFilenamePath(fname);
|
|
if(isModule)
|
|
{
|
|
this->ProcessModule(fin);
|
|
}
|
|
else
|
|
{
|
|
this->ProcessRST(fin);
|
|
}
|
|
this->OutputLinePending = true;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessRST(std::istream& is)
|
|
{
|
|
std::string line;
|
|
while(cmSystemTools::GetLineFromStream(is, line))
|
|
{
|
|
this->ProcessLine(line);
|
|
}
|
|
this->Reset();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessModule(std::istream& is)
|
|
{
|
|
std::string line;
|
|
std::string rst;
|
|
while(cmSystemTools::GetLineFromStream(is, line))
|
|
{
|
|
if(!rst.empty() && rst != "#")
|
|
{
|
|
// Bracket mode: check for end bracket
|
|
std::string::size_type pos = line.find(rst);
|
|
if(pos == line.npos)
|
|
{
|
|
this->ProcessLine(line);
|
|
}
|
|
else
|
|
{
|
|
if(line[0] != '#')
|
|
{
|
|
this->ProcessLine(line.substr(0, pos));
|
|
}
|
|
rst = "";
|
|
this->Reset();
|
|
this->OutputLinePending = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Line mode: check for .rst start (bracket or line)
|
|
if(rst == "#")
|
|
{
|
|
if(line == "#")
|
|
{
|
|
this->ProcessLine("");
|
|
continue;
|
|
}
|
|
else if(line.substr(0, 2) == "# ")
|
|
{
|
|
this->ProcessLine(line.substr(2, line.npos));
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
rst = "";
|
|
this->Reset();
|
|
this->OutputLinePending = true;
|
|
}
|
|
}
|
|
if(line == "#.rst:")
|
|
{
|
|
rst = "#";
|
|
}
|
|
else if(this->ModuleRST.find(line))
|
|
{
|
|
rst = "]" + this->ModuleRST.match(1) + "]";
|
|
}
|
|
}
|
|
}
|
|
if(rst == "#")
|
|
{
|
|
this->Reset();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::Reset()
|
|
{
|
|
if(!this->MarkupLines.empty())
|
|
{
|
|
this->UnindentLines(this->MarkupLines);
|
|
}
|
|
switch(this->Directive)
|
|
{
|
|
case DirectiveNone: break;
|
|
case DirectiveParsedLiteral: this->ProcessDirectiveParsedLiteral(); break;
|
|
case DirectiveLiteralBlock: this->ProcessDirectiveLiteralBlock(); break;
|
|
case DirectiveCodeBlock: this->ProcessDirectiveCodeBlock(); break;
|
|
case DirectiveReplace: this->ProcessDirectiveReplace(); break;
|
|
case DirectiveTocTree: this->ProcessDirectiveTocTree(); break;
|
|
}
|
|
this->Markup = MarkupNone;
|
|
this->Directive = DirectiveNone;
|
|
this->MarkupLines.clear();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessLine(std::string const& line)
|
|
{
|
|
bool lastLineEndedInColonColon = this->LastLineEndedInColonColon;
|
|
this->LastLineEndedInColonColon = false;
|
|
|
|
// A line starting in .. is an explicit markup start.
|
|
if(line == ".." || (line.size() >= 3 && line[0] == '.' &&
|
|
line[1] == '.' && isspace(line[2])))
|
|
{
|
|
this->Reset();
|
|
this->Markup = (line.find_first_not_of(" \t", 2) == line.npos ?
|
|
MarkupEmpty : MarkupNormal);
|
|
if(this->CMakeDirective.find(line))
|
|
{
|
|
// Output cmake domain directives and their content normally.
|
|
this->NormalLine(line);
|
|
}
|
|
else if(this->CMakeModuleDirective.find(line))
|
|
{
|
|
// Process cmake-module directive: scan .cmake file comments.
|
|
std::string file = this->CMakeModuleDirective.match(1);
|
|
if(file.empty() || !this->ProcessInclude(file, IncludeModule))
|
|
{
|
|
this->NormalLine(line);
|
|
}
|
|
}
|
|
else if(this->ParsedLiteralDirective.find(line))
|
|
{
|
|
// Record the literal lines to output after whole block.
|
|
this->Directive = DirectiveParsedLiteral;
|
|
this->MarkupLines.push_back(this->ParsedLiteralDirective.match(1));
|
|
}
|
|
else if(this->CodeBlockDirective.find(line))
|
|
{
|
|
// Record the literal lines to output after whole block.
|
|
// Ignore the language spec and record the opening line as blank.
|
|
this->Directive = DirectiveCodeBlock;
|
|
this->MarkupLines.push_back("");
|
|
}
|
|
else if(this->ReplaceDirective.find(line))
|
|
{
|
|
// Record the replace directive content.
|
|
this->Directive = DirectiveReplace;
|
|
this->ReplaceName = this->ReplaceDirective.match(1);
|
|
this->MarkupLines.push_back(this->ReplaceDirective.match(2));
|
|
}
|
|
else if(this->IncludeDirective.find(line))
|
|
{
|
|
// Process the include directive or output the directive and its
|
|
// content normally if it fails.
|
|
std::string file = this->IncludeDirective.match(1);
|
|
if(file.empty() || !this->ProcessInclude(file, IncludeNormal))
|
|
{
|
|
this->NormalLine(line);
|
|
}
|
|
}
|
|
else if(this->TocTreeDirective.find(line))
|
|
{
|
|
// Record the toctree entries to process after whole block.
|
|
this->Directive = DirectiveTocTree;
|
|
this->MarkupLines.push_back(this->TocTreeDirective.match(1));
|
|
}
|
|
else if(this->ProductionListDirective.find(line))
|
|
{
|
|
// Output productionlist directives and their content normally.
|
|
this->NormalLine(line);
|
|
}
|
|
else if(this->NoteDirective.find(line))
|
|
{
|
|
// Output note directives and their content normally.
|
|
this->NormalLine(line);
|
|
}
|
|
}
|
|
// An explicit markup start followed nothing but whitespace and a
|
|
// blank line does not consume any indented text following.
|
|
else if(this->Markup == MarkupEmpty && line.empty())
|
|
{
|
|
this->NormalLine(line);
|
|
}
|
|
// Indented lines following an explicit markup start are explicit markup.
|
|
else if(this->Markup && (line.empty() || isspace(line[0])))
|
|
{
|
|
this->Markup = MarkupNormal;
|
|
// Record markup lines if the start line was recorded.
|
|
if(!this->MarkupLines.empty())
|
|
{
|
|
this->MarkupLines.push_back(line);
|
|
}
|
|
}
|
|
// A blank line following a paragraph ending in "::" starts a literal block.
|
|
else if(lastLineEndedInColonColon && line.empty())
|
|
{
|
|
// Record the literal lines to output after whole block.
|
|
this->Markup = MarkupNormal;
|
|
this->Directive = DirectiveLiteralBlock;
|
|
this->MarkupLines.push_back("");
|
|
this->OutputLine("", false);
|
|
}
|
|
// Print non-markup lines.
|
|
else
|
|
{
|
|
this->NormalLine(line);
|
|
this->LastLineEndedInColonColon = (line.size() >= 2
|
|
&& line[line.size()-2] == ':' && line[line.size()-1] == ':');
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::NormalLine(std::string const& line)
|
|
{
|
|
this->Reset();
|
|
this->OutputLine(line, true);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::OutputLine(std::string const& line_in, bool inlineMarkup)
|
|
{
|
|
if(this->OutputLinePending)
|
|
{
|
|
this->OS << "\n";
|
|
this->OutputLinePending = false;
|
|
}
|
|
if(inlineMarkup)
|
|
{
|
|
std::string line = this->ReplaceSubstitutions(line_in);
|
|
std::string::size_type pos = 0;
|
|
while(this->CMakeRole.find(line.c_str()+pos))
|
|
{
|
|
this->OS << line.substr(pos, this->CMakeRole.start());
|
|
std::string text = this->CMakeRole.match(3);
|
|
// If a command reference has no explicit target and
|
|
// no explicit "(...)" then add "()" to the text.
|
|
if(this->CMakeRole.match(2) == "command" &&
|
|
this->CMakeRole.match(5).empty() &&
|
|
text.find_first_of("()") == text.npos)
|
|
{
|
|
text += "()";
|
|
}
|
|
this->OS << "``" << text << "``";
|
|
pos += this->CMakeRole.end();
|
|
}
|
|
this->OS << line.substr(pos) << "\n";
|
|
}
|
|
else
|
|
{
|
|
this->OS << line_in << "\n";
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::string cmRST::ReplaceSubstitutions(std::string const& line)
|
|
{
|
|
std::string out;
|
|
std::string::size_type pos = 0;
|
|
while(this->Substitution.find(line.c_str()+pos))
|
|
{
|
|
std::string::size_type start = this->Substitution.start(2);
|
|
std::string::size_type end = this->Substitution.end(2);
|
|
std::string substitute = this->Substitution.match(3);
|
|
std::map<std::string, std::string>::iterator
|
|
replace = this->Replace.find(substitute);
|
|
if(replace != this->Replace.end())
|
|
{
|
|
std::pair<std::set<std::string>::iterator, bool> replaced =
|
|
this->Replaced.insert(substitute);
|
|
if(replaced.second)
|
|
{
|
|
substitute = this->ReplaceSubstitutions(replace->second);
|
|
this->Replaced.erase(replaced.first);
|
|
}
|
|
}
|
|
out += line.substr(pos, start);
|
|
out += substitute;
|
|
pos += end;
|
|
}
|
|
out += line.substr(pos);
|
|
return out;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::OutputMarkupLines(bool inlineMarkup)
|
|
{
|
|
for(std::vector<std::string>::iterator i = this->MarkupLines.begin();
|
|
i != this->MarkupLines.end(); ++i)
|
|
{
|
|
std::string line = *i;
|
|
if(!line.empty())
|
|
{
|
|
line = " " + line;
|
|
}
|
|
this->OutputLine(line, inlineMarkup);
|
|
}
|
|
this->OutputLinePending = true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmRST::ProcessInclude(std::string file, IncludeType type)
|
|
{
|
|
bool found = false;
|
|
if(this->IncludeDepth < 10)
|
|
{
|
|
cmRST r(this->OS, this->DocRoot);
|
|
r.IncludeDepth = this->IncludeDepth + 1;
|
|
r.OutputLinePending = this->OutputLinePending;
|
|
if(type != IncludeTocTree)
|
|
{
|
|
r.Replace = this->Replace;
|
|
}
|
|
if(file[0] == '/')
|
|
{
|
|
file = this->DocRoot + file;
|
|
}
|
|
else
|
|
{
|
|
file = this->DocDir + "/" + file;
|
|
}
|
|
found = r.ProcessFile(file, type == IncludeModule);
|
|
if(type != IncludeTocTree)
|
|
{
|
|
this->Replace = r.Replace;
|
|
}
|
|
this->OutputLinePending = r.OutputLinePending;
|
|
}
|
|
return found;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessDirectiveParsedLiteral()
|
|
{
|
|
this->OutputMarkupLines(true);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessDirectiveLiteralBlock()
|
|
{
|
|
this->OutputMarkupLines(false);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessDirectiveCodeBlock()
|
|
{
|
|
this->OutputMarkupLines(false);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessDirectiveReplace()
|
|
{
|
|
// Record markup lines as replacement text.
|
|
std::string& replacement = this->Replace[this->ReplaceName];
|
|
const char* sep = "";
|
|
for(std::vector<std::string>::iterator i = this->MarkupLines.begin();
|
|
i != this->MarkupLines.end(); ++i)
|
|
{
|
|
replacement += sep;
|
|
replacement += *i;
|
|
sep = " ";
|
|
}
|
|
this->ReplaceName = "";
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::ProcessDirectiveTocTree()
|
|
{
|
|
// Process documents referenced by toctree directive.
|
|
for(std::vector<std::string>::iterator i = this->MarkupLines.begin();
|
|
i != this->MarkupLines.end(); ++i)
|
|
{
|
|
if(!i->empty() && i->find_first_of(":") == i->npos)
|
|
{
|
|
this->ProcessInclude(*i + ".rst", IncludeTocTree);
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmRST::UnindentLines(std::vector<std::string>& lines)
|
|
{
|
|
// Remove the common indentation from the second and later lines.
|
|
std::string indentText;
|
|
std::string::size_type indentEnd = 0;
|
|
bool first = true;
|
|
for(size_t i = 1; i < lines.size(); ++i)
|
|
{
|
|
std::string const& line = lines[i];
|
|
|
|
// Do not consider empty lines.
|
|
if(line.empty())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// Record indentation on first non-empty line.
|
|
if(first)
|
|
{
|
|
first = false;
|
|
indentEnd = line.find_first_not_of(" \t");
|
|
indentText = line.substr(0, indentEnd);
|
|
continue;
|
|
}
|
|
|
|
// Truncate indentation to match that on this line.
|
|
if(line.size() < indentEnd)
|
|
{
|
|
indentEnd = line.size();
|
|
}
|
|
for(std::string::size_type j = 0; j != indentEnd; ++j)
|
|
{
|
|
if(line[j] != indentText[j])
|
|
{
|
|
indentEnd = j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update second and later lines.
|
|
for(size_t i = 1; i < lines.size(); ++i)
|
|
{
|
|
std::string& line = lines[i];
|
|
if(!line.empty())
|
|
{
|
|
line = line.substr(indentEnd);
|
|
}
|
|
}
|
|
|
|
// Drop leading blank lines.
|
|
size_t leadingEmpty = 0;
|
|
for(size_t i = 0; i < lines.size() && lines[i].empty(); ++i)
|
|
{
|
|
++leadingEmpty;
|
|
}
|
|
lines.erase(lines.begin(), lines.begin()+leadingEmpty);
|
|
|
|
// Drop trailing blank lines.
|
|
size_t trailingEmpty = 0;
|
|
for(size_t i = lines.size(); i > 0 && lines[i-1].empty(); --i)
|
|
{
|
|
++trailingEmpty;
|
|
}
|
|
lines.erase(lines.end()-trailingEmpty, lines.end());
|
|
}
|