CMake/Source/cmDocumentationFormatterDoc...

255 lines
7.2 KiB
C++
Raw Normal View History

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 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 "cmDocumentationFormatterDocbook.h"
#include "cmDocumentationSection.h"
#include <algorithm>
#include <ctype.h> // for isalnum
static int cmIsAlnum(int c)
{
return isalnum(c);
}
//----------------------------------------------------------------------------
// this function is a copy of the one in the HTML formatter
// the three functions below are slightly modified copies
static bool cmDocumentationIsHyperlinkCharDocbook(char c)
{
// This is not a complete list but works for CMake documentation.
return ((c >= 'A' && c <= 'Z') ||
(c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9') ||
c == '-' || c == '.' || c == '/' || c == '~' || c == '@' ||
c == ':' || c == '_' || c == '&' || c == '?' || c == '=');
}
//----------------------------------------------------------------------------
static void cmDocumentationPrintDocbookChar(std::ostream& os, char c)
{
// Use an escape sequence if necessary.
switch(c)
{
case '<':
os << "&lt;";
break;
case '>':
os << "&gt;";
break;
case '&':
os << "&amp;";
break;
default:
os << c;
}
}
//----------------------------------------------------------------------------
const char* cmDocumentationPrintDocbookLink(std::ostream& os,const char* begin)
{
// Look for the end of the link.
const char* end = begin;
while(cmDocumentationIsHyperlinkCharDocbook(*end))
{
++end;
}
// Print the hyperlink itself.
os << "<ulink url=\"";
for(const char* c = begin; c != end; ++c)
{
cmDocumentationPrintDocbookChar(os, *c);
}
os << "\" />";
return end;
}
//----------------------------------------------------------------------------
void cmDocumentationPrintDocbookEscapes(std::ostream& os, const char* text)
{
// Hyperlink prefixes.
static const char* hyperlinks[] = {"http://", "ftp://", "mailto:", 0};
// Print each character.
for(const char* p = text; *p;)
{
// Handle hyperlinks specially to make them active.
bool found_hyperlink = false;
for(const char** h = hyperlinks; !found_hyperlink && *h; ++h)
{
if(strncmp(p, *h, strlen(*h)) == 0)
{
p = cmDocumentationPrintDocbookLink(os, p);
found_hyperlink = true;
}
}
// Print other characters normally.
if(!found_hyperlink)
{
cmDocumentationPrintDocbookChar(os, *p++);
}
}
}
//----------------------------------------------------------------------------
cmDocumentationFormatterDocbook::cmDocumentationFormatterDocbook()
:cmDocumentationFormatter()
{
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook
::PrintSection(std::ostream& os,
const cmDocumentationSection &section,
const char* name)
{
os << "<sect1 id=\"";
this->PrintId(os, 0, name);
os << "\">\n<title>" << name << "</title>\n";
std::string prefix = this->ComputeSectionLinkPrefix(name);
const std::vector<cmDocumentationEntry> &entries = section.GetEntries();
bool hasSubSections = false;
for(std::vector<cmDocumentationEntry>::const_iterator op = entries.begin();
op != entries.end(); ++op)
{
if(op->Name.size())
{
hasSubSections = true;
break;
}
}
bool inAbstract = false;
for(std::vector<cmDocumentationEntry>::const_iterator op = entries.begin();
op != entries.end(); ++op)
{
if(op->Name.size())
{
if(inAbstract)
{
os << "</abstract>\n";
inAbstract = false;
}
os << "<sect2 id=\"";
this->PrintId(os, prefix.c_str(), op->Name);
os << "\">\n<title>";
cmDocumentationPrintDocbookEscapes(os, op->Name.c_str());
os << "</title>\n";
if(op->Full.size())
{
os << "<abstract>\n<para>";
cmDocumentationPrintDocbookEscapes(os, op->Brief.c_str());
os << "</para>\n</abstract>\n";
this->PrintFormatted(os, op->Full.c_str());
}
else
{
this->PrintFormatted(os, op->Brief.c_str());
}
os << "</sect2>\n";
}
else
{
if(hasSubSections && op == entries.begin())
{
os << "<abstract>\n";
inAbstract = true;
}
this->PrintFormatted(os, op->Brief.c_str());
}
}
// empty sections are not allowed in docbook.
if(entries.empty())
{
os << "<para/>\n";
}
os << "</sect1>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook
::PrintPreformatted(std::ostream& os, const char* text)
{
os << "<para>\n<programlisting>";
cmDocumentationPrintDocbookEscapes(os, text);
os << "</programlisting>\n</para>\n";
}
void cmDocumentationFormatterDocbook
::PrintParagraph(std::ostream& os, const char* text)
{
os << "<para>";
cmDocumentationPrintDocbookEscapes(os, text);
os << "</para>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook
::PrintHeader(const char* docname, const char* appname, std::ostream& os)
{
this->Docname = docname;
// this one is used to ensure that we don't create multiple link targets
// with the same name. We can clear it here since we are at the
// start of a document here.
this->EmittedLinkIds.clear();
os << "<?xml version=\"1.0\" ?>\n"
"<!DOCTYPE article PUBLIC \"-//OASIS//DTD DocBook V4.5//EN\" "
"\"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd\" [\n"
"<!ENTITY % addindex \"IGNORE\">\n"
"<!ENTITY % English \"INCLUDE\"> ]>\n"
"<article>\n"
"<articleinfo>\n"
"<title>" << docname << " - " << appname << "</title>\n"
"</articleinfo>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook::PrintFooter(std::ostream& os)
{
os << "</article>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook
::PrintId(std::ostream& os, const char* prefix, std::string id)
{
std::replace_if(id.begin(), id.end(),
std::not1(std::ptr_fun(cmIsAlnum)), '_');
if(prefix)
{
id = std::string(prefix) + "." + id;
}
os << this->Docname << '.' << id;
// make sure that each id exists only once. Since it seems
// not easily possible to determine which link refers to which id,
// we have at least to make sure that the duplicated id's get a
// different name (by appending an increasing number), Alex
if (this->EmittedLinkIds.find(id) == this->EmittedLinkIds.end())
{
this->EmittedLinkIds.insert(id);
}
else
{
static unsigned int i=0;
os << i++;
}
}