CMake/Source/cmDocumentationFormatterHTM...

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/*============================================================================
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 "cmDocumentationFormatterHTML.h"
#include "cmDocumentationSection.h"
#include "cmVersion.h"
//----------------------------------------------------------------------------
static bool cmDocumentationIsHyperlinkChar(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 cmDocumentationPrintHTMLChar(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;
case '\n':
os << "<br />";
break;
default:
os << c;
}
}
//----------------------------------------------------------------------------
bool cmDocumentationHTMLIsIdChar(char c)
{
// From the HTML specification:
// ID and NAME tokens must begin with a letter ([A-Za-z]) and may
// be followed by any number of letters, digits ([0-9]), hyphens
// ("-"), underscores ("_"), colons (":"), and periods (".").
return ((c >= 'A' && c <= 'Z') ||
(c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9') ||
c == '-' || c == '_' || c == ':' || c == '.');
}
//----------------------------------------------------------------------------
void cmDocumentationPrintHTMLId(std::ostream& os, const char* begin)
{
for(const char* c = begin; *c; ++c)
{
if(cmDocumentationHTMLIsIdChar(*c))
{
os << *c;
}
}
}
//----------------------------------------------------------------------------
const char* cmDocumentationPrintHTMLLink(std::ostream& os, const char* begin)
{
// Look for the end of the link.
const char* end = begin;
while(cmDocumentationIsHyperlinkChar(*end))
{
++end;
}
// Print the hyperlink itself.
os << "<a href=\"";
for(const char* c = begin; c != end; ++c)
{
cmDocumentationPrintHTMLChar(os, *c);
}
os << "\">";
// The name of the hyperlink is the text itself.
for(const char* c = begin; c != end; ++c)
{
cmDocumentationPrintHTMLChar(os, *c);
}
os << "</a>";
// Return the position at which to continue scanning the input
// string.
return end;
}
cmDocumentationFormatterHTML::cmDocumentationFormatterHTML()
:cmDocumentationFormatter()
{
}
void cmDocumentationFormatterHTML
::PrintSection(std::ostream& os,
const cmDocumentationSection &section,
const char* name)
{
std::string prefix = this->ComputeSectionLinkPrefix(name);
const std::vector<cmDocumentationEntry> &entries =
section.GetEntries();
// skip the index if the help for only a single item (--help-command,
// --help-policy, --help-property, --help-module) is printed
bool isSingleItemHelp = ((name!=0) && (strcmp(name, "SingleItem")==0));
if (!isSingleItemHelp)
{
if (name)
{
os << "<h2><a name=\"section_";
cmDocumentationPrintHTMLId(os, name);
os << "\"></a>" << name << "</h2>\n";
}
// Is a list needed?
for(std::vector<cmDocumentationEntry>::const_iterator op
= entries.begin(); op != entries.end(); ++ op )
{
if (op->Name.size())
{
os << "<ul>\n";
for(;op != entries.end() && op->Name.size(); ++op)
{
if(op->Name.size())
{
os << " <li><a href=\"#" << prefix << ":";
cmDocumentationPrintHTMLId(os, op->Name.c_str());
os << "\"><b><code>";
this->PrintHTMLEscapes(os, op->Name.c_str());
os << "</code></b></a></li>\n";
}
}
os << "</ul>\n" ;
break; // Skip outer loop termination test
}
}
}
for(std::vector<cmDocumentationEntry>::const_iterator op = entries.begin();
op != entries.end();)
{
if(op->Name.size())
{
os << "<ul>\n";
for(;op != entries.end() && op->Name.size(); ++op)
{
os << " <li>\n";
if(op->Name.size())
{
os << " <a name=\"" << prefix << ":";
cmDocumentationPrintHTMLId(os, op->Name.c_str());
os << "\"></a><b><code>";
this->PrintHTMLEscapes(os, op->Name.c_str());
os << "</code></b>: ";
}
this->PrintHTMLEscapes(os, op->Brief.c_str());
if(op->Full.size())
{
os << "<br />\n ";
this->PrintFormatted(os, op->Full.c_str());
}
os << "\n";
os << " </li>\n";
}
os << "</ul>\n";
}
else
{
this->PrintFormatted(os, op->Brief.c_str());
os << "\n";
++op;
}
}
}
void cmDocumentationFormatterHTML::PrintPreformatted(std::ostream& os,
const char* text)
{
os << "<pre>";
this->PrintHTMLEscapes(os, text);
os << "</pre>\n ";
}
void cmDocumentationFormatterHTML::PrintParagraph(std::ostream& os,
const char* text)
{
os << "<p>";
this->PrintHTMLEscapes(os, text);
os << "</p>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterHTML::PrintHeader(const char* docname,
const char* appname,
std::ostream& os)
{
os << "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
<< " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
os << "<html xmlns=\"http://www.w3.org/1999/xhtml\""
<< " xml:lang=\"en\" lang=\"en\">\n";
os << "<head><meta http-equiv=\"Content-Type\" "
<< "content=\"text/html;charset=utf-8\" /><title>";
os << docname << " - " << appname;
os << "</title></head><body>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterHTML::PrintFooter(std::ostream& os)
{
os << "</body></html>\n";
}
//----------------------------------------------------------------------------
void cmDocumentationFormatterHTML::PrintHTMLEscapes(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 = cmDocumentationPrintHTMLLink(os, p);
found_hyperlink = true;
}
}
// Print other characters normally.
if(!found_hyperlink)
{
cmDocumentationPrintHTMLChar(os, *p++);
}
}
}
void cmDocumentationFormatterHTML
::PrintIndex(std::ostream& os,
std::vector<const cmDocumentationSection *>& sections)
{
// skip the index if only the help for a single item is printed
if ((sections.size() == 1)
&& (sections[0]->GetName(this->GetForm()) != 0 )
&& (std::string(sections[0]->GetName(this->GetForm())) == "SingleItem"))
{
return;
}
os << "<h2><a name=\"section_Index\"></a>Master Index "
<< "CMake " << cmVersion::GetCMakeVersion()
<< "</h2>\n";
if (!sections.empty())
{
os << "<ul>\n";
for(unsigned int i=0; i < sections.size(); ++i)
{
std::string name = sections[i]->GetName((this->GetForm()));
os << " <li><a href=\"#section_";
cmDocumentationPrintHTMLId(os, name.c_str());
os << "\"><b>" << name << "</b></a></li>\n";
}
os << "</ul>\n";
}
}