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CMake/Source/cmDocumentation.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmDocumentation.h"
#include "cmSystemTools.h"
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationStandardOptions[] =
{
{"--copyright", "Print the CMake copyright and exit.", 0},
{"--help", "Print usage information and exit.",
"Usage describes the basic command line interface and its options."},
{"--help-full", "Print full help and exit.",
"Full help displays most of the documentation provided by the UNIX "
"man page. It is provided for use on non-UNIX platforms, but is "
"also convenient if the man page is not installed."},
{"--help-html", "Print full help in HTML format.",
"This option is used by CMake authors to help produce web pages."},
{"--help-man", "Print a UNIX man page and exit.",
"This option is used by CMake authors to generate the UNIX man page."},
{"--version", "Show program name/version banner and exit.", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationCommandsHeader[] =
{
{0,
"The following commands are available in CMakeLists.txt code:", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationGeneratorsHeader[] =
{
{0,
"The following generators are available on this platform:", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
const cmDocumentationEntry cmDocumentationMailingList[] =
{
{0,
"For help and discussion about using cmake, a mailing list is provided "
"at cmake@www.cmake.org. Please first read the full documentation at "
"http://www.cmake.org before posting questions to the list.", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
const cmDocumentationEntry cmDocumentationAuthor[] =
{
{0,
"This manual page was generated by \"cmake --help-man\".", 0},
{0,0,0}
};
//----------------------------------------------------------------------------
const cmDocumentationEntry cmDocumentationCopyright[] =
{
{0,
"Copyright (c) 2002 Kitware, Inc., Insight Consortium. "
"All rights reserved.", 0},
{0,
"Redistribution and use in source and binary forms, with or without "
"modification, are permitted provided that the following conditions are "
"met:", 0},
{"",
"Redistributions of source code must retain the above copyright notice, "
"this list of conditions and the following disclaimer.", 0},
{"",
"Redistributions in binary form must reproduce the above copyright "
"notice, this list of conditions and the following disclaimer in the "
"documentation and/or other materials provided with the distribution.",
0},
{"",
"The names of Kitware, Inc., the Insight Consortium, or the names of "
"any consortium members, or of any contributors, may not be used to "
"endorse or promote products derived from this software without "
"specific prior written permission.", 0},
{"",
"Modified source versions must be plainly marked as such, and must "
"not be misrepresented as being the original software.", 0},
{0,
"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "
"``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT "
"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR "
"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR "
"CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, "
"EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, "
"PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR "
"PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF "
"LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING "
"NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS "
"SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.", 0},
{0, 0, 0}
};
//----------------------------------------------------------------------------
cmDocumentation::cmDocumentation()
{
this->CurrentForm = TextForm;
this->TextIndent = "";
this->TextWidth = 77;
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintCopyright(std::ostream& os)
{
os << "CMake version " CMake_VERSION_FULL "\n";
for(const cmDocumentationEntry* op = cmDocumentationCopyright;
op->brief; ++op)
{
if(op->name)
{
os << " * ";
this->TextIndent = " ";
this->PrintColumn(os, op->brief);
}
else
{
this->TextIndent = "";
this->PrintColumn(os, op->brief);
}
os << "\n";
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintVersion(std::ostream& os)
{
os << "CMake version " CMake_VERSION_FULL "\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::AddSection(const char* name,
const cmDocumentationEntry* d)
{
this->Names.push_back(name);
this->Sections.push_back(d);
}
//----------------------------------------------------------------------------
void cmDocumentation::ClearSections()
{
this->Names.erase(this->Names.begin(), this->Names.end());
this->Sections.erase(this->Sections.begin(), this->Sections.end());
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintDocumentation(Type ht, std::ostream& os)
{
switch (ht)
{
case cmDocumentation::Usage: this->PrintDocumentationUsage(os); break;
case cmDocumentation::Full: this->PrintDocumentationFull(os); break;
case cmDocumentation::HTML: this->PrintDocumentationHTML(os); break;
case cmDocumentation::Man: this->PrintDocumentationMan(os); break;
case cmDocumentation::Copyright: this->PrintCopyright(os); break;
case cmDocumentation::Version: this->PrintVersion(os); break;
default: break;
}
}
//----------------------------------------------------------------------------
bool cmDocumentation::PrintRequestedDocumentation(std::ostream& os)
{
bool result = true;
// Loop over requested documentation types.
for(RequestedMapType::const_iterator i = this->RequestedMap.begin();
i != this->RequestedMap.end(); ++i)
{
// If a file name was given, use it. Otherwise, default to the
// given stream.
std::ofstream* fout = 0;
std::ostream* s = &os;
if(i->second.length() > 0)
{
#ifdef _WIN32
fout = new ofstream(i->second.c_str(), ios::out | ios::binary);
#else
fout = new ofstream(i->second.c_str(), ios::out);
#endif
if(fout)
{
s = fout;
}
else
{
result = false;
}
}
// Print this documentation type to the stream.
this->PrintDocumentation(i->first, *s);
// Check for error.
if(!*s)
{
result = false;
}
// Close the file if we wrote one.
if(fout)
{
delete fout;
}
}
return result;
}
//----------------------------------------------------------------------------
bool cmDocumentation::CheckOptions(int argc, char** argv)
{
// Providing zero arguments gives usage information.
if(argc == 1)
{
this->RequestedMap[cmDocumentation::Usage] = "";
return true;
}
// Search for supported help options.
bool result = false;
for(int i=1; i < argc; ++i)
{
// Check if this is a supported help option.
Type type = cmDocumentation::None;
if((strcmp(argv[i], "-help") == 0) ||
(strcmp(argv[i], "--help") == 0) ||
(strcmp(argv[i], "/?") == 0) ||
(strcmp(argv[i], "-usage") == 0) ||
(strcmp(argv[i], "-h") == 0) ||
(strcmp(argv[i], "-H") == 0))
{
type = cmDocumentation::Usage;
}
else if(strcmp(argv[i], "--help-full") == 0)
{
type = cmDocumentation::Full;
}
else if(strcmp(argv[i], "--help-html") == 0)
{
type = cmDocumentation::HTML;
}
else if(strcmp(argv[i], "--help-man") == 0)
{
type = cmDocumentation::Man;
}
else if(strcmp(argv[i], "--copyright") == 0)
{
type = cmDocumentation::Copyright;
}
else if((strcmp(argv[i], "--version") == 0) ||
(strcmp(argv[i], "-version") == 0) ||
(strcmp(argv[i], "-V") == 0) ||
(strcmp(argv[i], "/V") == 0))
{
type = cmDocumentation::Version;
}
if(type)
{
// This is a help option. See if there is a file name given.
result = true;
if((i+1 < argc) && (argv[i+1][0] != '-') &&
(strcmp(argv[i+1], "/V") != 0) && (strcmp(argv[i+1], "/?") != 0))
{
this->RequestedMap[type] = argv[i+1];
i = i+1;
}
else
{
this->RequestedMap[type] = "";
}
}
}
return result;
}
//----------------------------------------------------------------------------
void cmDocumentation::Print(Form f, std::ostream& os)
{
this->CurrentForm = f;
for(unsigned int i=0; i < this->Sections.size(); ++i)
{
this->PrintSection(os, this->Sections[i], this->Names[i]);
}
}
//----------------------------------------------------------------------------
void cmDocumentation::SetNameSection(const cmDocumentationEntry* section)
{
this->SetSection(0, section, 0, this->NameSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetUsageSection(const cmDocumentationEntry* section)
{
this->SetSection(0, section, 0, this->UsageSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetDescriptionSection(const cmDocumentationEntry* section)
{
this->SetSection(0, section, 0, this->DescriptionSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetOptionsSection(const cmDocumentationEntry* section)
{
this->SetSection(0, section, cmDocumentationStandardOptions,
this->OptionsSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetCommandsSection(const cmDocumentationEntry* section)
{
this->SetSection(cmDocumentationCommandsHeader, section, 0,
this->CommandsSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetGeneratorsSection(const cmDocumentationEntry* section)
{
this->SetSection(cmDocumentationGeneratorsHeader, section, 0,
this->GeneratorsSection);
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintSection(std::ostream& os,
const cmDocumentationEntry* section,
const char* name)
{
switch (this->CurrentForm)
{
case TextForm: this->PrintSectionText(os, section, name); break;
case HTMLForm: this->PrintSectionHTML(os, section, name); break;
case ManForm: this->PrintSectionMan(os, section, name); break;
case UsageForm: this->PrintSectionUsage(os, section, name); break;
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintSectionText(std::ostream& os,
const cmDocumentationEntry* section,
const char* name)
{
if(name)
{
os << name << "\n\n";
}
if(!section) { return; }
for(const cmDocumentationEntry* op = section; op->brief; ++op)
{
if(op->name)
{
if(op->name[0])
{
os << " " << op->name << "\n";
}
this->TextIndent = " ";
this->PrintFormatted(os, op->brief);
if(op->full)
{
os << "\n";
this->PrintFormatted(os, op->full);
}
}
else
{
this->TextIndent = "";
this->PrintFormatted(os, op->brief);
}
os << "\n";
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintSectionHTML(std::ostream& os,
const cmDocumentationEntry* section,
const char* name)
{
if(name)
{
os << "<h2>" << name << "</h2>\n";
}
if(!section) { return; }
for(const cmDocumentationEntry* op = section; op->brief;)
{
if(op->name)
{
os << "<ul>\n";
for(;op->name;++op)
{
os << " <li>\n";
if(op->name[0])
{
os << " <b><code>";
this->PrintHTMLEscapes(os, op->name);
os << "</code></b>: ";
}
this->PrintHTMLEscapes(os, op->brief);
if(op->full)
{
os << "<br>\n ";
this->PrintFormatted(os, op->full);
}
os << "\n";
os << " </li>\n";
}
os << "</ul>\n";
}
else
{
this->PrintFormatted(os, op->brief);
os << "\n";
++op;
}
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintSectionMan(std::ostream& os,
const cmDocumentationEntry* section,
const char* name)
{
if(name)
{
os << ".SH " << name << "\n";
}
if(!section) { return; }
for(const cmDocumentationEntry* op = section; op->brief; ++op)
{
if(op->name)
{
os << ".TP\n"
<< ".B " << (op->name[0]?op->name:"*") << "\n";
this->PrintFormatted(os, op->brief);
this->PrintFormatted(os, op->full);
}
else
{
os << ".PP\n";
this->PrintFormatted(os, op->brief);
}
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintSectionUsage(std::ostream& os,
const cmDocumentationEntry* section,
const char* name)
{
if(name)
{
os << name << "\n";
}
if(!section) { return; }
for(const cmDocumentationEntry* op = section; op->brief; ++op)
{
if(op->name)
{
os << " " << op->name;
this->TextIndent = " ";
int align = static_cast<int>(strlen(this->TextIndent))-4;
for(int i = static_cast<int>(strlen(op->name)); i < align; ++i)
{
os << " ";
}
os << "= ";
this->PrintColumn(os, op->brief);
os << "\n";
}
else
{
os << "\n";
this->TextIndent = "";
this->PrintFormatted(os, op->brief);
}
}
os << "\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintFormatted(std::ostream& os, const char* text)
{
if(!text)
{
return;
}
const char* ptr = text;
while(*ptr)
{
// Any ptrs starting in a space are treated as preformatted text.
std::string preformatted;
while(*ptr == ' ')
{
for(char ch = *ptr; ch && ch != '\n'; ++ptr, ch = *ptr)
{
preformatted.append(1, ch);
}
if(*ptr)
{
++ptr;
preformatted.append(1, '\n');
}
}
if(preformatted.length())
{
this->PrintPreformatted(os, preformatted.c_str());
}
// Other ptrs are treated as paragraphs.
std::string paragraph;
for(char ch = *ptr; ch && ch != '\n'; ++ptr, ch = *ptr)
{
paragraph.append(1, ch);
}
if(*ptr)
{
++ptr;
paragraph.append(1, '\n');
}
if(paragraph.length())
{
this->PrintParagraph(os, paragraph.c_str());
}
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintPreformatted(std::ostream& os, const char* text)
{
switch (this->CurrentForm)
{
case TextForm: this->PrintPreformattedText(os, text); break;
case HTMLForm: this->PrintPreformattedHTML(os, text); break;
case ManForm: this->PrintPreformattedMan(os, text); break;
case UsageForm: this->PrintPreformattedText(os, text); break;
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintParagraph(std::ostream& os, const char* text)
{
switch (this->CurrentForm)
{
case TextForm: this->PrintParagraphText(os, text); break;
case HTMLForm: this->PrintParagraphHTML(os, text); break;
case ManForm: this->PrintParagraphMan(os, text); break;
case UsageForm: this->PrintParagraphText(os, text); break;
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintPreformattedText(std::ostream& os, const char* text)
{
bool newline = true;
for(const char* ptr = text; *ptr; ++ptr)
{
if(newline)
{
os << this->TextIndent;
newline = false;
}
os << *ptr;
if(*ptr == '\n')
{
newline = true;
}
}
os << "\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintParagraphText(std::ostream& os, const char* text)
{
os << this->TextIndent;
this->PrintColumn(os, text);
os << "\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintPreformattedHTML(std::ostream& os, const char* text)
{
os << "<pre>";
this->PrintHTMLEscapes(os, text);
os << "</pre>\n ";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintParagraphHTML(std::ostream& os, const char* text)
{
os << "<p>";
this->PrintHTMLEscapes(os, text);
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintPreformattedMan(std::ostream& os, const char* text)
{
os << text << "\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintParagraphMan(std::ostream& os, const char* text)
{
os << text << "\n\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintColumn(std::ostream& os, const char* text)
{
// Print text arranged in an indented column of fixed witdh.
const char* l = text;
int column = 0;
bool newSentence = false;
bool firstLine = true;
int width = this->TextWidth - static_cast<int>(strlen(this->TextIndent));
// Loop until the end of the text.
while(*l)
{
// Parse the next word.
const char* r = l;
while(*r && (*r != '\n') && (*r != ' ')) { ++r; }
// Does it fit on this line?
if(r-l < (width-column-(newSentence?1:0)))
{
// Word fits on this line.
if(r > l)
{
if(column)
{
// Not first word on line. Separate from the previous word
// by a space, or two if this is a new sentence.
if(newSentence)
{
os << " ";
column += 2;
}
else
{
os << " ";
column += 1;
}
}
else
{
// First word on line. Print indentation unless this is the
// first line.
os << (firstLine?"":this->TextIndent);
}
// Print the word.
os.write(l, static_cast<long>(r-l));
newSentence = (*(r-1) == '.');
}
if(*r == '\n')
{
// Text provided a newline. Start a new line.
os << "\n";
++r;
column = 0;
firstLine = false;
}
else
{
// No provided newline. Continue this line.
column += static_cast<long>(r-l);
}
}
else
{
// Word does not fit on this line. Start a new line.
os << "\n";
firstLine = false;
if(r > l)
{
os << this->TextIndent;
os.write(l, static_cast<long>(r-l));
column = static_cast<long>(r-l);
newSentence = (*(r-1) == '.');
}
}
// Move to beginning of next word. Skip over whitespace.
l = r;
while(*l && (*l == ' ')) { ++l; }
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintHTMLEscapes(std::ostream& os, const char* text)
{
static cmDocumentationEntry escapes[] =
{
{"<", "&lt;", 0},
{">", "&gt;", 0},
{"&", "&amp;", 0},
{"\n", "<br>", 0},
{0,0,0}
};
for(const char* p = text; *p; ++p)
{
bool found = false;
for(const cmDocumentationEntry* op = escapes; !found && op->name; ++op)
{
if(op->name[0] == *p)
{
os << op->brief;
found = true;
}
}
if(!found)
{
os << *p;
}
}
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintDocumentationUsage(std::ostream& os)
{
this->CreateUsageDocumentation();
this->Print(UsageForm, os);
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintDocumentationFull(std::ostream& os)
{
this->CreateFullDocumentation();
this->Print(TextForm, os);
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintDocumentationHTML(std::ostream& os)
{
this->CreateFullDocumentation();
os << "<html><body>\n";
this->Print(HTMLForm, os);
os << "</body></html>\n";
}
//----------------------------------------------------------------------------
void cmDocumentation::PrintDocumentationMan(std::ostream& os)
{
this->CreateManDocumentation();
os << ".TH CMake 1 \""
<< cmSystemTools::GetCurrentDateTime("%B %d, %Y").c_str()
<< "\" \"CMake " CMake_VERSION_FULL "\"\n";
this->Print(ManForm, os);
}
//----------------------------------------------------------------------------
void cmDocumentation::CreateUsageDocumentation()
{
this->ClearSections();
if(!this->NameSection.empty())
{
this->AddSection("Name", &this->NameSection[0]);
}
if(!this->UsageSection.empty())
{
this->AddSection("Usage", &this->UsageSection[0]);
}
if(!this->OptionsSection.empty())
{
this->AddSection("Command-Line Options", &this->OptionsSection[0]);
}
}
//----------------------------------------------------------------------------
void cmDocumentation::CreateFullDocumentation()
{
this->ClearSections();
if(!this->NameSection.empty())
{
this->AddSection("Name", &this->NameSection[0]);
}
if(!this->UsageSection.empty())
{
this->AddSection("Usage", &this->UsageSection[0]);
}
if(!this->DescriptionSection.empty())
{
this->AddSection(0, &this->DescriptionSection[0]);
}
if(!this->GeneratorsSection.empty())
{
this->AddSection("Generators", &this->GeneratorsSection[0]);
}
if(!this->OptionsSection.empty())
{
this->AddSection("Command-Line Options", &this->OptionsSection[0]);
}
if(!this->CommandsSection.empty())
{
this->AddSection("Listfile Commands", &this->CommandsSection[0]);
}
this->AddSection("Copyright", cmDocumentationCopyright);
this->AddSection("Mailing List", cmDocumentationMailingList);
}
//----------------------------------------------------------------------------
void cmDocumentation::CreateManDocumentation()
{
this->ClearSections();
if(!this->NameSection.empty())
{
this->AddSection("NAME", &this->NameSection[0]);
}
if(!this->UsageSection.empty())
{
this->AddSection("SYNOPSIS", &this->UsageSection[0]);
}
if(!this->DescriptionSection.empty())
{
this->AddSection("DESCRIPTION", &this->DescriptionSection[0]);
}
if(!this->GeneratorsSection.empty())
{
this->AddSection("GENERATORS", &this->GeneratorsSection[0]);
}
if(!this->OptionsSection.empty())
{
this->AddSection("OPTIONS", &this->OptionsSection[0]);
}
if(!this->CommandsSection.empty())
{
this->AddSection("COMMANDS", &this->CommandsSection[0]);
}
this->AddSection("COPYRIGHT", cmDocumentationCopyright);
this->AddSection("MAILING LIST", cmDocumentationMailingList);
this->AddSection("AUTHOR", cmDocumentationAuthor);
}
//----------------------------------------------------------------------------
void cmDocumentation::SetSection(const cmDocumentationEntry* header,
const cmDocumentationEntry* section,
const cmDocumentationEntry* footer,
std::vector<cmDocumentationEntry>& vec)
{
vec.erase(vec.begin(), vec.end());
if(header)
{
for(const cmDocumentationEntry* op = header; op->brief; ++op)
{
vec.push_back(*op);
}
}
if(section)
{
for(const cmDocumentationEntry* op = section; op->brief; ++op)
{
vec.push_back(*op);
}
}
if(footer)
{
for(const cmDocumentationEntry* op = footer; op->brief; ++op)
{
vec.push_back(*op);
}
}
cmDocumentationEntry empty = {0,0,0};
vec.push_back(empty);
}
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