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Merge topic 'compat-help-custom-modules' 

b177294 cmake: Implement placeholder --help-custom-modules compatibility
This commit is contained in:
Brad King 2014-01-09 09:37:22 -05:00 committed by CMake Topic Stage
parent 15562c11ef b17729460b
commit a0eb52c10c
3 changed files with 59 additions and 2 deletions
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57
Source/cmDocumentation.cxx
View File

@ -138,6 +138,8 @@ bool cmDocumentation::PrintDocumentation(Type ht, std::ostream& os)
return this->PrintHelpListPolicies(os);
case cmDocumentation::Version:
return this->PrintVersion(os);
case cmDocumentation::OldCustomModules:
return this->PrintOldCustomModules(os);
default: return false;
}
}
@ -336,7 +338,15 @@ bool cmDocumentation::CheckOptions(int argc, const char* const* argv,
GET_OPT_ARGUMENT(help.Filename);
cmSystemTools::Message(
"Warning: --help-custom-modules no longer supported");
return true;
if(help.Filename.empty())
{
return true;
}
// Avoid breaking old project builds completely by at least generating
// the output file. Abuse help.Argument to give the file name to
// PrintOldCustomModules without disrupting our internal API.
help.HelpType = cmDocumentation::OldCustomModules;
help.Argument = cmSystemTools::GetFilenameName(help.Filename);
}
else if(strcmp(argv[i], "--help-commands") == 0)
{
@ -864,3 +874,48 @@ bool cmDocumentation::IsOption(const char* arg) const
return ((arg[0] == '-') || (strcmp(arg, "/V") == 0) ||
(strcmp(arg, "/?") == 0));
}
//----------------------------------------------------------------------------
bool cmDocumentation::PrintOldCustomModules(std::ostream& os)
{
// CheckOptions abuses the Argument field to give us the file name.
std::string filename = this->CurrentArgument;
std::string ext = cmSystemTools::UpperCase(
cmSystemTools::GetFilenameLastExtension(filename));
std::string name = cmSystemTools::GetFilenameWithoutLastExtension(filename);
const char* summary = "cmake --help-custom-modules no longer supported\n";
const char* detail =
"CMake versions prior to 3.0 exposed their internal module help page\n"
"generation functionality through the --help-custom-modules option.\n"
"CMake versions 3.0 and above use other means to generate their module\n"
"help pages so this functionality is no longer available to be exposed.\n"
"\n"
"This file was generated as a placeholder to provide this information.\n"
;
if((ext == ".HTM") || (ext == ".HTML"))
{
os << "<html><title>" << name << "</title><body>\n"
<< summary << "<p/>\n" << detail << "</body></html>\n";
}
else if((ext.length()==2) && (ext[1] >='1') && (ext[1]<='9'))
{
os <<
".TH " << name << " " << ext[1] << " \"" <<
cmSystemTools::GetCurrentDateTime("%B %d, %Y") <<
"\" \"cmake " << cmVersion::GetCMakeVersion() << "\"\n"
".SH NAME\n"
".PP\n" <<
name << " \\- " << summary <<
"\n"
".SH DESCRIPTION\n"
".PP\n" <<
detail
;
}
else
{
os << name << "\n\n" << summary << "\n" << detail;
}
return true;
}

1
Source/cmDocumentation.h
View File

@ -115,6 +115,7 @@ private:
bool PrintHelpListVariables(std::ostream& os);
bool PrintHelpListPolicies(std::ostream& os);
bool PrintDocumentationUsage(std::ostream& os);
bool PrintOldCustomModules(std::ostream& os);
const char* GetNameString() const;
bool IsOption(const char* arg) const;

3
Source/cmDocumentationFormatter.h
View File

@ -28,7 +28,8 @@ public:
{
None, Version, Usage, ListManuals,
ListCommands, ListModules, ListProperties, ListVariables, ListPolicies,
OneManual, OneCommand, OneModule, OneProperty, OneVariable, OnePolicy
OneManual, OneCommand, OneModule, OneProperty, OneVariable, OnePolicy,
OldCustomModules
};
};