Merge topic 'compat-help-custom-modules'
b177294
cmake: Implement placeholder --help-custom-modules compatibility
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commit
a0eb52c10c
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@ -138,6 +138,8 @@ bool cmDocumentation::PrintDocumentation(Type ht, std::ostream& os)
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return this->PrintHelpListPolicies(os);
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case cmDocumentation::Version:
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return this->PrintVersion(os);
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case cmDocumentation::OldCustomModules:
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return this->PrintOldCustomModules(os);
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default: return false;
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}
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}
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@ -336,8 +338,16 @@ bool cmDocumentation::CheckOptions(int argc, const char* const* argv,
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GET_OPT_ARGUMENT(help.Filename);
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cmSystemTools::Message(
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"Warning: --help-custom-modules no longer supported");
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if(help.Filename.empty())
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{
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return true;
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}
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// Avoid breaking old project builds completely by at least generating
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// the output file. Abuse help.Argument to give the file name to
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// PrintOldCustomModules without disrupting our internal API.
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help.HelpType = cmDocumentation::OldCustomModules;
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help.Argument = cmSystemTools::GetFilenameName(help.Filename);
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}
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else if(strcmp(argv[i], "--help-commands") == 0)
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{
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help.HelpType = cmDocumentation::OneManual;
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@ -864,3 +874,48 @@ bool cmDocumentation::IsOption(const char* arg) const
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return ((arg[0] == '-') || (strcmp(arg, "/V") == 0) ||
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(strcmp(arg, "/?") == 0));
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}
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//----------------------------------------------------------------------------
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bool cmDocumentation::PrintOldCustomModules(std::ostream& os)
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{
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// CheckOptions abuses the Argument field to give us the file name.
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std::string filename = this->CurrentArgument;
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std::string ext = cmSystemTools::UpperCase(
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cmSystemTools::GetFilenameLastExtension(filename));
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std::string name = cmSystemTools::GetFilenameWithoutLastExtension(filename);
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const char* summary = "cmake --help-custom-modules no longer supported\n";
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const char* detail =
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"CMake versions prior to 3.0 exposed their internal module help page\n"
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"generation functionality through the --help-custom-modules option.\n"
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"CMake versions 3.0 and above use other means to generate their module\n"
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"help pages so this functionality is no longer available to be exposed.\n"
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"\n"
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"This file was generated as a placeholder to provide this information.\n"
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;
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if((ext == ".HTM") || (ext == ".HTML"))
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{
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os << "<html><title>" << name << "</title><body>\n"
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<< summary << "<p/>\n" << detail << "</body></html>\n";
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}
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else if((ext.length()==2) && (ext[1] >='1') && (ext[1]<='9'))
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{
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os <<
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".TH " << name << " " << ext[1] << " \"" <<
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cmSystemTools::GetCurrentDateTime("%B %d, %Y") <<
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"\" \"cmake " << cmVersion::GetCMakeVersion() << "\"\n"
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".SH NAME\n"
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".PP\n" <<
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name << " \\- " << summary <<
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"\n"
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".SH DESCRIPTION\n"
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".PP\n" <<
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detail
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;
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}
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else
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{
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os << name << "\n\n" << summary << "\n" << detail;
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}
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return true;
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}
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@ -115,6 +115,7 @@ private:
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bool PrintHelpListVariables(std::ostream& os);
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bool PrintHelpListPolicies(std::ostream& os);
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bool PrintDocumentationUsage(std::ostream& os);
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bool PrintOldCustomModules(std::ostream& os);
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const char* GetNameString() const;
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bool IsOption(const char* arg) const;
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@ -28,7 +28,8 @@ public:
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{
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None, Version, Usage, ListManuals,
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ListCommands, ListModules, ListProperties, ListVariables, ListPolicies,
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OneManual, OneCommand, OneModule, OneProperty, OneVariable, OnePolicy
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OneManual, OneCommand, OneModule, OneProperty, OneVariable, OnePolicy,
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OldCustomModules
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};
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};
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