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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <iosfwd>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "cmDocumentationFormatter.h"
#include "cmDocumentationSection.h"
struct cmDocumentationEntry;
/** Class to generate documentation. */
class cmDocumentation
{
public:
/** Types of help provided. */
enum Type
{
None,
Version,
Usage,
Help,
Full,
ListManuals,
ListCommands,
ListModules,
ListProperties,
ListVariables,
ListPolicies,
ListGenerators,
OneArbitrary,
OneManual,
OneCommand,
OneModule,
OneProperty,
OneVariable,
OnePolicy,
OldCustomModules
};
cmDocumentation();
/**
* Check command line arguments for documentation options. Returns
* true if documentation options are found, and false otherwise.
* When true is returned, PrintRequestedDocumentation should be
* called. exitOpt can be used for things like cmake -E, so that
* all arguments after the -E are ignored and not searched for
* help arguments.
*/
bool CheckOptions(int argc, const char* const* argv,
const char* exitOpt = nullptr);
/**
* Print help requested on the command line. Call after
* CheckOptions returns true. Returns true on success, and false
* otherwise. Failure can occur when output files specified on the
* command line cannot be written.
*/
bool PrintRequestedDocumentation(std::ostream& os);
/** Print help of the given type. */
bool PrintDocumentation(Type ht, std::ostream& os);
void SetShowGenerators(bool showGen) { this->ShowGenerators = showGen; }
/** Set the program name for standard document generation. */
void SetName(const std::string& name);
/** Set a section of the documentation. Typical sections include Name,
Usage, Description, Options */
void SetSection(const char* sectionName, cmDocumentationSection section);
template <typename Iterable>
void SetSection(const char* sectionName, const Iterable& docs)
{
cmDocumentationSection sec{ sectionName };
sec.Append(docs);
this->SetSection(sectionName, std::move(sec));
}
/** Add the documentation to the beginning/end of the section */
template <typename Iterable>
void PrependSection(const char* sectionName, const Iterable& docs)
{
this->SectionAtName(sectionName).Prepend(docs);
}
void PrependSection(const char* sectionName, cmDocumentationEntry& docs);
template <typename Iterable>
void AppendSection(const char* sectionName, const Iterable& docs)
{
this->SectionAtName(sectionName).Append(docs);
}
void AppendSection(const char* sectionName, cmDocumentationEntry& docs);
/** Add common (to all tools) documentation section(s) */
void addCommonStandardDocSections();
/** Add the CMake standard documentation section(s) */
void addCMakeStandardDocSections();
/** Add the CTest standard documentation section(s) */
void addCTestStandardDocSections();
/** Add the CPack standard documentation section(s) */
void addCPackStandardDocSections();
private:
void GlobHelp(std::vector<std::string>& files, std::string const& pattern);
void PrintNames(std::ostream& os, std::string const& pattern);
bool PrintFiles(std::ostream& os, std::string const& pattern);
bool PrintVersion(std::ostream& os);
bool PrintUsage(std::ostream& os);
bool PrintHelp(std::ostream& os);
bool PrintHelpFull(std::ostream& os);
bool PrintHelpOneArbitrary(std::ostream& os);
bool PrintHelpOneManual(std::ostream& os);
bool PrintHelpOneCommand(std::ostream& os);
bool PrintHelpOneModule(std::ostream& os);
bool PrintHelpOnePolicy(std::ostream& os);
bool PrintHelpOneProperty(std::ostream& os);
bool PrintHelpOneVariable(std::ostream& os);
bool PrintHelpListManuals(std::ostream& os);
bool PrintHelpListCommands(std::ostream& os);
bool PrintHelpListModules(std::ostream& os);
bool PrintHelpListProperties(std::ostream& os);
bool PrintHelpListVariables(std::ostream& os);
bool PrintHelpListPolicies(std::ostream& os);
bool PrintHelpListGenerators(std::ostream& os);
bool PrintOldCustomModules(std::ostream& os);
const char* GetNameString() const;
bool ShowGenerators;
std::string NameString;
std::map<std::string, cmDocumentationSection> AllSections;
cmDocumentationSection& SectionAtName(const char* name);
std::string CurrentArgument;
struct RequestedHelpItem
{
Type HelpType = None;
std::string Filename;
std::string Argument;
};
std::vector<RequestedHelpItem> RequestedHelpItems;
cmDocumentationFormatter Formatter;
static void WarnFormFromFilename(RequestedHelpItem& request, bool& result);
static std::string GeneralizeKeyword(std::string word);
};
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