CMake/Source/cmDocumentation.h

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Simplify CMake per-source license notices Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
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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. */
#ifndef _cmDocumentation_h
#define _cmDocumentation_h
#include "cmConfigure.h"
#include "cmDocumentationFormatter.h"
#include <iosfwd>
#include <map>
#include <string>
#include <vector>
class cmDocumentationSection;
struct cmDocumentationEntry;
/** Class to generate documentation. */
class cmDocumentation : public cmDocumentationEnums
{
public:
cmDocumentation();
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~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
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* 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.
*/
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bool CheckOptions(int argc, const char* const* argv,
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const char* exitOpt = CM_NULLPTR);
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/**
* 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);
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/** Print help of the given type. */
bool PrintDocumentation(Type ht, std::ostream& os);
void SetShowGenerators(bool showGen) { this->ShowGenerators = showGen; }
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/** 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);
void SetSection(const char* sectionName,
std::vector<cmDocumentationEntry>& docs);
void SetSection(const char* sectionName, const char* docs[][2]);
void SetSections(std::map<std::string, cmDocumentationSection*>& sections);
/** Add the documentation to the beginning/end of the section */
void PrependSection(const char* sectionName, const char* docs[][2]);
void PrependSection(const char* sectionName,
std::vector<cmDocumentationEntry>& docs);
void PrependSection(const char* sectionName, cmDocumentationEntry& docs);
void AppendSection(const char* sectionName, const char* docs[][2]);
void AppendSection(const char* sectionName,
std::vector<cmDocumentationEntry>& 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 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 IsOption(const char* arg) const;
bool ShowGenerators;
std::string NameString;
std::map<std::string, cmDocumentationSection*> AllSections;
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std::string CurrentArgument;
struct RequestedHelpItem
{
RequestedHelpItem()
: HelpType(None)
{
}
cmDocumentationEnums::Type HelpType;
std::string Filename;
std::string Argument;
};
std::vector<RequestedHelpItem> RequestedHelpItems;
cmDocumentationFormatter Formatter;
static void WarnFormFromFilename(RequestedHelpItem& request, bool& result);
};
#endif