summaryrefslogtreecommitdiffstats
path: root/Source/cmDocumentation.h
blob: e180f60f5b69936d35585e7a8a47b09c9c648632 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#ifndef _cmDocumentation_h
#define _cmDocumentation_h

#include "cmStandardIncludes.h"
#include "cmProperty.h"
#include "cmDocumentationFormatter.h"
#include "cmDocumentationFormatterHTML.h"
#include "cmDocumentationFormatterDocbook.h"
#include "cmDocumentationFormatterMan.h"
#include "cmDocumentationFormatterText.h"
#include "cmDocumentationFormatterUsage.h"
#include "cmDocumentationSection.h"
#include "cmake.h"

namespace cmsys
{
  class Directory;
}

/** Class to generate documentation.  */
class cmDocumentation: public cmDocumentationEnums
{
public:
  cmDocumentation();

  ~cmDocumentation();

  /**
   * An helper type pair for [structured] documented modules.
   * The comment of those module contains structure markup
   * which makes it possible to retrieve the documentation
   * of variables, macros and functions defined in the module.
   * - first is the filename of the module
   * - second is the section of the doc the module belongs too
   */
  typedef std::pair<std::string,std::string> documentedModuleSectionPair_t;
  /**
   * A list of documented module(s).
   */
  typedef std::list<documentedModuleSectionPair_t>  documentedModulesList_t;

  // High-level interface for standard documents:

  /**
   * 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 =0);

  /**
   * 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, const char* docname=0);

  void SetShowGenerators(bool showGen) { this->ShowGenerators = showGen; }

  /** Set the program name for standard document generation.  */
  void SetName(const char* name);

  /** Set a section of the documentation. Typical sections include Name,
      Usage, Description, Options, SeeAlso */
  void SetSection(const char *sectionName,
                  cmDocumentationSection *section);
  void SetSection(const char *sectionName,
                  std::vector<cmDocumentationEntry> &docs);
  void SetSection(const char *sectionName,
                  const char *docs[][3]);
  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[][3]);
  void PrependSection(const char *sectionName,
                      std::vector<cmDocumentationEntry> &docs);
  void PrependSection(const char *sectionName,
                      cmDocumentationEntry &docs);
  void AppendSection(const char *sectionName,
                     const char *docs[][3]);
  void AppendSection(const char *sectionName,
                     std::vector<cmDocumentationEntry> &docs);
  void AppendSection(const char *sectionName,
                     cmDocumentationEntry &docs);

  /**
   * Print documentation in the given form.  All previously added
   * sections will be generated.
   */
  void Print(Form f, int manSection, std::ostream& os);

  /**
   * Print documentation in the current form.  All previously added
   * sections will be generated.
   */
  void Print(std::ostream& os);

  /**
   * Add a section of documentation. This can be used to generate custom help
   * documents.
   */
  void AddSectionToPrint(const char *section);

  void SetSeeAlsoList(const char *data[][3]);

  /** Clear all previously added sections of help.  */
  void ClearSections();

  /** Set cmake root so we can find installed files */
  void SetCMakeRoot(const char* root)  { this->CMakeRoot = root;}

  /** Set CMAKE_MODULE_PATH so we can find additional cmake modules */
  void SetCMakeModulePath(const char* path)  { this->CMakeModulePath = path;}

  static Form GetFormFromFilename(const std::string& filename,
                                  int* ManSection);

  /** 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();

  /** Add automatic variables sections */
  void addAutomaticVariableSections(const std::string& section);

  /**
   * Retrieve the list of documented module located in
   * path which match the globing expression globExpr.
   * @param[in] path, directory where to start the search
   *                  we will recurse into it.
   * @param[in] globExpr, the globing expression used to
   *                      match the file in path.
   * @param[out] the list of obtained pairs (may be empty)
   * @return 0 on success 1 on error or empty list
   */
  int getDocumentedModulesListInDir(
          std::string path,
          std::string globExpr,
          documentedModulesList_t& docModuleList);

  /**
   * Get the documentation of macros, functions and variable documented
   * with CMake structured documentation in a CMake script.
   * (in fact it may be in any file which follow the structured doc format)
   * Structured documentation begin with
   * ## (double sharp) in column 1 & 2 immediately followed
   * by a markup. Those ## are ignored by the legacy module
   * documentation parser @see CreateSingleModule.
   * Current markup are ##section, ##module,
   * ##macro, ##function, ##variable and ##end.
   * ##end is closing either of the previous ones.
   * @param[in] fname the script file name to be parsed for documentation
   * @param[in,out] commands the vector of command/macros documentation
   *                entry found in the script file.
   * @param[in,out] the cmake object instance to which variable documentation
   *                will be attached (using @see cmake::DefineProperty)
   * @param[in] the documentation section in which the property will be
   *            inserted.
   * @return the number of documented items (command and variable)
   *         found in the file.
   */
  int GetStructuredDocFromFile(const char* fname,
                               std::vector<cmDocumentationEntry>& commands,
                               cmake* cm);
private:
  void SetForm(Form f, int manSection);
  void SetDocName(const char* docname);

  bool CreateSingleModule(const char* fname,
                          const char* moduleName,
                          cmDocumentationSection &sec);
  void CreateModuleDocsForDir(cmsys::Directory& dir,
                              cmDocumentationSection &moduleSection);
  bool CreateModulesSection();
  bool CreateCustomModulesSection();
  void CreateFullDocumentation();

  void AddDocumentIntroToPrint(const char* intro[2]);

  bool PrintCopyright(std::ostream& os);
  bool PrintVersion(std::ostream& os);
  bool PrintDocumentationGeneric(std::ostream& os, const char *section);
  bool PrintDocumentationList(std::ostream& os, const char *section);
  bool PrintDocumentationSingle(std::ostream& os);
  bool PrintDocumentationSingleModule(std::ostream& os);
  bool PrintDocumentationSingleProperty(std::ostream& os);
  bool PrintDocumentationSinglePolicy(std::ostream& os);
  bool PrintDocumentationSingleVariable(std::ostream& os);
  bool PrintDocumentationUsage(std::ostream& os);
  bool PrintDocumentationFull(std::ostream& os);
  bool PrintDocumentationModules(std::ostream& os);
  bool PrintDocumentationCustomModules(std::ostream& os);
  bool PrintDocumentationPolicies(std::ostream& os);
  bool PrintDocumentationProperties(std::ostream& os);
  bool PrintDocumentationVariables(std::ostream& os);
  bool PrintDocumentationCurrentCommands(std::ostream& os);
  bool PrintDocumentationCompatCommands(std::ostream& os);
  void PrintDocumentationCommand(std::ostream& os,
                                 const cmDocumentationEntry &entry);


  const char* GetNameString() const;
  const char* GetDocName(bool fallbackToNameString = true) const;
  const char* GetDefaultDocName(Type ht) const;
  bool IsOption(const char* arg) const;

  bool ShowGenerators;

  std::string NameString;
  std::string DocName;
  std::map<std::string,cmDocumentationSection*> AllSections;

  std::string SeeAlsoString;
  std::string CMakeRoot;
  std::string CMakeModulePath;
  std::set<std::string> ModulesFound;
  std::vector< char* > ModuleStrings;
  std::vector<const cmDocumentationSection *> PrintSections;
  std::string CurrentArgument;

  struct RequestedHelpItem
  {
    RequestedHelpItem():HelpForm(TextForm), HelpType(None), ManSection(1) {}
    cmDocumentationEnums::Form HelpForm;
    cmDocumentationEnums::Type HelpType;
    std::string Filename;
    std::string Argument;
    int ManSection;
  };

  std::vector<RequestedHelpItem> RequestedHelpItems;
  cmDocumentationFormatter* CurrentFormatter;
  cmDocumentationFormatterHTML HTMLFormatter;
  cmDocumentationFormatterDocbook DocbookFormatter;
  cmDocumentationFormatterMan ManFormatter;
  cmDocumentationFormatterText TextFormatter;
  cmDocumentationFormatterUsage UsageFormatter;

  std::vector<std::string> PropertySections;
  std::vector<std::string> VariableSections;
};

#endif