summaryrefslogtreecommitdiff
path: root/Source/cmDocumentationFormatterDocbook.cxx
blob: 90c968a5c9b103f02efa918d09dd0c4c3ee4d58f (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
/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "cmDocumentationFormatterDocbook.h"
#include "cmDocumentationSection.h"
//----------------------------------------------------------------------------

// this function is a copy of the one in the HTML formatter
// the three functions below are slightly modified copies
static bool cmDocumentationIsHyperlinkCharDocbook(char c)
{
  // This is not a complete list but works for CMake documentation.
  return ((c >= 'A' && c <= 'Z') ||
          (c >= 'a' && c <= 'z') ||
          (c >= '0' && c <= '9') ||
          c == '-' || c == '.' || c == '/' || c == '~' || c == '@' ||
          c == ':' || c == '_' || c == '&' || c == '?' || c == '=');
}

//----------------------------------------------------------------------------
static void cmDocumentationPrintDocbookChar(std::ostream& os, char c)
{
  // Use an escape sequence if necessary.
  switch(c)
  {
    case '<':
      os << "&lt;";
      break;
    case '>': 
      os << "&gt;";
      break;
    case '&':
      os << "&amp;";
      break;
    default:
      os << c;
  }
}

//----------------------------------------------------------------------------
const char* cmDocumentationPrintDocbookLink(std::ostream& os,const char* begin)
{
  // Look for the end of the link.
  const char* end = begin;
  while(cmDocumentationIsHyperlinkCharDocbook(*end))
    {
    ++end;
    }

  // Print the hyperlink itself.
  os << "<ulink url=\"";
  for(const char* c = begin; c != end; ++c)
    {
    cmDocumentationPrintDocbookChar(os, *c);
    }
  os << "\" />";

  return end;
}

//----------------------------------------------------------------------------
void cmDocumentationPrintDocbookEscapes(std::ostream& os, const char* text)
{
  // Hyperlink prefixes.
  static const char* hyperlinks[] = {"http://", "ftp://", "mailto:", 0};

  // Print each character.
  for(const char* p = text; *p;)
    {
    // Handle hyperlinks specially to make them active.
    bool found_hyperlink = false;
    for(const char** h = hyperlinks; !found_hyperlink && *h; ++h)
      {
      if(strncmp(p, *h, strlen(*h)) == 0)
        {
        p = cmDocumentationPrintDocbookLink(os, p);
        found_hyperlink = true;
        }
      }

    // Print other characters normally.
    if(!found_hyperlink)
      {
      cmDocumentationPrintDocbookChar(os, *p++);
      }
    }
}


cmDocumentationFormatterDocbook::cmDocumentationFormatterDocbook()
:cmDocumentationFormatter()
{
}

void cmDocumentationFormatterDocbook
::PrintSection(std::ostream& os,
               const cmDocumentationSection &section,
               const char* name)
{
  if(name)
    {
    std::string id = "section_";
    id += name;
    if (this->EmittedLinkIds.find(id) == this->EmittedLinkIds.end())
      {
      this->EmittedLinkIds.insert(id);
      os << "<sect1 id=\"section_" << name << "\">\n"
            "<title>\n" << name << "</title>\n";
      }
    else
      {
      static unsigned int i=0;
      i++;
      os << "<sect1 id=\"section_" << name << i << "\">\n"
            "<title>\n" << name << "</title>\n";
      }
    }

  std::string prefix = this->ComputeSectionLinkPrefix(name);

  const std::vector<cmDocumentationEntry> &entries = 
    section.GetEntries();

  if (!entries.empty())
    {
    os << "<itemizedlist>\n";
    for(std::vector<cmDocumentationEntry>::const_iterator op 
          = entries.begin(); op != entries.end(); ++ op )
      {
      if(op->Name.size())
        {
        os << "    <listitem><link linkend=\"" << prefix << "_";
        cmDocumentationPrintDocbookEscapes(os, op->Name.c_str());
        os << "\"><emphasis><literal>";
        cmDocumentationPrintDocbookEscapes(os, op->Name.c_str());
        os << "</literal></emphasis></link></listitem>\n";
        }
      }
    os << "</itemizedlist>\n" ;
    }

  for(std::vector<cmDocumentationEntry>::const_iterator op = entries.begin(); 
      op != entries.end();)
    {
    if(op->Name.size())
      {
      for(;op != entries.end() && op->Name.size(); ++op)
        {
        if(op->Name.size())
          {
          os << "    <para id=\"" << prefix << "_";
          cmDocumentationPrintDocbookEscapes(os, op->Name.c_str());

          // make sure that each id exists only once.  Since it seems
          // not easily possible to determine which link refers to which id, 
          // we have at least to make sure that the duplicated id's get a 
          // different name (by appending an increasing number), Alex
          std::string id = prefix;
          id += "_";
          id += op->Name;
          if (this->EmittedLinkIds.find(id) == this->EmittedLinkIds.end())
            {
            this->EmittedLinkIds.insert(id);
            }
          else
            {
            static unsigned int i=0;
            i++;
            os << i;
            }
          // continue as normal...

          os << "\"><sect2><title>";
          cmDocumentationPrintDocbookEscapes(os, op->Name.c_str());
          os << "</title></sect2> ";
          }
        cmDocumentationPrintDocbookEscapes(os, op->Brief.c_str());
        if(op->Name.size())
          {
          os << "</para>\n";
          }

        if(op->Full.size())
          {
          // a line break seems to be simply a line break with docbook
          os << "\n    ";  
          this->PrintFormatted(os, op->Full.c_str());
          }
        os << "\n";
        }
      }
    else
      {
      this->PrintFormatted(os, op->Brief.c_str());
      os << "\n";
      ++op;
      }
    }
  if(name)
    {
    os << "</sect1>\n";
    }
}

void cmDocumentationFormatterDocbook::PrintPreformatted(std::ostream& os, 
                                                     const char* text)
{
  os << "<literallayout>";
  cmDocumentationPrintDocbookEscapes(os, text);
  os << "</literallayout>\n    ";
}

void cmDocumentationFormatterDocbook::PrintParagraph(std::ostream& os, 
                                                  const char* text)
{
  os << "<para>";
  cmDocumentationPrintDocbookEscapes(os, text);
  os << "</para>";
}

//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook::PrintHeader(const char* docname,
                                                  const char* appname,
                                                  std::ostream& os)
{
  // this one is used to ensure that we don't create multiple link targets
  // with the same name. We can clear it here since we are at the 
  // start of a document here.
  this->EmittedLinkIds.clear();

  os << "<?xml version=\"1.0\" ?>\n"
        "<!DOCTYPE article PUBLIC \"-//OASIS//DTD DocBook V4.2//EN\" "
        "\"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd\" [\n"
        "<!ENTITY % addindex \"IGNORE\">\n"
        "<!ENTITY % English \"INCLUDE\"> ]>\n"
        "<article>\n"
        "<articleinfo>\n"
        "<title>" << docname << " - " << appname << "</title>\n"
        "</articleinfo>\n";
}

//----------------------------------------------------------------------------
void cmDocumentationFormatterDocbook::PrintFooter(std::ostream& os)
{
  os << "</article>\n";
}