xref: /trunk/main/idlc/source/options.cxx (revision 2fe1ca3d)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_idlc.hxx"
26 
27 #include "idlc/options.hxx"
28 
29 #include "osl/diagnose.h"
30 #include "rtl/string.hxx"
31 #include "rtl/strbuf.hxx"
32 
33 #include <stdio.h>
34 #include <string.h>
35 
36 using rtl::OString;
37 using rtl::OStringBuffer;
38 
39 #ifdef SAL_UNX
40 #define SEPARATOR '/'
41 #else
42 #define SEPARATOR '\\'
43 #endif
44 
45 Options::Options(char const * progname)
46   : m_program(progname), m_stdin(false), m_verbose(false), m_quiet(false)
47 {
48 }
49 
50 Options::~Options()
51 {
52 }
53 
54 // static
55 bool Options::checkArgument (std::vector< std::string > & rArgs, char const * arg, size_t len)
56 {
57   bool result = ((arg != 0) && (len > 0));
58   OSL_PRECOND(result, "idlc::Options::checkArgument(): invalid arguments");
59   if (result)
60   {
61     switch(arg[0])
62     {
63     case '@':
64       if ((result = (len > 1)) == true)
65       {
66         // "@<cmdfile>"
67         result = Options::checkCommandFile (rArgs, &(arg[1]));
68       }
69       break;
70     case '-':
71       if ((result = (len > 1)) == true)
72       {
73         // "-<option>"
74         switch (arg[1])
75         {
76         case 'O':
77         case 'I':
78         case 'D':
79           {
80             // "-<option>[<param>]
81             std::string option(&(arg[0]), 2);
82             rArgs.push_back(option);
83             if (len > 2)
84             {
85               // "-<option><param>"
86               std::string param(&(arg[2]), len - 2);
87               rArgs.push_back(param);
88             }
89             break;
90           }
91         default:
92           // "-<option>" ([long] option, w/o param)
93           rArgs.push_back(std::string(arg, len));
94           break;
95         }
96       }
97       break;
98     default:
99       // "<param>"
100       rArgs.push_back(std::string(arg, len));
101       break;
102     }
103   }
104   return (result);
105 }
106 
107 // static
108 bool Options::checkCommandFile (std::vector< std::string > & rArgs, char const * filename)
109 {
110     FILE * fp = fopen(filename, "r");
111     if (fp == 0)
112     {
113         fprintf(stderr, "ERROR: can't open command file \"%s\"\n", filename);
114         return (false);
115     }
116 
117     std::string buffer;
118     buffer.reserve(256);
119 
120     bool quoted = false;
121     int c = EOF;
122     while ((c = fgetc(fp)) != EOF)
123     {
124         switch(c)
125         {
126         case '\"':
127           quoted = !quoted;
128           break;
129         case ' ':
130         case '\t':
131         case '\r':
132         case '\n':
133           if (!quoted)
134           {
135               if (!buffer.empty())
136               {
137                   // append current argument.
138                   if (!Options::checkArgument(rArgs, buffer.c_str(), buffer.size()))
139                   {
140                       (void) fclose(fp);
141                       return (false);
142                   }
143                   buffer.clear();
144               }
145               break;
146           }
147         default:
148           // quoted white-space fall through
149           buffer.push_back(sal::static_int_cast<char>(c));
150           break;
151         }
152     }
153     if (!buffer.empty())
154     {
155         // append unterminated argument.
156         if (!Options::checkArgument(rArgs, buffer.c_str(), buffer.size()))
157         {
158             (void) fclose(fp);
159             return (false);
160         }
161         buffer.clear();
162     }
163     return (fclose(fp) == 0);
164 }
165 
166 bool Options::badOption(char const * reason, std::string const & rArg) throw(IllegalArgument)
167 {
168   OStringBuffer message;
169   if (reason != 0)
170   {
171     message.append(reason); message.append(" option '"); message.append(rArg.c_str()); message.append("'");
172     throw IllegalArgument(message.makeStringAndClear());
173   }
174   return false;
175 }
176 
177 bool Options::setOption(char const * option, std::string const & rArg)
178 {
179   bool result = (0 == strcmp(option, rArg.c_str()));
180   if (result)
181     m_options[rArg.c_str()] = OString(rArg.c_str(), rArg.size());
182   return (result);
183 }
184 
185 bool Options::initOptions(std::vector< std::string > & rArgs) throw(IllegalArgument)
186 {
187   std::vector< std::string >::const_iterator first = rArgs.begin(), last = rArgs.end();
188   for (; first != last; ++first)
189   {
190     if ((*first)[0] != '-')
191     {
192       OString filename((*first).c_str(), (*first).size());
193       OString tmp(filename.toAsciiLowerCase());
194       if (tmp.lastIndexOf(".idl") != (tmp.getLength() - 4))
195       {
196         throw IllegalArgument("'" + filename + "' is not a valid input file, only '*.idl' files will be accepted");
197       }
198       m_inputFiles.push_back(filename);
199       continue;
200     }
201 
202     std::string const option(*first);
203     switch((*first)[1])
204     {
205     case 'O':
206       {
207         if (!((++first != last) && ((*first)[0] != '-')))
208         {
209           return badOption("invalid", option);
210         }
211         OString param((*first).c_str(), (*first).size());
212         m_options["-O"] = param;
213         break;
214       }
215     case 'I':
216       {
217         if (!((++first != last) && ((*first)[0] != '-')))
218         {
219           return badOption("invalid", option);
220         }
221         OString param((*first).c_str(), (*first).size());
222         {
223           // quote param token(s).
224           OStringBuffer buffer;
225           sal_Int32 k = 0;
226           do
227           {
228             OStringBuffer token; token.append("-I\""); token.append(param.getToken(0, ';', k)); token.append("\"");
229             if (buffer.getLength() > 0)
230               buffer.append(' ');
231             buffer.append(token);
232           } while (k != -1);
233           param = buffer.makeStringAndClear();
234         }
235         if (m_options.count("-I") > 0)
236         {
237           // append param.
238           OStringBuffer buffer(m_options["-I"]);
239           buffer.append(' '); buffer.append(param);
240           param = buffer.makeStringAndClear();
241         }
242         m_options["-I"] = param;
243         break;
244       }
245     case 'D':
246       {
247         if (!((++first != last) && ((*first)[0] != '-')))
248         {
249           return badOption("invalid", option);
250         }
251         OString param("-D"); param += OString((*first).c_str(), (*first).size());
252         if (m_options.count("-D") > 0)
253         {
254           OStringBuffer buffer(m_options["-D"]);
255           buffer.append(' '); buffer.append(param);
256           param = buffer.makeStringAndClear();
257         }
258         m_options["-D"] = param;
259         break;
260       }
261     case 'C':
262       {
263         if (!setOption("-C", option))
264         {
265           return badOption("invalid", option);
266         }
267         break;
268       }
269     case 'c':
270       {
271         if (!setOption("-cid", option))
272         {
273           return badOption("invalid", option);
274         }
275         break;
276       }
277     case 'q':
278       {
279         if (!setOption("-quiet", option))
280         {
281           return badOption("invalid", option);
282         }
283         m_quiet = true;
284         break;
285       }
286     case 'v':
287       {
288         if (!setOption("-verbose", option))
289         {
290           return badOption("invalid", option);
291         }
292         m_verbose = true;
293         break;
294       }
295     case 'w':
296       {
297         if (!(setOption("-w", option) || setOption("-we", option)))
298         {
299           return badOption("invalid", option);
300         }
301         break;
302       }
303     case 'h':
304     case '?':
305       {
306         if (!(setOption("-h", option) || setOption("-?", option)))
307         {
308           return badOption("invalid", option);
309         }
310         {
311           (void) fprintf(stdout, "%s", prepareHelp().getStr());
312           return (false);
313         }
314         // break; // Unreachable
315       }
316     case 's':
317       {
318         if (!setOption("-stdin", option))
319         {
320           return badOption("invalid", option);
321         }
322         m_stdin = true;
323         break;
324       }
325     default:
326       return badOption("unknown", option);
327     }
328   }
329   return (true);
330 }
331 
332 OString	Options::prepareHelp()
333 {
334 	OString help("\nusing: ");
335 	help += m_program
336         + " [-options] <file_1> ... <file_n> | @<filename> | -stdin\n";
337 	help += "    <file_n>    = file_n specifies one or more idl files.\n";
338 	help += "                  Only files with the extension '.idl' are valid.\n";
339 	help += "    @<filename> = filename specifies the name of a command file.\n";
340     help += "    -stdin      = read idl file from standard input.\n";
341 	help += "  Options:\n";
342 	help += "    -O<path>    = path specifies the output directory.\n";
343 	help += "                  The generated output is a registry file with\n";
344 	help += "                  the same name as the idl input file (or 'stdin'\n";
345     help += "                  for -stdin).\n";
346 	help += "    -I<path>    = path specifies a directory where include\n";
347 	help += "                  files will be searched by the preprocessor.\n";
348 	help += "                  Multiple directories can be combined with ';'.\n";
349 	help += "    -D<name>    = name defines a macro for the preprocessor.\n";
350 	help += "    -C          = generate complete type information, including\n";
351 	help += "                  documentation.\n";
352 	help += "    -cid        = check if identifiers fulfill the UNO naming\n";
353     help += "                  requirements.\n";
354 	help += "    -w          = display warning messages.\n";
355 	help += "    -we         = treat warnings as errors.\n";
356 	help += "    -h|-?       = print this help message and exit.\n\n";
357 	help += prepareVersion();
358 
359 	return help;
360 }
361 
362 OString	Options::prepareVersion()
363 {
364 	OString version(m_program);
365 	version += " Version 1.1\n\n";
366 	return version;
367 }
368 
369 const OString& Options::getProgramName() const
370 {
371 	return m_program;
372 }
373 
374 bool Options::isValid(const OString& option)
375 {
376 	return (m_options.count(option) > 0);
377 }
378 
379 const OString& Options::getOption(const OString& option)
380 	throw( IllegalArgument )
381 {
382 	if (!isValid(option))
383 	{
384 		throw IllegalArgument("Option is not valid or currently not set.");
385 	}
386     return m_options[option];
387 }
388 /* vi:set tabstop=4 shiftwidth=4 expandtab: */
389