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/* $Id$
*
* To populate the registry_db, construct a codeset registry text file based
* on the OSF's Character and Code Set Registry. See DCE RFC 40.1 for details
* on obtaining the full text for the current registry. Once you have composed
* a text file containing all the desired codeset information, build and run
* mkcsregdb. The source is in $ACE_ROOT/apps/mkcsregdb. It will generate a new
* copy of this file, with the registry_db_ array properly initialized.
*/
// FUZZ: disable check_for_streams_include
#include "ace/streams.h"
#include "ace/Codeset_Registry.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_sys_stat.h"
#include "ace/OS_NS_time.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_unistd.h"
class csdb_generator : public ACE_Codeset_Registry
{
public:
csdb_generator ();
int read_from (const char *source);
int init_output (const char *srcfile);
int write_entry ();
int fini_output (const char *target);
int read_line ();
void write_dummy_entry();
void fail(const char *msg);
private:
static const char * tags_[];
static int max_line_;
int count_;
int in_entry_;
registry_entry entry_;
int linecounter_;
char *source_line_;
char *line_data_;
ifstream *inf_;
FILE *outf_;
char *tempfilename_;
char *ace_src_;
};
int csdb_generator::max_line_ = 1024;
const char * csdb_generator::tags_[] = {
"start",
"end",
"description ",
"loc_name ",
"rgy_value ",
"char_values ",
"max_bytes ",
0
};
csdb_generator::csdb_generator ()
:count_(0),
in_entry_(0),
linecounter_(0),
source_line_ (new char[max_line_]),
line_data_ (0),
inf_ (0),
outf_ (0)
{
ace_src_ = ACE_OS::getenv("ACE_ROOT");
}
void
csdb_generator::fail (const char *msg)
{
ACE_ERROR ((LM_ERROR,"Error, line %d: %s\n",linecounter_,msg));
ACE_OS::fclose (outf_);
ACE_OS::unlink (tempfilename_);
ACE_OS::exit (-1);
}
int
csdb_generator::read_line()
{
inf_->getline (source_line_,max_line_);
line_data_ = 0;
char *cpos = ACE_OS::strchr (source_line_,'#');
if (cpos == 0)
cpos = source_line_ + ACE_OS::strlen(source_line_);
while (cpos > source_line_ && ACE_OS::strchr(" \t",*(cpos - 1))) cpos--;
*cpos = 0;
if (cpos == source_line_)
return 0;
for (int i = 0; tags_[i]; i++)
{
cpos = ACE_OS::strstr (source_line_,tags_[i]);
if (cpos == 0) // not found
continue;
if (cpos > source_line_) // make sure it's first token
{
char *tpos = cpos-1;
while (tpos > source_line_ && ACE_OS::strchr(" \t",*tpos)) tpos--;
if (tpos > source_line_)
continue;
}
if (i == 0 && in_entry_)
fail ("\"start\" encountered twice before \"end\"");
if (i > 0 && !in_entry_)
{
char *emsg = new char[100];
ACE_OS::sprintf (emsg,"\"%s\" encountered before \"start\"",tags_[i]);
fail (emsg);
}
if (i > 1)
{
line_data_ = cpos + ACE_OS::strlen(tags_[i]);
while (*line_data_ && ACE_OS::strchr(" \t",(*line_data_)))
line_data_++;
}
return i+1;
}
return -1;
}
int
csdb_generator::read_from (const char *srcfile)
{
inf_ = new ifstream(srcfile);
char *ptr;
while (inf_->good() && !inf_->eof()) {
linecounter_++;
switch (read_line ()) {
case -1: // bogus line
fail ("unknown field tag");
break;
case 0: // comment or blank line
break;
case 1: // start
entry_.desc_ = 0;
entry_.loc_name_ = 0;
entry_.codeset_id_ = 0;
entry_.num_sets_ = 0;
entry_.max_bytes_ = 0;
in_entry_ = 1;
break;
case 2: // end
if (entry_.codeset_id_ == 0)
fail ("entry missing rgy_value");
if (entry_.num_sets_ == 0)
fail ("entry does not include at least one char_value");
if (entry_.max_bytes_ == 0)
fail ("entry does not define max_bytes");
write_entry ();
delete [] const_cast<char *> (entry_.desc_);
delete [] const_cast<char *> (entry_.loc_name_);
count_++;
in_entry_ = 0;
break;
case 3: // description
if (entry_.desc_ != 0)
fail ("duplicate description");
entry_.desc_ = ACE_OS::strdup(line_data_);
break;
case 4: // loc_name
if (entry_.loc_name_ != 0)
fail ("duplicate loc_name");
entry_.loc_name_ = ACE_OS::strdup(line_data_);
break;
case 5: // rgy_value
if (entry_.codeset_id_ != 0)
fail ("duplicate rgy_value");
entry_.codeset_id_ = ACE_OS::strtoul(line_data_,&ptr,16);
if (*ptr != 0 || entry_.codeset_id_ == 0)
{
char emsg [100];
ACE_OS::sprintf (emsg,"invalid rgy_value, '%s'",line_data_);
fail (emsg);
}
break;
case 6: // char_values
if (entry_.num_sets_ != 0)
fail ("duplicate char_values");
ptr = line_data_;
do {
if (*ptr == ':')
ptr++;
ACE_CDR::UShort tmp =
static_cast<ACE_CDR::UShort> (ACE_OS::strtoul(ptr,&ptr,16));
if (*ptr != 0 && *ptr != ':')
{
char *emsg = new char [100];
ACE_OS::sprintf (emsg,"invalid symbol \'%c\' in char_values",*ptr);
fail (emsg);
}
if (entry_.num_sets_ < max_charsets_)
entry_.char_sets_[entry_.num_sets_++] = tmp;
else entry_.num_sets_++;
} while (*ptr == ':');
if (entry_.num_sets_ > max_charsets_)
{
char *emsg = new char [200];
ACE_OS::sprintf (emsg,"max of %d char_values exceeded.\nIncrease ACE_Codeset_Registry::max_charsets_ to at least %d and rebuild mkcsregdb",max_charsets_,entry_.num_sets_);
fail (emsg);
}
break;
case 7: // max_bytes
if (entry_.max_bytes_ != 0)
fail ("duplicate max_bytes");
entry_.max_bytes_ =
static_cast<ACE_CDR::UShort> (ACE_OS::strtol(line_data_,&ptr,10));
if (*ptr != 0)
fail ("invalid max_bytes");
break;
}
}
return 0;
}
int
csdb_generator::init_output (const char *srcfile)
{
ACE_stat buf;
if (ACE_OS::stat (srcfile,&buf) != 0)
ACE_ERROR_RETURN ((LM_ERROR,"Unable to open %s\n",srcfile),-1);
if (ace_src_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,"You must first set $ACE_ROOT\n"),-1);
time_t now = ACE_OS::time();
tempfilename_ = ACE_OS::tempnam (ace_src_,"csdb");
outf_ = ACE_OS::fopen (tempfilename_,"w");
if (outf_ == 0)
ACE_ERROR_RETURN ((LM_ERROR, "Unable to open output file, %s\n",tempfilename_),-1);
ACE_OS::fprintf (outf_,"// $ID: $\n");
ACE_OS::fprintf (outf_,"/*\n * Codeset registry DB, generated %s * source: %s\n",
ACE_OS::asctime (ACE_OS::localtime(&now)),
srcfile);
ACE_OS::fprintf (outf_," *\n * To populate the registry_db, construct a codeset registry text file based\n");
ACE_OS::fprintf (outf_," * on the OSF's Character and Code Set Registry. See DCE RFC 40.1 for details\n");
ACE_OS::fprintf (outf_," * on obtaining the full text for the current registry. Once you have composed\n");
ACE_OS::fprintf (outf_," * a text file containing all the desired codeset information, build and run\n");
ACE_OS::fprintf (outf_," * mkcsregdb. The source is in $ACE_ROOT/apps/mkcsregdb. It will generate a new\n");
ACE_OS::fprintf (outf_," * copy of this file, with the registry_db_ array properly initialized.\n */\n");
ACE_OS::fprintf (outf_,"\n#include \"ace/Codeset_Registry.h\"\n\n%s\n%s\n{\n",
"ACE_Codeset_Registry::registry_entry const",
"ACE_Codeset_Registry::registry_db_[] =");
return 0;
}
int
csdb_generator::write_entry ()
{
if (count_)
ACE_OS::fprintf (outf_,",\n");
ACE_OS::fprintf (outf_," {\"%s\",\"%s\",0x%08x,%d,{",
entry_.desc_,
entry_.loc_name_,
entry_.codeset_id_,
entry_.num_sets_);
for (ACE_CDR::UShort j = 0; j < entry_.num_sets_; j++)
if (j+1 < entry_.num_sets_)
ACE_OS::fprintf (outf_,"0x%04x,",entry_.char_sets_[j]);
else
ACE_OS::fprintf (outf_,"0x%04x",entry_.char_sets_[j]);
ACE_OS::fprintf (outf_,"},%d}",entry_.max_bytes_);
return 0;
}
void
csdb_generator::write_dummy_entry()
{
entry_.desc_ = "No codesets defined";
entry_.loc_name_ = "NONE";
entry_.codeset_id_ = 0;
entry_.num_sets_ = 1;
entry_.char_sets_[0] = 0;
entry_.max_bytes_ = 0;
write_entry();
}
int
csdb_generator::fini_output (const char *tgt)
{
char *target = new char [ACE_OS::strlen(ace_src_) + ACE_OS::strlen(tgt) + 6];
ACE_OS::sprintf (target,"%s/ace/%s",ace_src_,tgt);
if (count_ == 0)
write_dummy_entry();
ACE_OS::fprintf (outf_,"\n};\n\nsize_t const ACE_Codeset_Registry::num_registry_entries_ = %d;\n\n",count_);
ACE_OS::fclose (outf_);
ACE_stat buf;
if (ACE_OS::stat (target,&buf) == 0)
{
char fname[200];
int result = 0;
for (int i = 0; result == 0; i++)
{
ACE_OS::sprintf (fname,"%s.%03d",target,i);
result = ACE_OS::stat(fname,&buf);
}
ACE_DEBUG ((LM_DEBUG,"Moving $ACE_ROOT/ace/%s to $ACE_ROOT/ace%s\n",
tgt,ACE_OS::strrchr(fname,'/')));
if (ACE_OS::rename (target,fname) == -1)
ACE_ERROR_RETURN ((LM_ERROR,"Could not create %s\n, output stored in %s",
fname,tempfilename_),-1);
}
ACE_DEBUG ((LM_DEBUG,"writing $ACE_ROOT/ace/%s\n",tgt));
if (ACE_OS::rename (tempfilename_,target) == -1)
ACE_ERROR_RETURN ((LM_ERROR,"Could not create %s\n, output stored in %s",
target,tempfilename_),-1);
return 0;
}
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
ACE_CString srcname;
if (argc > 1)
srcname.set(argv[1]);
else
ACE_ERROR_RETURN ((LM_ERROR,"Usage: %s <source_file>\nwhere source file is the full path to a code set registry text file.\n",argv[0]),-1);
csdb_generator csdb;
if (csdb.init_output(srcname.c_str()) == -1)
return 0;
if (csdb.read_from (srcname.c_str()) == 0)
csdb.fini_output ("Codeset_Registry_db.cpp");
return 0;
}
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