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glibc  2.9
Classes | Defines | Functions
ld-messages.c File Reference
#include <langinfo.h>
#include <sys/types.h>
#include <regex.h>
#include <string.h>
#include <sys/uio.h>
#include <assert.h>
#include "localedef.h"
#include "linereader.h"
#include "localeinfo.h"
#include "locfile.h"

Go to the source code of this file.

Classes

struct  locale_messages_t

Defines

#define STR_ELEM(cat)

Functions

static void messages_startup (struct linereader *lr, struct localedef_t *locale, int ignore_content)
void messages_finish (struct localedef_t *locale, const struct charmap_t *charmap)
void messages_output (struct localedef_t *locale, const struct charmap_t *charmap, const char *output_path)
void messages_read (struct linereader *ldfile, struct localedef_t *result, const struct charmap_t *charmap, const char *repertoire_name, int ignore_content)

Class Documentation

struct locale_messages_t

Definition at line 38 of file ld-messages.c.

Class Members
const char * noexpr
const char * nostr
const char * yesexpr
const char * yesstr

Define Documentation

#define STR_ELEM (   cat)
Value:
case tok_##cat:                                                      \
         /* Ignore the rest of the line if we don't need the input of       \
            this line.  */                                           \
         if (ignore_content)                                                \
           {                                                         \
             lr_ignore_rest (ldfile, 0);                             \
             break;                                                  \
           }                                                         \
                                                                     \
         if (messages->cat != NULL)                                         \
           {                                                         \
             lr_error (ldfile, _("\%s: field `%s' declared more than once"), "LC_MESSAGES", #cat);                    \
             lr_ignore_rest (ldfile, 0);                             \
             break;                                                  \
           }                                                         \
         now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
         if (now->tok != tok_string)                                        \
           goto syntax_error;                                               \
         else if (!ignore_content && now->val.str.startmb == NULL)          \
           {                                                         \
             lr_error (ldfile, _("\%s: unknown character in field `%s'"), "LC_MESSAGES", #cat);                \
             messages->cat = "";                                     \
           }                                                         \
         else if (!ignore_content)                                   \
           messages->cat = now->val.str.startmb;                     \
         break

Function Documentation

void messages_finish ( struct localedef_t locale,
const struct charmap_t charmap 
)

Definition at line 65 of file ld-messages.c.

{
  struct locale_messages_t *messages
    = locale->categories[LC_MESSAGES].messages;
  int nothing = 0;

  /* Now resolve copying and also handle completely missing definitions.  */
  if (messages == NULL)
    {
      /* First see whether we were supposed to copy.  If yes, find the
        actual definition.  */
      if (locale->copy_name[LC_MESSAGES] != NULL)
       {
         /* Find the copying locale.  This has to happen transitively since
            the locale we are copying from might also copying another one.  */
         struct localedef_t *from = locale;

         do
           from = find_locale (LC_MESSAGES, from->copy_name[LC_MESSAGES],
                            from->repertoire_name, charmap);
         while (from->categories[LC_MESSAGES].messages == NULL
               && from->copy_name[LC_MESSAGES] != NULL);

         messages = locale->categories[LC_MESSAGES].messages
           = from->categories[LC_MESSAGES].messages;
       }

      /* If there is still no definition issue an warning and create an
        empty one.  */
      if (messages == NULL)
       {
         if (! be_quiet)
           WITH_CUR_LOCALE (error (0, 0, _("\
No definition for %s category found"), "LC_MESSAGES"));
         messages_startup (NULL, locale, 0);
         messages = locale->categories[LC_MESSAGES].messages;
         nothing = 1;
       }
    }

  /* The fields YESSTR and NOSTR are optional.  */
  if (messages->yesstr == NULL)
    messages->yesstr = "";
  if (messages->nostr == NULL)
    messages->nostr = "";

  if (messages->yesexpr == NULL)
    {
      if (! be_quiet && ! nothing)
       WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
                            "LC_MESSAGES", "yesexpr"));
      messages->yesexpr = "^[yY]";
    }
  else if (messages->yesexpr[0] == '\0')
    {
      if (!be_quiet)
       WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must not be an empty string"),
                            "LC_MESSAGES", "yesexpr"));
    }
  else
    {
      int result;
      regex_t re;

      /* Test whether it are correct regular expressions.  */
      result = regcomp (&re, messages->yesexpr, REG_EXTENDED);
      if (result != 0 && !be_quiet)
       {
         char errbuf[BUFSIZ];

         (void) regerror (result, &re, errbuf, BUFSIZ);
         WITH_CUR_LOCALE (error (0, 0, _("\
%s: no correct regular expression for field `%s': %s"),
                              "LC_MESSAGES", "yesexpr", errbuf));
       }
      else if (result != 0)
       regfree (&re);
    }

  if (messages->noexpr == NULL)
    {
      if (! be_quiet && ! nothing)
       WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' undefined"),
                            "LC_MESSAGES", "noexpr"));
      messages->noexpr = "^[nN]";
    }
  else if (messages->noexpr[0] == '\0')
    {
      if (!be_quiet)
       WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must not be an empty string"),
                            "LC_MESSAGES", "noexpr"));
    }
  else
    {
      int result;
      regex_t re;

      /* Test whether it are correct regular expressions.  */
      result = regcomp (&re, messages->noexpr, REG_EXTENDED);
      if (result != 0 && !be_quiet)
       {
         char errbuf[BUFSIZ];

         (void) regerror (result, &re, errbuf, BUFSIZ);
         WITH_CUR_LOCALE (error (0, 0, _("\
%s: no correct regular expression for field `%s': %s"),
                              "LC_MESSAGES", "noexpr", errbuf));
       }
      else if (result != 0)
       regfree (&re);
    }
}

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void messages_output ( struct localedef_t locale,
const struct charmap_t charmap,
const char *  output_path 
)

Definition at line 182 of file ld-messages.c.

{
  struct locale_messages_t *messages
    = locale->categories[LC_MESSAGES].messages;
  struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
  struct locale_file data;
  uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)];
  size_t cnt = 0;

  data.magic = LIMAGIC (LC_MESSAGES);
  data.n = _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES);
  iov[cnt].iov_base = (void *) &data;
  iov[cnt].iov_len = sizeof (data);
  ++cnt;

  iov[cnt].iov_base = (void *) idx;
  iov[cnt].iov_len = sizeof (idx);
  ++cnt;

  idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
  iov[cnt].iov_base = (char *) messages->yesexpr;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (char *) messages->noexpr;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (char *) messages->yesstr;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (char *) messages->nostr;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (char *) charmap->code_set_name;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;

  assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES));

  write_locale_data (output_path, LC_MESSAGES, "LC_MESSAGES",
                   2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES), iov);
}

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void messages_read ( struct linereader ldfile,
struct localedef_t result,
const struct charmap_t charmap,
const char *  repertoire_name,
int  ignore_content 
)

Definition at line 235 of file ld-messages.c.

{
  struct repertoire_t *repertoire = NULL;
  struct locale_messages_t *messages;
  struct token *now;
  enum token_t nowtok;

  /* Get the repertoire we have to use.  */
  if (repertoire_name != NULL)
    repertoire = repertoire_read (repertoire_name);

  /* The rest of the line containing `LC_MESSAGES' must be free.  */
  lr_ignore_rest (ldfile, 1);


  do
    {
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }
  while (nowtok == tok_eol);

  /* If we see `copy' now we are almost done.  */
  if (nowtok == tok_copy)
    {
      handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_messages,
                 LC_MESSAGES, "LC_MESSAGES", ignore_content);
      return;
    }

  /* Prepare the data structures.  */
  messages_startup (ldfile, result, ignore_content);
  messages = result->categories[LC_MESSAGES].messages;

  while (1)
    {
      struct token *arg;

      /* Of course we don't proceed beyond the end of file.  */
      if (nowtok == tok_eof)
       break;

      /* Ignore empty lines.  */
      if (nowtok == tok_eol)
       {
         now = lr_token (ldfile, charmap, result, NULL, verbose);
         nowtok = now->tok;
         continue;
       }

      switch (nowtok)
       {
#define STR_ELEM(cat) \
       case tok_##cat:                                                      \
         /* Ignore the rest of the line if we don't need the input of       \
            this line.  */                                           \
         if (ignore_content)                                                \
           {                                                         \
             lr_ignore_rest (ldfile, 0);                             \
             break;                                                  \
           }                                                         \
                                                                     \
         if (messages->cat != NULL)                                         \
           {                                                         \
             lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_MESSAGES", #cat);                    \
             lr_ignore_rest (ldfile, 0);                             \
             break;                                                  \
           }                                                         \
         now = lr_token (ldfile, charmap, result, repertoire, verbose);      \
         if (now->tok != tok_string)                                        \
           goto syntax_error;                                               \
         else if (!ignore_content && now->val.str.startmb == NULL)          \
           {                                                         \
             lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_MESSAGES", #cat);                \
             messages->cat = "";                                     \
           }                                                         \
         else if (!ignore_content)                                   \
           messages->cat = now->val.str.startmb;                     \
         break

         STR_ELEM (yesexpr);
         STR_ELEM (noexpr);
         STR_ELEM (yesstr);
         STR_ELEM (nostr);

       case tok_end:
         /* Next we assume `LC_MESSAGES'.  */
         arg = lr_token (ldfile, charmap, result, NULL, verbose);
         if (arg->tok == tok_eof)
           break;
         if (arg->tok == tok_eol)
           lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MESSAGES");
         else if (arg->tok != tok_lc_messages)
           lr_error (ldfile, _("\
%1$s: definition does not end with `END %1$s'"), "LC_MESSAGES");
         lr_ignore_rest (ldfile, arg->tok == tok_lc_messages);
         return;

       default:
       syntax_error:
         SYNTAX_ERROR (_("%s: syntax error"), "LC_MESSAGES");
       }

      /* Prepare for the next round.  */
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }

  /* When we come here we reached the end of the file.  */
  lr_error (ldfile, _("%s: premature end of file"), "LC_MESSAGES");

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static void messages_startup ( struct linereader lr,
struct localedef_t locale,
int  ignore_content 
) [static]

Definition at line 48 of file ld-messages.c.

{
  if (!ignore_content)
    locale->categories[LC_MESSAGES].messages =
      (struct locale_messages_t *) xcalloc (1,
                                       sizeof (struct locale_messages_t));

  if (lr != NULL)
    {
      lr->translate_strings = 1;
      lr->return_widestr = 0;
    }
}

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