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glibc  2.9
Classes | Defines | Functions
ld-numeric.c File Reference
#include <langinfo.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_numeric_t

Defines

#define STR_ELEM(cat)

Functions

static void numeric_startup (struct linereader *lr, struct localedef_t *locale, int ignore_content)
void numeric_finish (struct localedef_t *locale, const struct charmap_t *charmap)
void numeric_output (struct localedef_t *locale, const struct charmap_t *charmap, const char *output_path)
void numeric_read (struct linereader *ldfile, struct localedef_t *result, const struct charmap_t *charmap, const char *repertoire_name, int ignore_content)

Class Documentation

struct locale_numeric_t

Definition at line 36 of file ld-numeric.c.

Class Members
const char * decimal_point
uint32_t decimal_point_wc
char * grouping
size_t grouping_len
const char * thousands_sep
uint32_t thousands_sep_wc

Define Documentation

#define STR_ELEM (   cat)

Function Documentation

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

Definition at line 67 of file ld-numeric.c.

{
  struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
  int nothing = 0;

  /* Now resolve copying and also handle completely missing definitions.  */
  if (numeric == NULL)
    {
      /* First see whether we were supposed to copy.  If yes, find the
        actual definition.  */
      if (locale->copy_name[LC_NUMERIC] != 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_NUMERIC, from->copy_name[LC_NUMERIC],
                            from->repertoire_name, charmap);
         while (from->categories[LC_NUMERIC].numeric == NULL
               && from->copy_name[LC_NUMERIC] != NULL);

         numeric = locale->categories[LC_NUMERIC].numeric
           = from->categories[LC_NUMERIC].numeric;
       }

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

  /* The decimal point must not be empty.  This is not said explicitly
     in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
     != "".  */
  if (numeric->decimal_point == NULL)
    {
      if (! be_quiet && ! nothing)
       WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                            "LC_NUMERIC", "decimal_point"));
      numeric->decimal_point = ".";
    }
  else if (numeric->decimal_point[0] == '\0' && ! be_quiet && ! nothing)
    {
      WITH_CUR_LOCALE (error (0, 0, _("\
%s: value for field `%s' must not be an empty string"),
                           "LC_NUMERIC", "decimal_point"));
    }
  if (numeric->decimal_point_wc == L'\0')
    numeric->decimal_point_wc = L'.';

  if (numeric->grouping_len == 0 && ! be_quiet && ! nothing)
    WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                         "LC_NUMERIC", "grouping"));
}

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

Definition at line 132 of file ld-numeric.c.

{
  struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
  struct iovec iov[3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
  struct locale_file data;
  uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
  size_t cnt = 0;

  data.magic = LIMAGIC (LC_NUMERIC);
  data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
  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 = (void *) (numeric->decimal_point ?: "");
  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 = (void *) (numeric->thousands_sep ?: "");
  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 = numeric->grouping;
  iov[cnt].iov_len = numeric->grouping_len;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;

  /* Align following data */
  iov[cnt].iov_base = (void *) "\0\0";
  iov[cnt].iov_len = ((idx[cnt - 2] + 3) & ~3) - idx[cnt - 2];
  idx[cnt - 2] = (idx[cnt - 2] + 3) & ~3;
  ++cnt;

  iov[cnt].iov_base = (void *) &numeric->decimal_point_wc;
  iov[cnt].iov_len = sizeof (uint32_t);
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) &numeric->thousands_sep_wc;
  iov[cnt].iov_len = sizeof (uint32_t);
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) charmap->code_set_name;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;

  assert (cnt + 1 == 3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));

  write_locale_data (output_path, LC_NUMERIC, "LC_NUMERIC",
                   3 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
}

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

Definition at line 196 of file ld-numeric.c.

{
  struct repertoire_t *repertoire = NULL;
  struct locale_numeric_t *numeric;
  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_NUMERIC' 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_numeric,
                 LC_NUMERIC, "LC_NUMERIC", ignore_content);
      return;
    }

  /* Prepare the data structures.  */
  numeric_startup (ldfile, result, ignore_content);
  numeric = result->categories[LC_NUMERIC].numeric;

  while (1)
    {
      /* Of course we don't proceed beyond the end of file.  */
      if (nowtok == tok_eof)
       break;

      /* Ingore 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;                                                  \
           }                                                         \
                                                                     \
         ldfile->return_widestr = 1;                                        \
         now = lr_token (ldfile, charmap, result, repertoire, verbose);            \
         if (now->tok != tok_string)                                        \
           goto err_label;                                           \
         if (numeric->cat != NULL)                                   \
           lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_NUMERIC", #cat);              \
         else if (!ignore_content && now->val.str.startmb == NULL)          \
           {                                                         \
             lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_NUMERIC", #cat);                 \
             numeric->cat = "";                                      \
             numeric->cat##_wc = L'\0';                              \
           }                                                         \
         else if (now->val.str.startwc != NULL && now->val.str.lenwc > 2)    \
           {                                                         \
             lr_error (ldfile, _("\
%s: value for field `%s' must be a single character"), "LC_NUMERIC", #cat);   \
           }                                                         \
         else if (!ignore_content)                                   \
           {                                                         \
             numeric->cat = now->val.str.startmb;                           \
                                                                     \
             if (now->val.str.startwc != NULL)                              \
              numeric->cat##_wc = *now->val.str.startwc;                    \
           }                                                         \
         ldfile->return_widestr = 0;                                        \
         break

         STR_ELEM (decimal_point);
         STR_ELEM (thousands_sep);

       case tok_grouping:
         /* 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;
           }

         now = lr_token (ldfile, charmap, result, NULL, verbose);
         if (now->tok != tok_minus1 && now->tok != tok_number)
           goto err_label;
         else
           {
             size_t act = 0;
             size_t max = 10;
             char *grouping = xmalloc (max);

             do
              {
                if (act + 1 >= max)
                  {
                    max *= 2;
                    grouping = xrealloc (grouping, max);
                  }

                if (act > 0 && grouping[act - 1] == '\177')
                  {
                    lr_error (ldfile, _("\
%s: `-1' must be last entry in `%s' field"), "LC_NUMERIC", "grouping");
                    lr_ignore_rest (ldfile, 0);
                    break;
                  }

                if (now->tok == tok_minus1)
                  grouping[act++] = '\177';
                else if (now->val.num == 0)
                  {
                    /* A value of 0 disables grouping from here on but
                      we must not store a NUL character since this
                      terminates the string.  Use something different
                      which must not be used otherwise.  */
                    grouping[act++] = '\377';
                  }
                else if (now->val.num > 126)
                  lr_error (ldfile, _("\
%s: values for field `%s' must be smaller than 127"),
                           "LC_NUMERIC", "grouping");
                else
                  grouping[act++] = now->val.num;

                /* Next must be semicolon.  */
                now = lr_token (ldfile, charmap, result, NULL, verbose);
                if (now->tok != tok_semicolon)
                  break;

                now = lr_token (ldfile, charmap, result, NULL, verbose);
              }
             while (now->tok == tok_minus1 || now->tok == tok_number);

             if (now->tok != tok_eol)
              goto err_label;

             grouping[act++] = '\0';

             numeric->grouping = xrealloc (grouping, act);
             numeric->grouping_len = act;
           }
         break;

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

       default:
       err_label:
         SYNTAX_ERROR (_("%s: syntax error"), "LC_NUMERIC");
       }

      /* 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_NUMERIC");

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

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

{
  if (!ignore_content)
    {
      locale->categories[LC_NUMERIC].numeric =
       (struct locale_numeric_t *) xcalloc (1,
                                        sizeof (struct locale_numeric_t));
    }

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

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