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-rw-r--r--iconvdata/t61.c370
1 files changed, 128 insertions, 242 deletions
diff --git a/iconvdata/t61.c b/iconvdata/t61.c
index b77ee71248..8c288adca2 100644
--- a/iconvdata/t61.c
+++ b/iconvdata/t61.c
@@ -19,6 +19,7 @@
Boston, MA 02111-1307, USA. */
#include <gconv.h>
+#include <stdint.h>
#include <string.h>
/* Data taken from the WG15 tables. */
@@ -362,248 +363,133 @@ static const char from_ucs4[][2] =
*/
};
-/* Direction of the transformation. */
-static int to_t61_object;
-static int from_t61_object;
+/* Definitions used in the body of the `gconv' function. */
+#define CHARSET_NAME "T.61"
+#define FROM_LOOP from_t_61
+#define TO_LOOP to_t_61
+#define DEFINE_INIT 1
+#define DEFINE_FINI 1
+#define MIN_NEEDED_FROM 1
+#define MAX_NEEDED_FROM 2
+#define MIN_NEEDED_TO 4
+
+/* First define the conversion function from T.61 to UCS4. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define LOOPFCT FROM_LOOP
+#define BODY \
+ { \
+ uint32_t ch = *inptr; \
+ \
+ if (ch >= 0xc1 && ch <= 0xcf) \
+ { \
+ /* Composed character. First test whether the next character \
+ is also available. */ \
+ uint32_t ch2; \
+ \
+ if (NEED_LENGTH_TEST && inptr + 1 >= inend) \
+ { \
+ /* The second character is not available. */ \
+ result = GCONV_INCOMPLETE_INPUT; \
+ break; \
+ } \
+ \
+ ch2 = inptr[1]; \
+ \
+ if (ch2 < 0x20 || ch2 >= 0x80) \
+ { \
+ /* This is illegal. */ \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ ch = to_ucs4_comb[ch - 0xc1][ch2 - 0x20]; \
+ \
+ inptr += 2; \
+ } \
+ else \
+ { \
+ ch = to_ucs4[ch]; \
+ ++inptr; \
+ } \
+ \
+ if (ch == 0 && *inptr != '\0') \
+ { \
+ /* This is an illegal character. */ \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ \
+ *((uint32_t *) outptr)++ = ch; \
+ }
+#include <iconv/loop.c>
+
+
+/* Next, define the other direction. */
+#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
+#define LOOPFCT TO_LOOP
+#define BODY \
+ { \
+ char tmp[2]; \
+ uint32_t ch = *((uint32_t *) inptr); \
+ const char *cp; \
+ \
+ if (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0])) \
+ { \
+ if (ch == 0x2126) \
+ cp = "\xe0"; \
+ else if (ch == 0x2c7) \
+ cp = "\xcf\x20"; \
+ else if (ch < 0x2d8 || ch > 0x2dd) \
+ { \
+ /* Illegal characters. */ \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ else \
+ { \
+ static const char map[5] = "\xc6\xc7\xca\xce\xcd"; \
+ \
+ tmp[0] = map[ch - 0x2d8]; \
+ tmp[1] = ' '; \
+ cp = tmp; \
+ } \
+ } \
+ else \
+ { \
+ cp = from_ucs4[ch]; \
+ \
+ if (cp[0] == '\0' && ch != 0) \
+ { \
+ /* Illegal. */ \
+ result = GCONV_ILLEGAL_INPUT; \
+ break; \
+ } \
+ } \
+ \
+ *outptr++ = cp[0]; \
+ /* Now test for a possible second byte and write this if possible. */ \
+ if (cp[1] != '\0') \
+ { \
+ if (NEED_LENGTH_TEST && outptr >= outend) \
+ { \
+ /* The result does not fit into the buffer. */ \
+ --outptr; \
+ result = GCONV_FULL_OUTPUT; \
+ break; \
+ } \
+ \
+ *outptr++ = cp[1]; \
+ } \
+ \
+ inptr += 4; \
+ }
+#include <iconv/loop.c>
-int
-gconv_init (struct gconv_step *step)
-{
- /* Determine which direction. */
- if (strcasestr (step->from_name, "T.61") != NULL)
- step->data = &from_t61_object;
- else if (strcasestr (step->to_name, "T.61") != NULL)
- step->data = &to_t61_object;
- else
- return GCONV_NOCONV;
-
- return GCONV_OK;
-}
-
-
-void
-gconv_end (struct gconv_step *data)
-{
- /* Nothing to do. */
-}
-
-
-int
-gconv (struct gconv_step *step, struct gconv_step_data *data,
- const char *inbuf, size_t *inbufsize, size_t *written, int do_flush)
-{
- struct gconv_step *next_step = step + 1;
- struct gconv_step_data *next_data = data + 1;
- gconv_fct fct = next_step->fct;
- size_t do_write;
- int result;
-
- /* If the function is called with no input this means we have to reset
- to the initial state. The possibly partly converted input is
- dropped. */
- if (do_flush)
- {
- do_write = 0;
-
- /* Call the steps down the chain if there are any. */
- if (data->is_last)
- result = GCONV_OK;
- else
- {
- struct gconv_step *next_step = step + 1;
- struct gconv_step_data *next_data = data + 1;
-
- result = (*fct) (next_step, next_data, NULL, 0, written, 1);
-
- /* Clear output buffer. */
- data->outbufavail = 0;
- }
- }
- else
- {
- do_write = 0;
-
- do
- {
- result = GCONV_OK;
-
- if (step->data == &from_t61_object)
- {
- size_t inchars = *inbufsize;
- size_t outwchars = data->outbufavail;
- char *outbuf = data->outbuf;
- size_t cnt = 0;
-
- while (cnt < inchars
- && (outwchars + sizeof (wchar_t) <= data->outbufsize))
- {
- int inchar = inbuf[cnt];
- wchar_t ch;
-
- if (inchar >= '\xc1' && inchar <= '\xcf')
- {
- /* Composed character. First test whether the next
- character is also available. */
- int inchar2;
-
- if (cnt + 1 >= inchars)
- {
- /* The second character is not available. Store
- the intermediate result. */
- result = GCONV_INCOMPLETE_INPUT;
- break;
- }
-
- inchar2 = inbuf[++cnt];
-
- if (inchar2 < '\x20' || inchar2 >= '\x80')
- /* This is illegal. */
- ch = L'\0';
- else
- ch = to_ucs4_comb[inchar - 0xc1][inchar2 - 0x20];
-
- if (ch == L'\0')
- /* Undo the increment for illegal characters. */
- --cnt;
- }
- else
- ch = to_ucs4[inchar];
-
- if (ch == L'\0' && inbuf[cnt] != '\0')
- {
- /* This is an illegal character. */
- result = GCONV_ILLEGAL_INPUT;
- break;
- }
-
- *((wchar_t *) (outbuf + outwchars)) = ch;
- ++do_write;
- outwchars += sizeof (wchar_t);
- ++cnt;
- }
- *inbufsize -= cnt;
- inbuf += cnt;
- data->outbufavail = outwchars;
- }
- else
- {
- size_t inwchars = *inbufsize;
- size_t outchars = data->outbufavail;
- char *outbuf = data->outbuf;
- size_t cnt = 0;
- int extra = 0;
-
- while (inwchars >= cnt + sizeof (wchar_t)
- && outchars < data->outbufsize)
- {
- char tmp[2];
- int ch = *((wchar_t *) (inbuf + cnt));
- const char *cp;
-
- if (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0]))
- {
- if (ch == 0x2126)
- cp = "\xe0";
- else if (ch == 0x2c7)
- cp = "\xcf\x20";
- else if (ch < 0x2d8 || ch > 0x2dd)
- /* Illegal characters. */
- break;
- else
- {
- static const char map[5] = "\xc6\xc7\xca\xce\xcd";
-
- tmp[0] = map[ch - 0x2d8];
- tmp[1] = ' ';
- cp = tmp;
- }
- }
- else if (ch < 0 || (from_ucs4[ch][0] == '\0' && ch != 0))
- break;
- else
- cp = from_ucs4[ch];
-
- outbuf[outchars] = cp[0];
- /* Now test for a possible second byte and write this
- if possible. */
- if (cp[1] != '\0')
- {
- if (outchars + 1 >= data->outbufsize)
- {
- /* The result does not fit into the buffer. */
- extra = 1;
- break;
- }
- outbuf[++outchars] = cp[1];
- }
-
- ++do_write;
- ++outchars;
- cnt += sizeof (wchar_t);
- }
- *inbufsize -= cnt;
- inbuf += cnt;
- data->outbufavail = outchars;
-
- if (outchars + extra < data->outbufsize)
- {
- /* If there is still room in the output buffer something
- is wrong with the input. */
- if (inwchars >= cnt + sizeof (wchar_t))
- {
- /* An error occurred. */
- result = GCONV_ILLEGAL_INPUT;
- break;
- }
- if (inwchars != cnt)
- {
- /* There are some unprocessed bytes at the end of the
- input buffer. */
- result = GCONV_INCOMPLETE_INPUT;
- break;
- }
- }
- }
-
- if (result != GCONV_OK)
- break;
-
- if (data->is_last)
- {
- /* This is the last step. */
- result = (*inbufsize > (step->data == &from_t61_object
- ? 0 : sizeof (wchar_t) - 1)
- ? GCONV_FULL_OUTPUT : GCONV_EMPTY_INPUT);
- break;
- }
-
- /* Status so far. */
- result = GCONV_EMPTY_INPUT;
-
- if (data->outbufavail > 0)
- {
- /* Call the functions below in the chain. */
- size_t newavail = data->outbufavail;
-
- result = (*fct) (next_step, next_data, data->outbuf, &newavail,
- written, 0);
-
- /* Correct the output buffer. */
- if (newavail != data->outbufavail && newavail > 0)
- {
- memmove (data->outbuf,
- &data->outbuf[data->outbufavail - newavail],
- newavail);
- data->outbufavail = newavail;
- }
- }
- }
- while (*inbufsize > 0 && result == GCONV_EMPTY_INPUT);
- }
-
- if (written != NULL && data->is_last)
- *written = do_write;
- return result;
-}
+/* Now define the toplevel functions. */
+#include <iconv/skeleton.c>
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