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gisi: Consumer functions for ISI message iterator

This commit is contained in:
Antti Paila 2011-03-03 09:22:39 +02:00 committed by Aki Niemi
parent abe5e87483
commit 1a97158e04
2 changed files with 76 additions and 0 deletions
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63
gisi/iter.c
View File

@ -55,6 +55,7 @@ void g_isi_sb_iter_init_full(GIsiSubBlockIter *iter, const GIsiMessage *msg,
if (data == NULL)
len = used = 0;
iter->cursor = longhdr ? 4 : 2;
iter->start = (uint8_t *)data + used;
iter->end = iter->start + len;
iter->longhdr = longhdr;
@ -70,6 +71,7 @@ void g_isi_sb_iter_init(GIsiSubBlockIter *iter, const GIsiMessage *msg,
if (data == NULL)
len = used = 0;
iter->cursor = 2;
iter->start = (uint8_t *)data + used;
iter->end = iter->start + len;
iter->longhdr = FALSE;
@ -85,6 +87,7 @@ void g_isi_sb_subiter_init(GIsiSubBlockIter *outer, GIsiSubBlockIter *inner,
outer->start + used > outer->end)
len = used = 0;
inner->cursor = 2;
inner->start = outer->start + used;
inner->end = inner->start + len;
inner->longhdr = FALSE;
@ -101,6 +104,7 @@ void g_isi_sb_subiter_init_full(GIsiSubBlockIter *outer,
outer->start + used > outer->end)
len = used = 0;
inner->cursor = longhdr ? 4 : 2;
inner->start = outer->start + used;
inner->end = inner->start + len;
inner->longhdr = longhdr;
@ -188,6 +192,35 @@ gboolean g_isi_sb_iter_get_dword(const GIsiSubBlockIter *restrict iter,
return TRUE;
}
gboolean g_isi_sb_iter_eat_byte(GIsiSubBlockIter *restrict iter,
uint8_t *byte)
{
if (!g_isi_sb_iter_get_byte(iter, byte, iter->cursor))
return FALSE;
iter->cursor += 1;
return TRUE;
}
gboolean g_isi_sb_iter_eat_word(GIsiSubBlockIter *restrict iter,
uint16_t *word)
{
if (!g_isi_sb_iter_get_word(iter, word, iter->cursor))
return FALSE;
iter->cursor += 2;
return TRUE;
}
gboolean g_isi_sb_iter_eat_dword(GIsiSubBlockIter *restrict iter,
uint32_t *dword)
{
if (!g_isi_sb_iter_get_dword(iter, dword, iter->cursor))
return FALSE;
iter->cursor += 4;
return TRUE;
}
gboolean g_isi_sb_iter_get_oper_code(const GIsiSubBlockIter *restrict iter,
char *mcc, char *mnc, unsigned pos)
{
@ -198,6 +231,16 @@ gboolean g_isi_sb_iter_get_oper_code(const GIsiSubBlockIter *restrict iter,
return TRUE;
}
gboolean g_isi_sb_iter_eat_oper_code(GIsiSubBlockIter *restrict iter,
char *mcc, char *mnc)
{
if (!g_isi_sb_iter_get_oper_code(iter, mcc, mnc, iter->cursor))
return FALSE;
iter->cursor += 3;
return TRUE;
}
gboolean g_isi_sb_iter_get_alpha_tag(const GIsiSubBlockIter *restrict iter,
char **utf8, size_t len, unsigned pos)
{
@ -219,6 +262,15 @@ gboolean g_isi_sb_iter_get_alpha_tag(const GIsiSubBlockIter *restrict iter,
return *utf8 != NULL;
}
gboolean g_isi_sb_iter_eat_alpha_tag(GIsiSubBlockIter *restrict iter,
char **utf8, size_t len)
{
if (!g_isi_sb_iter_get_alpha_tag(iter, utf8, len, iter->cursor))
return FALSE;
iter->cursor += len;
return TRUE;
}
gboolean g_isi_sb_iter_get_latin_tag(const GIsiSubBlockIter *restrict iter,
char **latin, size_t len, unsigned pos)
{
@ -243,6 +295,15 @@ gboolean g_isi_sb_iter_get_latin_tag(const GIsiSubBlockIter *restrict iter,
return *latin != NULL;
}
gboolean g_isi_sb_iter_eat_latin_tag(GIsiSubBlockIter *restrict iter,
char **latin, size_t len)
{
if (!g_isi_sb_iter_get_latin_tag(iter, latin, len, iter->cursor))
return FALSE;
iter->cursor += len;
return TRUE;
}
gboolean g_isi_sb_iter_next(GIsiSubBlockIter *iter)
{
uint8_t len = g_isi_sb_iter_get_len(iter);
@ -256,6 +317,8 @@ gboolean g_isi_sb_iter_next(GIsiSubBlockIter *iter)
if (iter->start + len > iter->end)
return FALSE;
iter->cursor = iter->longhdr ? 4 : 2;
iter->start += len;
iter->sub_blocks--;

13
gisi/iter.h
View File

@ -31,6 +31,7 @@ extern "C" {
#include "message.h"
struct _GIsiSubBlockIter {
uint8_t cursor;
uint8_t *start;
uint8_t *end;
gboolean longhdr;
@ -63,12 +64,24 @@ gboolean g_isi_sb_iter_get_word(const GIsiSubBlockIter *restrict iter,
uint16_t *word, unsigned pos);
gboolean g_isi_sb_iter_get_dword(const GIsiSubBlockIter *restrict iter,
uint32_t *dword, unsigned pos);
gboolean g_isi_sb_iter_eat_byte(GIsiSubBlockIter *restrict iter,
uint8_t *byte);
gboolean g_isi_sb_iter_eat_word(GIsiSubBlockIter *restrict iter,
uint16_t *word);
gboolean g_isi_sb_iter_eat_dword(GIsiSubBlockIter *restrict iter,
uint32_t *dword);
gboolean g_isi_sb_iter_get_oper_code(const GIsiSubBlockIter *restrict iter,
char *mcc, char *mnc, unsigned pos);
gboolean g_isi_sb_iter_eat_oper_code(GIsiSubBlockIter *restrict iter,
char *mcc, char *mnc);
gboolean g_isi_sb_iter_get_alpha_tag(const GIsiSubBlockIter *restrict iter,
char **utf8, size_t len, unsigned pos);
gboolean g_isi_sb_iter_eat_alpha_tag(GIsiSubBlockIter *restrict iter,
char **utf8, size_t len);
gboolean g_isi_sb_iter_get_latin_tag(const GIsiSubBlockIter *restrict iter,
char **ascii, size_t len, unsigned pos);
gboolean g_isi_sb_iter_eat_latin_tag(GIsiSubBlockIter *restrict iter,
char **ascii, size_t len);
gboolean g_isi_sb_iter_get_struct(const GIsiSubBlockIter *restrict iter,
void **ptr, size_t len, unsigned pos);