1
0
forked from GitHub/gf-core

the parser is now fully Unicode compatible

This commit is contained in:
krasimir
2015-05-08 09:23:29 +00:00
parent b961e9a255
commit 365c7bb1d8
3 changed files with 79 additions and 86 deletions

View File

@@ -12,11 +12,13 @@ pgf_match_string_lit(PgfLiteralCallback* self,
{
gu_assert(lin_idx == 0);
size_t offset = *poffset;
while (sentence[offset] && !gu_is_space(sentence[offset]))
offset++;
const uint8_t* buf = (uint8_t*) (sentence + *poffset);
const uint8_t* p = buf;
size_t len = 0;
while (*p && !gu_ucs_is_space(gu_utf8_decode(&p))) {
len = p - buf;
}
size_t len = offset - *poffset;
if (len > 0) {
PgfExprProb* ep = gu_new(PgfExprProb, out_pool);
ep->prob = 0;
@@ -31,10 +33,10 @@ pgf_match_string_lit(PgfLiteralCallback* self,
PgfLiteralStr,
val, len+1,
&expr_lit->lit, out_pool);
memcpy(lit_str->val, sentence+*poffset, len);
memcpy(lit_str->val, buf, len);
lit_str->val[len] = 0;
*poffset = offset;
*poffset += len;
return ep;
} else {
return NULL;
@@ -71,15 +73,17 @@ pgf_match_int_lit(PgfLiteralCallback* self,
{
gu_assert(lin_idx == 0);
size_t offset = *poffset;
while (sentence[offset] && !gu_is_space(sentence[offset]))
offset++;
const uint8_t* buf = (uint8_t*) (sentence + *poffset);
const uint8_t* p = buf;
size_t len = 0;
while (*p && !gu_ucs_is_space(gu_utf8_decode(&p))) {
len = p - buf;
}
size_t len = offset - *poffset;
if (len > 0) {
GuPool* tmp_pool = gu_local_pool();
PgfToken tok = gu_malloc(tmp_pool, len+1);
memcpy((char*) tok, sentence+*poffset, len);
memcpy((char*) tok, buf, len);
((char*) tok)[len] = 0;
int val;
@@ -103,7 +107,7 @@ pgf_match_int_lit(PgfLiteralCallback* self,
&expr_lit->lit, out_pool);
lit_int->val = val;
*poffset = offset;
*poffset += len;
return ep;
} else {
return NULL;
@@ -123,15 +127,17 @@ pgf_match_float_lit(PgfLiteralCallback* self,
{
gu_assert(lin_idx == 0);
size_t offset = *poffset;
while (sentence[offset] && !gu_is_space(sentence[offset]))
offset++;
const uint8_t* buf = (uint8_t*) (sentence + *poffset);
const uint8_t* p = buf;
size_t len = 0;
while (*p && !gu_ucs_is_space(gu_utf8_decode(&p))) {
len = p - buf;
}
size_t len = offset - *poffset;
if (len > 0) {
GuPool* tmp_pool = gu_local_pool();
PgfToken tok = gu_malloc(tmp_pool, len+1);
memcpy((char*) tok, sentence+*poffset, len);
memcpy((char*) tok, buf, len);
((char*) tok)[len] = 0;
double val;
@@ -155,7 +161,7 @@ pgf_match_float_lit(PgfLiteralCallback* self,
&expr_lit->lit, out_pool);
lit_flt->val = val;
*poffset = offset;
*poffset += len;
return ep;
} else {
return NULL;
@@ -181,30 +187,27 @@ pgf_match_name_lit(PgfLiteralCallback* self,
GuOut* out = gu_string_buf_out(sbuf);
GuExn* err = gu_new_exn(tmp_pool);
size_t offset = *poffset;
const uint8_t* buf = (uint8_t*) (sentence + *poffset);
const uint8_t* p = buf;
int i = 0;
while (iswupper(sentence[offset])) {
size_t len = 0;
while (!gu_is_space(sentence[offset+len])) {
len++;
}
PgfToken tok = gu_malloc(tmp_pool, len+1);
memcpy((char*) tok, sentence+offset, len);
((char*) tok)[len] = 0;
GuUCS ucs = gu_utf8_decode(&p);
while (gu_ucs_is_upper(ucs)) {
if (i > 0)
gu_putc(' ', out, err);
gu_string_write(tok, out, err);
gu_out_utf8(ucs, out, err);
ucs = gu_utf8_decode(&p);
while (ucs != 0 && !gu_ucs_is_space(ucs)) {
gu_out_utf8(ucs, out, err);
*poffset = p - ((uint8_t*) sentence);
ucs = gu_utf8_decode(&p);
}
i++;
offset += len;
*poffset = offset;
while (gu_is_space(sentence[offset]))
offset++;
while (gu_ucs_is_space(ucs))
ucs = gu_utf8_decode(&p);
}
PgfExprProb* ep = NULL;