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jscript: Split regexp_match function.

This commit is contained in:
Jacek Caban 2008-09-25 00:52:56 +02:00 committed by Alexandre Julliard
parent 136f7933c6
commit b4796499e7
1 changed files with 77 additions and 42 deletions
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119
dlls/jscript/regexp.c
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@ -3297,66 +3297,101 @@ out:
return re;
}
static HRESULT do_regexp_match_next(RegExpInstance *regexp, const WCHAR *str, DWORD len,
const WCHAR **cp, match_result_t **parens, DWORD *parens_size, DWORD *parens_cnt, match_result_t *ret)
{
REMatchState *x, *result;
REGlobalData gData;
DWORD matchlen;
gData.cpbegin = *cp;
gData.cpend = str + len;
gData.start = *cp-str;
gData.skipped = 0;
gData.pool = &regexp->dispex.ctx->tmp_heap;
x = InitMatch(NULL, &gData, regexp->jsregexp, gData.cpend - gData.cpbegin);
if(!x) {
WARN("InitMatch failed\n");
return E_FAIL;
}
x->cp = *cp;
result = MatchRegExp(&gData, x);
if(!gData.ok) {
WARN("MatchRegExp failed\n");
return E_FAIL;
}
if(!result)
return S_FALSE;
if(parens) {
DWORD i;
if(regexp->jsregexp->parenCount > *parens_size) {
match_result_t *new_parens;
if(*parens)
new_parens = heap_realloc(*parens, sizeof(match_result_t)*regexp->jsregexp->parenCount);
else
new_parens = heap_alloc(sizeof(match_result_t)*regexp->jsregexp->parenCount);
if(!new_parens)
return E_OUTOFMEMORY;
*parens = new_parens;
}
*parens_cnt = regexp->jsregexp->parenCount;
for(i=0; i < regexp->jsregexp->parenCount; i++) {
(*parens)[i].str = *cp + result->parens[i].index;
(*parens)[i].len = result->parens[i].length;
}
}
matchlen = (result->cp-*cp) - gData.skipped;
*cp = result->cp;
ret->str = result->cp-matchlen;
ret->len = matchlen;
return S_OK;
}
HRESULT regexp_match(DispatchEx *dispex, const WCHAR *str, DWORD len, BOOL gflag, match_result_t **match_result,
DWORD *result_cnt)
{
RegExpInstance *This = (RegExpInstance*)dispex;
match_result_t *ret = NULL;
match_result_t *ret = NULL, cres;
const WCHAR *cp = str;
REGlobalData gData;
REMatchState *x, *result;
DWORD matchlen;
DWORD i=0, ret_size = 0;
jsheap_t *mark;
size_t length;
HRESULT hres = E_FAIL;
length = len;
HRESULT hres;
mark = jsheap_mark(&This->dispex.ctx->tmp_heap);
gData.pool = &This->dispex.ctx->tmp_heap;
while(1) {
gData.cpbegin = cp;
gData.cpend = str + len;
gData.start = cp-str;
gData.skipped = 0;
x = InitMatch(NULL, &gData, This->jsregexp, length);
if(!x) {
WARN("InitMatch failed\n");
break;
}
x->cp = cp;
result = MatchRegExp(&gData, x);
if(!gData.ok) {
WARN("MatchRegExp failed\n");
break;
}
if(!result) {
hres = do_regexp_match_next(This, str, len, &cp, NULL, NULL, NULL, &cres);
if(hres == S_FALSE) {
hres = S_OK;
break;
}
matchlen = (result->cp-cp) - gData.skipped;
if(FAILED(hres))
return hres;
if(ret)
ret = heap_realloc(ret, (ret_size <<= 1) * sizeof(match_result_t));
else if(ret_size == i)
ret = heap_alloc((ret_size=4) * sizeof(match_result_t));
if(!ret) {
hres = E_OUTOFMEMORY;
break;
if(ret_size == i) {
if(ret)
ret = heap_realloc(ret, (ret_size <<= 1) * sizeof(match_result_t));
else
ret = heap_alloc((ret_size=4) * sizeof(match_result_t));
if(!ret) {
hres = E_OUTOFMEMORY;
break;
}
}
ret[i].str = result->cp-matchlen;
ret[i].len = matchlen;
length -= result->cp-cp;
cp = result->cp;
i++;
ret[i++] = cres;
if(!gflag && !(This->jsregexp->flags & JSREG_GLOB)) {
hres = S_OK;