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Sweden-Number/dlls/jscript/jsregexp.c

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <math.h>
#include "jscript.h"
#include "regexp.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
jsdisp_t dispex;
regexp_t *jsregexp;
jsstr_t *str;
INT last_index;
jsval_t last_index_val;
} RegExpInstance;
static const WCHAR sourceW[] = {'s','o','u','r','c','e',0};
static const WCHAR globalW[] = {'g','l','o','b','a','l',0};
static const WCHAR ignoreCaseW[] = {'i','g','n','o','r','e','C','a','s','e',0};
static const WCHAR multilineW[] = {'m','u','l','t','i','l','i','n','e',0};
static const WCHAR lastIndexW[] = {'l','a','s','t','I','n','d','e','x',0};
static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
static const WCHAR execW[] = {'e','x','e','c',0};
static const WCHAR testW[] = {'t','e','s','t',0};
static const WCHAR leftContextW[] =
{'l','e','f','t','C','o','n','t','e','x','t',0};
static const WCHAR rightContextW[] =
{'r','i','g','h','t','C','o','n','t','e','x','t',0};
static const WCHAR idx1W[] = {'$','1',0};
static const WCHAR idx2W[] = {'$','2',0};
static const WCHAR idx3W[] = {'$','3',0};
static const WCHAR idx4W[] = {'$','4',0};
static const WCHAR idx5W[] = {'$','5',0};
static const WCHAR idx6W[] = {'$','6',0};
static const WCHAR idx7W[] = {'$','7',0};
static const WCHAR idx8W[] = {'$','8',0};
static const WCHAR idx9W[] = {'$','9',0};
static inline RegExpInstance *regexp_from_jsdisp(jsdisp_t *jsdisp)
{
return CONTAINING_RECORD(jsdisp, RegExpInstance, dispex);
}
static inline RegExpInstance *regexp_from_vdisp(vdisp_t *vdisp)
{
return regexp_from_jsdisp(vdisp->u.jsdisp);
}
static void set_last_index(RegExpInstance *This, DWORD last_index)
{
This->last_index = last_index;
jsval_release(This->last_index_val);
This->last_index_val = jsval_number(last_index);
}
static HRESULT do_regexp_match_next(script_ctx_t *ctx, RegExpInstance *regexp,
DWORD rem_flags, jsstr_t *jsstr, const WCHAR *str, match_state_t *ret)
{
HRESULT hres;
hres = regexp_execute(regexp->jsregexp, ctx, &ctx->tmp_heap,
str, jsstr_length(jsstr), ret);
if(FAILED(hres))
return hres;
if(hres == S_FALSE) {
if(rem_flags & REM_RESET_INDEX)
set_last_index(regexp, 0);
return S_FALSE;
}
if(!(rem_flags & REM_NO_CTX_UPDATE) && ctx->last_match != jsstr) {
jsstr_release(ctx->last_match);
ctx->last_match = jsstr_addref(jsstr);
}
if(!(rem_flags & REM_NO_CTX_UPDATE)) {
DWORD i, n = min(ARRAY_SIZE(ctx->match_parens), ret->paren_count);
for(i=0; i < n; i++) {
if(ret->parens[i].index == -1) {
ctx->match_parens[i].index = 0;
ctx->match_parens[i].length = 0;
}else {
ctx->match_parens[i].index = ret->parens[i].index;
ctx->match_parens[i].length = ret->parens[i].length;
}
}
if(n < ARRAY_SIZE(ctx->match_parens))
memset(ctx->match_parens+n, 0, sizeof(ctx->match_parens) - n*sizeof(ctx->match_parens[0]));
}
set_last_index(regexp, ret->cp-str);
if(!(rem_flags & REM_NO_CTX_UPDATE)) {
ctx->last_match_index = ret->cp-str-ret->match_len;
ctx->last_match_length = ret->match_len;
}
return S_OK;
}
HRESULT regexp_match_next(script_ctx_t *ctx, jsdisp_t *dispex,
DWORD rem_flags, jsstr_t *jsstr, match_state_t **ret)
{
RegExpInstance *regexp = regexp_from_jsdisp(dispex);
match_state_t *match;
heap_pool_t *mark;
const WCHAR *str;
HRESULT hres;
if((rem_flags & REM_CHECK_GLOBAL) && !(regexp->jsregexp->flags & REG_GLOB)) {
if(rem_flags & REM_ALLOC_RESULT)
*ret = NULL;
return S_FALSE;
}
str = jsstr_flatten(jsstr);
if(!str)
return E_OUTOFMEMORY;
if(rem_flags & REM_ALLOC_RESULT) {
match = alloc_match_state(regexp->jsregexp, NULL, str);
if(!match)
return E_OUTOFMEMORY;
*ret = match;
}
mark = heap_pool_mark(&ctx->tmp_heap);
if(rem_flags & REM_NO_PARENS) {
match = alloc_match_state(regexp->jsregexp, &ctx->tmp_heap, NULL);
if(!match) {
heap_pool_clear(mark);
return E_OUTOFMEMORY;
}
match->cp = (*ret)->cp;
match->match_len = (*ret)->match_len;
}else {
match = *ret;
}
hres = do_regexp_match_next(ctx, regexp, rem_flags, jsstr, str, match);
if(rem_flags & REM_NO_PARENS) {
(*ret)->cp = match->cp;
(*ret)->match_len = match->match_len;
}
heap_pool_clear(mark);
if(hres != S_OK && (rem_flags & REM_ALLOC_RESULT)) {
heap_free(match);
*ret = NULL;
}
return hres;
}
static HRESULT regexp_match(script_ctx_t *ctx, jsdisp_t *dispex, jsstr_t *jsstr, BOOL gflag,
match_result_t **match_result, DWORD *result_cnt)
{
RegExpInstance *This = regexp_from_jsdisp(dispex);
match_result_t *ret = NULL;
match_state_t *result;
DWORD i=0, ret_size = 0;
heap_pool_t *mark;
const WCHAR *str;
HRESULT hres;
mark = heap_pool_mark(&ctx->tmp_heap);
str = jsstr_flatten(jsstr);
if(!str)
return E_OUTOFMEMORY;
result = alloc_match_state(This->jsregexp, &ctx->tmp_heap, str);
if(!result) {
heap_pool_clear(mark);
return E_OUTOFMEMORY;
}
while(1) {
hres = do_regexp_match_next(ctx, This, 0, jsstr, str, result);
if(hres == S_FALSE) {
hres = S_OK;
break;
}
if(FAILED(hres))
break;
if(ret_size == i) {
if(ret) {
match_result_t *old_ret = ret;
ret = heap_realloc(old_ret, (ret_size <<= 1) * sizeof(match_result_t));
if(!ret)
heap_free(old_ret);
}else {
ret = heap_alloc((ret_size=4) * sizeof(match_result_t));
}
if(!ret) {
hres = E_OUTOFMEMORY;
break;
}
}
ret[i].index = result->cp - str - result->match_len;
ret[i++].length = result->match_len;
if(!gflag && !(This->jsregexp->flags & REG_GLOB)) {
hres = S_OK;
break;
}
}
heap_pool_clear(mark);
if(FAILED(hres)) {
heap_free(ret);
return hres;
}
*match_result = ret;
*result_cnt = i;
return S_OK;
}
static HRESULT RegExp_get_source(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
*r = jsval_string(jsstr_addref(regexp_from_jsdisp(jsthis)->str));
return S_OK;
}
static HRESULT RegExp_get_global(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
*r = jsval_bool(!!(regexp_from_jsdisp(jsthis)->jsregexp->flags & REG_GLOB));
return S_OK;
}
static HRESULT RegExp_get_ignoreCase(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
*r = jsval_bool(!!(regexp_from_jsdisp(jsthis)->jsregexp->flags & REG_FOLD));
return S_OK;
}
static HRESULT RegExp_get_multiline(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
*r = jsval_bool(!!(regexp_from_jsdisp(jsthis)->jsregexp->flags & REG_MULTILINE));
return S_OK;
}
static INT index_from_val(script_ctx_t *ctx, jsval_t v)
{
double n;
HRESULT hres;
hres = to_number(ctx, v, &n);
if(FAILED(hres)) {
clear_ei(ctx); /* FIXME: Move ignoring exceptions to to_primitive */
return 0;
}
n = floor(n);
return is_int32(n) ? n : 0;
}
static HRESULT RegExp_get_lastIndex(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
RegExpInstance *regexp = regexp_from_jsdisp(jsthis);
TRACE("\n");
return jsval_copy(regexp->last_index_val, r);
}
static HRESULT RegExp_set_lastIndex(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
{
RegExpInstance *regexp = regexp_from_jsdisp(jsthis);
HRESULT hres;
TRACE("\n");
jsval_release(regexp->last_index_val);
hres = jsval_copy(value, &regexp->last_index_val);
if(FAILED(hres))
return hres;
regexp->last_index = index_from_val(ctx, value);
return S_OK;
}
static HRESULT RegExp_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
RegExpInstance *regexp;
unsigned len, f;
jsstr_t *ret;
WCHAR *ptr;
TRACE("\n");
if(!is_vclass(jsthis, JSCLASS_REGEXP)) {
FIXME("Not a RegExp\n");
return E_NOTIMPL;
}
regexp = regexp_from_vdisp(jsthis);
if(!r)
return S_OK;
len = jsstr_length(regexp->str) + 2;
f = regexp->jsregexp->flags;
if(f & REG_FOLD)
len++;
if(f & REG_GLOB)
len++;
if(f & REG_MULTILINE)
len++;
ret = jsstr_alloc_buf(len, &ptr);
if(!ret)
return E_OUTOFMEMORY;
*ptr++ = '/';
ptr += jsstr_flush(regexp->str, ptr);
*ptr++ = '/';
if(f & REG_FOLD)
*ptr++ = 'i';
if(f & REG_GLOB)
*ptr++ = 'g';
if(f & REG_MULTILINE)
*ptr++ = 'm';
*r = jsval_string(ret);
return S_OK;
}
static HRESULT create_match_array(script_ctx_t *ctx, jsstr_t *input_str,
const match_state_t *result, IDispatch **ret)
{
const WCHAR *input;
jsdisp_t *array;
jsstr_t *str;
DWORD i;
HRESULT hres = S_OK;
static const WCHAR indexW[] = {'i','n','d','e','x',0};
static const WCHAR inputW[] = {'i','n','p','u','t',0};
static const WCHAR lastIndexW[] = {'l','a','s','t','I','n','d','e','x',0};
static const WCHAR zeroW[] = {'0',0};
input = jsstr_flatten(input_str);
if(!input)
return E_OUTOFMEMORY;
hres = create_array(ctx, result->paren_count+1, &array);
if(FAILED(hres))
return hres;
for(i=0; i < result->paren_count; i++) {
if(result->parens[i].index != -1)
str = jsstr_substr(input_str, result->parens[i].index, result->parens[i].length);
else
str = jsstr_empty();
if(!str) {
hres = E_OUTOFMEMORY;
break;
}
hres = jsdisp_propput_idx(array, i+1, jsval_string(str));
jsstr_release(str);
if(FAILED(hres))
break;
}
while(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(array, indexW, jsval_number(result->cp-input-result->match_len));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, lastIndexW, jsval_number(result->cp-input));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, inputW, jsval_string(jsstr_addref(input_str)));
if(FAILED(hres))
break;
str = jsstr_alloc_len(result->cp-result->match_len, result->match_len);
if(!str) {
hres = E_OUTOFMEMORY;
break;
}
hres = jsdisp_propput_name(array, zeroW, jsval_string(str));
jsstr_release(str);
break;
}
if(FAILED(hres)) {
jsdisp_release(array);
return hres;
}
*ret = to_disp(array);
return S_OK;
}
static HRESULT run_exec(script_ctx_t *ctx, vdisp_t *jsthis, jsval_t arg,
jsstr_t **input, match_state_t **result, BOOL *ret)
{
RegExpInstance *regexp;
match_state_t *match;
DWORD last_index = 0;
const WCHAR *string;
jsstr_t *jsstr;
HRESULT hres;
if(!is_vclass(jsthis, JSCLASS_REGEXP)) {
FIXME("Not a RegExp\n");
return E_NOTIMPL;
}
regexp = regexp_from_vdisp(jsthis);
hres = to_flat_string(ctx, arg, &jsstr, &string);
if(FAILED(hres))
return hres;
if(regexp->jsregexp->flags & REG_GLOB) {
if(regexp->last_index < 0) {
jsstr_release(jsstr);
set_last_index(regexp, 0);
*ret = FALSE;
if(input)
*input = jsstr_empty();
return S_OK;
}
last_index = regexp->last_index;
}
match = alloc_match_state(regexp->jsregexp, &ctx->tmp_heap, string+last_index);
if(!match) {
jsstr_release(jsstr);
return E_OUTOFMEMORY;
}
hres = regexp_match_next(ctx, &regexp->dispex, REM_RESET_INDEX, jsstr, &match);
if(FAILED(hres)) {
jsstr_release(jsstr);
return hres;
}
*result = match;
*ret = hres == S_OK;
if(input)
*input = jsstr;
else
jsstr_release(jsstr);
return S_OK;
}
static HRESULT RegExp_exec(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
match_state_t *match;
heap_pool_t *mark;
BOOL b;
jsstr_t *string;
HRESULT hres;
TRACE("\n");
mark = heap_pool_mark(&ctx->tmp_heap);
hres = run_exec(ctx, jsthis, argc ? argv[0] : jsval_string(jsstr_empty()), &string, &match, &b);
if(FAILED(hres)) {
heap_pool_clear(mark);
return hres;
}
if(r) {
if(b) {
IDispatch *ret;
hres = create_match_array(ctx, string, match, &ret);
if(SUCCEEDED(hres))
*r = jsval_disp(ret);
}else {
*r = jsval_null();
}
}
heap_pool_clear(mark);
jsstr_release(string);
return hres;
}
static HRESULT RegExp_test(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
match_state_t *match;
jsstr_t *undef_str;
heap_pool_t *mark;
BOOL b;
HRESULT hres;
TRACE("\n");
mark = heap_pool_mark(&ctx->tmp_heap);
hres = run_exec(ctx, jsthis, argc ? argv[0] : jsval_string(undef_str = jsstr_undefined()), NULL, &match, &b);
heap_pool_clear(mark);
if(!argc)
jsstr_release(undef_str);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_bool(b);
return S_OK;
}
static HRESULT RegExp_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
switch(flags) {
case INVOKE_FUNC:
return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL);
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static void RegExp_destructor(jsdisp_t *dispex)
{
RegExpInstance *This = regexp_from_jsdisp(dispex);
if(This->jsregexp)
regexp_destroy(This->jsregexp);
jsval_release(This->last_index_val);
jsstr_release(This->str);
heap_free(This);
}
static const builtin_prop_t RegExp_props[] = {
{execW, RegExp_exec, PROPF_METHOD|1},
{globalW, NULL,0, RegExp_get_global},
{ignoreCaseW, NULL,0, RegExp_get_ignoreCase},
{lastIndexW, NULL,0, RegExp_get_lastIndex, RegExp_set_lastIndex},
{multilineW, NULL,0, RegExp_get_multiline},
{sourceW, NULL,0, RegExp_get_source},
{testW, RegExp_test, PROPF_METHOD|1},
{toStringW, RegExp_toString, PROPF_METHOD}
};
static const builtin_info_t RegExp_info = {
JSCLASS_REGEXP,
{NULL, RegExp_value, 0},
ARRAY_SIZE(RegExp_props),
RegExp_props,
RegExp_destructor,
NULL
};
static const builtin_prop_t RegExpInst_props[] = {
{globalW, NULL,0, RegExp_get_global},
{ignoreCaseW, NULL,0, RegExp_get_ignoreCase},
{lastIndexW, NULL,0, RegExp_get_lastIndex, RegExp_set_lastIndex},
{multilineW, NULL,0, RegExp_get_multiline},
{sourceW, NULL,0, RegExp_get_source}
};
static const builtin_info_t RegExpInst_info = {
JSCLASS_REGEXP,
{NULL, RegExp_value, 0},
ARRAY_SIZE(RegExpInst_props),
RegExpInst_props,
RegExp_destructor,
NULL
};
static HRESULT alloc_regexp(script_ctx_t *ctx, jsdisp_t *object_prototype, RegExpInstance **ret)
{
RegExpInstance *regexp;
HRESULT hres;
regexp = heap_alloc_zero(sizeof(RegExpInstance));
if(!regexp)
return E_OUTOFMEMORY;
if(object_prototype)
hres = init_dispex(&regexp->dispex, ctx, &RegExp_info, object_prototype);
else
hres = init_dispex_from_constr(&regexp->dispex, ctx, &RegExpInst_info, ctx->regexp_constr);
if(FAILED(hres)) {
heap_free(regexp);
return hres;
}
*ret = regexp;
return S_OK;
}
HRESULT create_regexp(script_ctx_t *ctx, jsstr_t *src, DWORD flags, jsdisp_t **ret)
{
RegExpInstance *regexp;
const WCHAR *str;
HRESULT hres;
str = jsstr_flatten(src);
if(!str)
return E_OUTOFMEMORY;
TRACE("%s %x\n", debugstr_wn(str, jsstr_length(src)), flags);
hres = alloc_regexp(ctx, NULL, &regexp);
if(FAILED(hres))
return hres;
regexp->str = jsstr_addref(src);
regexp->last_index_val = jsval_number(0);
regexp->jsregexp = regexp_new(ctx, &ctx->tmp_heap, str, jsstr_length(regexp->str), flags, FALSE);
if(!regexp->jsregexp) {
WARN("regexp_new failed\n");
jsdisp_release(&regexp->dispex);
return E_FAIL;
}
*ret = &regexp->dispex;
return S_OK;
}
HRESULT create_regexp_var(script_ctx_t *ctx, jsval_t src_arg, jsval_t *flags_arg, jsdisp_t **ret)
{
unsigned flags, opt_len = 0;
const WCHAR *opt = NULL;
jsstr_t *src;
HRESULT hres;
if(is_object_instance(src_arg)) {
jsdisp_t *obj;
obj = iface_to_jsdisp(get_object(src_arg));
if(obj) {
if(is_class(obj, JSCLASS_REGEXP)) {
RegExpInstance *regexp = regexp_from_jsdisp(obj);
hres = create_regexp(ctx, regexp->str, regexp->jsregexp->flags, ret);
jsdisp_release(obj);
return hres;
}
jsdisp_release(obj);
}
}
if(!is_string(src_arg)) {
FIXME("src_arg = %s\n", debugstr_jsval(src_arg));
return E_NOTIMPL;
}
src = get_string(src_arg);
if(flags_arg) {
jsstr_t *opt_str;
if(!is_string(*flags_arg)) {
FIXME("unimplemented for %s\n", debugstr_jsval(*flags_arg));
return E_NOTIMPL;
}
opt_str = get_string(*flags_arg);
opt = jsstr_flatten(opt_str);
if(!opt)
return E_OUTOFMEMORY;
opt_len = jsstr_length(opt_str);
}
hres = parse_regexp_flags(opt, opt_len, &flags);
if(FAILED(hres))
return hres;
return create_regexp(ctx, src, flags, ret);
}
HRESULT regexp_string_match(script_ctx_t *ctx, jsdisp_t *re, jsstr_t *jsstr, jsval_t *r)
{
static const WCHAR indexW[] = {'i','n','d','e','x',0};
static const WCHAR inputW[] = {'i','n','p','u','t',0};
static const WCHAR lastIndexW[] = {'l','a','s','t','I','n','d','e','x',0};
RegExpInstance *regexp = regexp_from_jsdisp(re);
match_result_t *match_result;
unsigned match_cnt, i;
const WCHAR *str;
jsdisp_t *array;
HRESULT hres;
str = jsstr_flatten(jsstr);
if(!str)
return E_OUTOFMEMORY;
if(!(regexp->jsregexp->flags & REG_GLOB)) {
match_state_t *match;
heap_pool_t *mark;
mark = heap_pool_mark(&ctx->tmp_heap);
match = alloc_match_state(regexp->jsregexp, &ctx->tmp_heap, str);
if(!match) {
heap_pool_clear(mark);
return E_OUTOFMEMORY;
}
hres = regexp_match_next(ctx, &regexp->dispex, 0, jsstr, &match);
if(FAILED(hres)) {
heap_pool_clear(mark);
return hres;
}
if(r) {
if(hres == S_OK) {
IDispatch *ret;
hres = create_match_array(ctx, jsstr, match, &ret);
if(SUCCEEDED(hres))
*r = jsval_disp(ret);
}else {
*r = jsval_null();
}
}
heap_pool_clear(mark);
return S_OK;
}
hres = regexp_match(ctx, &regexp->dispex, jsstr, FALSE, &match_result, &match_cnt);
if(FAILED(hres))
return hres;
if(!match_cnt) {
TRACE("no match\n");
if(r)
*r = jsval_null();
return S_OK;
}
hres = create_array(ctx, match_cnt, &array);
if(FAILED(hres))
return hres;
for(i=0; i < match_cnt; i++) {
jsstr_t *tmp_str;
tmp_str = jsstr_substr(jsstr, match_result[i].index, match_result[i].length);
if(!tmp_str) {
hres = E_OUTOFMEMORY;
break;
}
hres = jsdisp_propput_idx(array, i, jsval_string(tmp_str));
jsstr_release(tmp_str);
if(FAILED(hres))
break;
}
while(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(array, indexW, jsval_number(match_result[match_cnt-1].index));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, lastIndexW,
jsval_number(match_result[match_cnt-1].index + match_result[match_cnt-1].length));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, inputW, jsval_string(jsstr));
break;
}
heap_free(match_result);
if(SUCCEEDED(hres) && r)
*r = jsval_obj(array);
else
jsdisp_release(array);
return hres;
}
static HRESULT global_idx(script_ctx_t *ctx, DWORD idx, jsval_t *r)
{
jsstr_t *ret;
ret = jsstr_substr(ctx->last_match, ctx->match_parens[idx].index, ctx->match_parens[idx].length);
if(!ret)
return E_OUTOFMEMORY;
*r = jsval_string(ret);
return S_OK;
}
static HRESULT RegExpConstr_get_idx1(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 0, r);
}
static HRESULT RegExpConstr_get_idx2(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 1, r);
}
static HRESULT RegExpConstr_get_idx3(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 2, r);
}
static HRESULT RegExpConstr_get_idx4(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 3, r);
}
static HRESULT RegExpConstr_get_idx5(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 4, r);
}
static HRESULT RegExpConstr_get_idx6(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 5, r);
}
static HRESULT RegExpConstr_get_idx7(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 6, r);
}
static HRESULT RegExpConstr_get_idx8(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 7, r);
}
static HRESULT RegExpConstr_get_idx9(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
TRACE("\n");
return global_idx(ctx, 8, r);
}
static HRESULT RegExpConstr_get_leftContext(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
jsstr_t *ret;
TRACE("\n");
ret = jsstr_substr(ctx->last_match, 0, ctx->last_match_index);
if(!ret)
return E_OUTOFMEMORY;
*r = jsval_string(ret);
return S_OK;
}
static HRESULT RegExpConstr_get_rightContext(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
jsstr_t *ret;
TRACE("\n");
ret = jsstr_substr(ctx->last_match, ctx->last_match_index+ctx->last_match_length,
jsstr_length(ctx->last_match) - ctx->last_match_index - ctx->last_match_length);
if(!ret)
return E_OUTOFMEMORY;
*r = jsval_string(ret);
return S_OK;
}
static HRESULT RegExpConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
TRACE("\n");
switch(flags) {
case DISPATCH_METHOD:
if(argc) {
if(is_object_instance(argv[0])) {
jsdisp_t *jsdisp = iface_to_jsdisp(get_object(argv[0]));
if(jsdisp) {
if(is_class(jsdisp, JSCLASS_REGEXP)) {
if(argc > 1 && !is_undefined(argv[1])) {
jsdisp_release(jsdisp);
return throw_regexp_error(ctx, JS_E_REGEXP_SYNTAX, NULL);
}
if(r)
*r = jsval_obj(jsdisp);
else
jsdisp_release(jsdisp);
return S_OK;
}
jsdisp_release(jsdisp);
}
}
}
/* fall through */
case DISPATCH_CONSTRUCT: {
jsdisp_t *ret;
HRESULT hres;
if(!argc) {
FIXME("no args\n");
return E_NOTIMPL;
}
hres = create_regexp_var(ctx, argv[0], argc > 1 ? argv+1 : NULL, &ret);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_obj(ret);
else
jsdisp_release(ret);
return S_OK;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static const builtin_prop_t RegExpConstr_props[] = {
{idx1W, NULL,0, RegExpConstr_get_idx1, builtin_set_const},
{idx2W, NULL,0, RegExpConstr_get_idx2, builtin_set_const},
{idx3W, NULL,0, RegExpConstr_get_idx3, builtin_set_const},
{idx4W, NULL,0, RegExpConstr_get_idx4, builtin_set_const},
{idx5W, NULL,0, RegExpConstr_get_idx5, builtin_set_const},
{idx6W, NULL,0, RegExpConstr_get_idx6, builtin_set_const},
{idx7W, NULL,0, RegExpConstr_get_idx7, builtin_set_const},
{idx8W, NULL,0, RegExpConstr_get_idx8, builtin_set_const},
{idx9W, NULL,0, RegExpConstr_get_idx9, builtin_set_const},
{leftContextW, NULL,0, RegExpConstr_get_leftContext, builtin_set_const},
{rightContextW, NULL,0, RegExpConstr_get_rightContext, builtin_set_const}
};
static const builtin_info_t RegExpConstr_info = {
JSCLASS_FUNCTION,
DEFAULT_FUNCTION_VALUE,
ARRAY_SIZE(RegExpConstr_props),
RegExpConstr_props,
NULL,
NULL
};
HRESULT create_regexp_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
{
RegExpInstance *regexp;
HRESULT hres;
static const WCHAR RegExpW[] = {'R','e','g','E','x','p',0};
hres = alloc_regexp(ctx, object_prototype, &regexp);
if(FAILED(hres))
return hres;
hres = create_builtin_constructor(ctx, RegExpConstr_value, RegExpW, &RegExpConstr_info,
PROPF_CONSTR|2, &regexp->dispex, ret);
jsdisp_release(&regexp->dispex);
return hres;
}
HRESULT parse_regexp_flags(const WCHAR *str, DWORD str_len, DWORD *ret)
{
const WCHAR *p;
DWORD flags = 0;
for (p = str; p < str+str_len; p++) {
switch (*p) {
case 'g':
flags |= REG_GLOB;
break;
case 'i':
flags |= REG_FOLD;
break;
case 'm':
flags |= REG_MULTILINE;
break;
case 'y':
flags |= REG_STICKY;
break;
default:
WARN("wrong flag %c\n", *p);
return E_FAIL;
}
}
*ret = flags;
return S_OK;
}
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