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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; jsstr_t *str;} StringInstance;
static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};static const WCHAR anchorW[] = {'a','n','c','h','o','r',0};static const WCHAR bigW[] = {'b','i','g',0};static const WCHAR blinkW[] = {'b','l','i','n','k',0};static const WCHAR boldW[] = {'b','o','l','d',0};static const WCHAR charAtW[] = {'c','h','a','r','A','t',0};static const WCHAR charCodeAtW[] = {'c','h','a','r','C','o','d','e','A','t',0};static const WCHAR concatW[] = {'c','o','n','c','a','t',0};static const WCHAR fixedW[] = {'f','i','x','e','d',0};static const WCHAR fontcolorW[] = {'f','o','n','t','c','o','l','o','r',0};static const WCHAR fontsizeW[] = {'f','o','n','t','s','i','z','e',0};static const WCHAR indexOfW[] = {'i','n','d','e','x','O','f',0};static const WCHAR italicsW[] = {'i','t','a','l','i','c','s',0};static const WCHAR lastIndexOfW[] = {'l','a','s','t','I','n','d','e','x','O','f',0};static const WCHAR linkW[] = {'l','i','n','k',0};static const WCHAR matchW[] = {'m','a','t','c','h',0};static const WCHAR replaceW[] = {'r','e','p','l','a','c','e',0};static const WCHAR searchW[] = {'s','e','a','r','c','h',0};static const WCHAR sliceW[] = {'s','l','i','c','e',0};static const WCHAR smallW[] = {'s','m','a','l','l',0};static const WCHAR splitW[] = {'s','p','l','i','t',0};static const WCHAR strikeW[] = {'s','t','r','i','k','e',0};static const WCHAR subW[] = {'s','u','b',0};static const WCHAR substringW[] = {'s','u','b','s','t','r','i','n','g',0};static const WCHAR substrW[] = {'s','u','b','s','t','r',0};static const WCHAR supW[] = {'s','u','p',0};static const WCHAR toLowerCaseW[] = {'t','o','L','o','w','e','r','C','a','s','e',0};static const WCHAR toUpperCaseW[] = {'t','o','U','p','p','e','r','C','a','s','e',0};static const WCHAR toLocaleLowerCaseW[] = {'t','o','L','o','c','a','l','e','L','o','w','e','r','C','a','s','e',0};static const WCHAR toLocaleUpperCaseW[] = {'t','o','L','o','c','a','l','e','U','p','p','e','r','C','a','s','e',0};static const WCHAR trimW[] = {'t','r','i','m',0};static const WCHAR localeCompareW[] = {'l','o','c','a','l','e','C','o','m','p','a','r','e',0};static const WCHAR fromCharCodeW[] = {'f','r','o','m','C','h','a','r','C','o','d','e',0};
static inline StringInstance *string_from_jsdisp(jsdisp_t *jsdisp){ return CONTAINING_RECORD(jsdisp, StringInstance, dispex);}
static inline StringInstance *string_from_vdisp(vdisp_t *vdisp){ return string_from_jsdisp(vdisp->u.jsdisp);}
static inline StringInstance *string_this(vdisp_t *jsthis){ return is_vclass(jsthis, JSCLASS_STRING) ? string_from_vdisp(jsthis) : NULL;}
static HRESULT get_string_val(script_ctx_t *ctx, vdisp_t *jsthis, jsstr_t **val){ StringInstance *string;
if((string = string_this(jsthis))) { *val = jsstr_addref(string->str); return S_OK; }
return to_string(ctx, jsval_disp(jsthis->u.disp), val);}
static HRESULT get_string_flat_val(script_ctx_t *ctx, vdisp_t *jsthis, jsstr_t **jsval, const WCHAR **val){ HRESULT hres;
hres = get_string_val(ctx, jsthis, jsval); if(FAILED(hres)) return hres;
*val = jsstr_flatten(*jsval); if(*val) return S_OK;
jsstr_release(*jsval); return E_OUTOFMEMORY;}
static HRESULT String_get_length(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r){ StringInstance *string = string_from_jsdisp(jsthis);
TRACE("%p\n", jsthis);
*r = jsval_number(jsstr_length(string->str)); return S_OK;}
static HRESULT stringobj_to_string(vdisp_t *jsthis, jsval_t *r){ StringInstance *string;
if(!(string = string_this(jsthis))) { WARN("this is not a string object\n"); return E_FAIL; }
if(r) *r = jsval_string(jsstr_addref(string->str)); return S_OK;}
/* ECMA-262 3rd Edition 15.5.4.2 */static HRESULT String_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ TRACE("\n");
return stringobj_to_string(jsthis, r);}
/* ECMA-262 3rd Edition 15.5.4.2 */static HRESULT String_valueOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ TRACE("\n");
return stringobj_to_string(jsthis, r);}
static HRESULT do_attributeless_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, jsval_t *r, const WCHAR *tagname){ unsigned tagname_len; jsstr_t *str, *ret; WCHAR *ptr; HRESULT hres;
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(!r) { jsstr_release(str); return S_OK; }
tagname_len = lstrlenW(tagname);
ret = jsstr_alloc_buf(jsstr_length(str) + 2*tagname_len + 5, &ptr); if(!ret) { jsstr_release(str); return E_OUTOFMEMORY; }
*ptr++ = '<'; memcpy(ptr, tagname, tagname_len*sizeof(WCHAR)); ptr += tagname_len; *ptr++ = '>';
ptr += jsstr_flush(str, ptr); jsstr_release(str);
*ptr++ = '<'; *ptr++ = '/'; memcpy(ptr, tagname, tagname_len*sizeof(WCHAR)); ptr += tagname_len; *ptr = '>';
*r = jsval_string(ret); return S_OK;}
static HRESULT do_attribute_tag_format(script_ctx_t *ctx, vdisp_t *jsthis, unsigned argc, jsval_t *argv, jsval_t *r, const WCHAR *tagname, const WCHAR *attrname){ jsstr_t *str, *attr_value = NULL; HRESULT hres;
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(argc) { hres = to_string(ctx, argv[0], &attr_value); if(FAILED(hres)) { jsstr_release(str); return hres; } }else { attr_value = jsstr_undefined(); }
if(r) { unsigned attrname_len = lstrlenW(attrname); unsigned tagname_len = lstrlenW(tagname); jsstr_t *ret; WCHAR *ptr;
ret = jsstr_alloc_buf(2*tagname_len + attrname_len + jsstr_length(attr_value) + jsstr_length(str) + 9, &ptr); if(ret) { *ptr++ = '<'; memcpy(ptr, tagname, tagname_len*sizeof(WCHAR)); ptr += tagname_len; *ptr++ = ' '; memcpy(ptr, attrname, attrname_len*sizeof(WCHAR)); ptr += attrname_len; *ptr++ = '='; *ptr++ = '"'; ptr += jsstr_flush(attr_value, ptr); *ptr++ = '"'; *ptr++ = '>'; ptr += jsstr_flush(str, ptr);
*ptr++ = '<'; *ptr++ = '/'; memcpy(ptr, tagname, tagname_len*sizeof(WCHAR)); ptr += tagname_len; *ptr = '>';
*r = jsval_string(ret); }else { hres = E_OUTOFMEMORY; } }
jsstr_release(attr_value); jsstr_release(str); return hres;}
static HRESULT String_anchor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR fontW[] = {'A',0}; static const WCHAR colorW[] = {'N','A','M','E',0};
return do_attribute_tag_format(ctx, jsthis, argc, argv, r, fontW, colorW);}
static HRESULT String_big(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR bigtagW[] = {'B','I','G',0}; return do_attributeless_tag_format(ctx, jsthis, r, bigtagW);}
static HRESULT String_blink(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR blinktagW[] = {'B','L','I','N','K',0}; return do_attributeless_tag_format(ctx, jsthis, r, blinktagW);}
static HRESULT String_bold(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR boldtagW[] = {'B',0}; return do_attributeless_tag_format(ctx, jsthis, r, boldtagW);}
/* ECMA-262 3rd Edition 15.5.4.5 */static HRESULT String_charAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsstr_t *str, *ret; INT pos = 0; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(argc) { double d;
hres = to_integer(ctx, argv[0], &d); if(FAILED(hres)) { jsstr_release(str); return hres; } pos = is_int32(d) ? d : -1; }
if(!r) { jsstr_release(str); return S_OK; }
if(0 <= pos && pos < jsstr_length(str)) { ret = jsstr_substr(str, pos, 1); if(!ret) return E_OUTOFMEMORY; }else { ret = jsstr_empty(); }
*r = jsval_string(ret); return S_OK;}
/* ECMA-262 3rd Edition 15.5.4.5 */static HRESULT String_charCodeAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsstr_t *str; DWORD idx = 0; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(argc > 0) { double d;
hres = to_integer(ctx, argv[0], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(!is_int32(d) || d < 0 || d >= jsstr_length(str)) { jsstr_release(str); if(r) *r = jsval_number(NAN); return S_OK; }
idx = d; }
if(r) { WCHAR c; jsstr_extract(str, idx, 1, &c); *r = jsval_number(c); }
jsstr_release(str); return S_OK;}
/* ECMA-262 3rd Edition 15.5.4.6 */static HRESULT String_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsstr_t *ret = NULL, *str; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
switch(argc) { case 0: ret = str; break; case 1: { jsstr_t *arg_str;
hres = to_string(ctx, argv[0], &arg_str); if(FAILED(hres)) { jsstr_release(str); return hres; }
ret = jsstr_concat(str, arg_str); jsstr_release(str); if(!ret) return E_OUTOFMEMORY; break; } default: { const unsigned str_cnt = argc+1; unsigned len = 0, i; jsstr_t **strs; WCHAR *ptr;
strs = heap_alloc_zero(str_cnt * sizeof(*strs)); if(!strs) { jsstr_release(str); return E_OUTOFMEMORY; }
strs[0] = str; for(i=0; i < argc; i++) { hres = to_string(ctx, argv[i], strs+i+1); if(FAILED(hres)) break; }
if(SUCCEEDED(hres)) { for(i=0; i < str_cnt; i++) { len += jsstr_length(strs[i]); if(len > JSSTR_MAX_LENGTH) { hres = E_OUTOFMEMORY; break; } }
if(SUCCEEDED(hres)) { ret = jsstr_alloc_buf(len, &ptr); if(ret) { for(i=0; i < str_cnt; i++) ptr += jsstr_flush(strs[i], ptr); }else { hres = E_OUTOFMEMORY; } } }
while(i--) jsstr_release(strs[i]); heap_free(strs); if(FAILED(hres)) return hres; } }
if(r) *r = jsval_string(ret); else jsstr_release(ret); return S_OK;}
static HRESULT String_fixed(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR fixedtagW[] = {'T','T',0}; return do_attributeless_tag_format(ctx, jsthis, r, fixedtagW);}
static HRESULT String_fontcolor(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR fontW[] = {'F','O','N','T',0}; static const WCHAR colorW[] = {'C','O','L','O','R',0};
return do_attribute_tag_format(ctx, jsthis, argc, argv, r, fontW, colorW);}
static HRESULT String_fontsize(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR fontW[] = {'F','O','N','T',0}; static const WCHAR colorW[] = {'S','I','Z','E',0};
return do_attribute_tag_format(ctx, jsthis, argc, argv, r, fontW, colorW);}
static HRESULT String_indexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ unsigned pos = 0, search_len, length; jsstr_t *search_jsstr, *jsstr; const WCHAR *search_str, *str; INT ret = -1; HRESULT hres;
TRACE("\n");
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str); if(FAILED(hres)) return hres;
if(!argc) { if(r) *r = jsval_number(-1); jsstr_release(jsstr); return S_OK; }
hres = to_flat_string(ctx, argv[0], &search_jsstr, &search_str); if(FAILED(hres)) { jsstr_release(jsstr); return hres; }
search_len = jsstr_length(search_jsstr); length = jsstr_length(jsstr);
if(argc >= 2) { double d;
hres = to_integer(ctx, argv[1], &d); if(SUCCEEDED(hres) && d > 0.0) pos = is_int32(d) ? min(length, d) : length; }
if(SUCCEEDED(hres) && length >= search_len) { const WCHAR *end = str+length-search_len; const WCHAR *ptr;
for(ptr = str+pos; ptr <= end; ptr++) { if(!memcmp(ptr, search_str, search_len*sizeof(WCHAR))) { ret = ptr-str; break; } } }
jsstr_release(search_jsstr); jsstr_release(jsstr); if(FAILED(hres)) return hres;
if(r) *r = jsval_number(ret); return S_OK;}
static HRESULT String_italics(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR italicstagW[] = {'I',0}; return do_attributeless_tag_format(ctx, jsthis, r, italicstagW);}
/* ECMA-262 3rd Edition 15.5.4.8 */static HRESULT String_lastIndexOf(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ unsigned pos = 0, search_len, length; jsstr_t *search_jsstr, *jsstr; const WCHAR *search_str, *str; INT ret = -1; HRESULT hres;
TRACE("\n");
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str); if(FAILED(hres)) return hres;
if(!argc) { if(r) *r = jsval_number(-1); jsstr_release(jsstr); return S_OK; }
hres = to_flat_string(ctx, argv[0], &search_jsstr, &search_str); if(FAILED(hres)) { jsstr_release(jsstr); return hres; }
search_len = jsstr_length(search_jsstr); length = jsstr_length(jsstr);
if(argc >= 2) { double d;
hres = to_integer(ctx, argv[1], &d); if(SUCCEEDED(hres) && d > 0) pos = is_int32(d) ? min(length, d) : length; }else { pos = length; }
if(SUCCEEDED(hres) && length >= search_len) { const WCHAR *ptr;
for(ptr = str+min(pos, length-search_len); ptr >= str; ptr--) { if(!memcmp(ptr, search_str, search_len*sizeof(WCHAR))) { ret = ptr-str; break; } } }
jsstr_release(search_jsstr); jsstr_release(jsstr); if(FAILED(hres)) return hres;
if(r) *r = jsval_number(ret); return S_OK;}
static HRESULT String_link(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR fontW[] = {'A',0}; static const WCHAR colorW[] = {'H','R','E','F',0};
return do_attribute_tag_format(ctx, jsthis, argc, argv, r, fontW, colorW);}
/* ECMA-262 3rd Edition 15.5.4.10 */static HRESULT String_match(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsdisp_t *regexp = NULL; jsstr_t *str; HRESULT hres;
TRACE("\n");
if(!argc) { if(r) *r = jsval_null(); return S_OK; }
if(is_object_instance(argv[0])) { regexp = iface_to_jsdisp(get_object(argv[0])); if(regexp && !is_class(regexp, JSCLASS_REGEXP)) { jsdisp_release(regexp); regexp = NULL; } }
if(!regexp) { jsstr_t *match_str;
hres = to_string(ctx, argv[0], &match_str); if(FAILED(hres)) return hres;
hres = create_regexp(ctx, match_str, 0, ®exp); jsstr_release(match_str); if(FAILED(hres)) return hres; }
hres = get_string_val(ctx, jsthis, &str); if(SUCCEEDED(hres)) hres = regexp_string_match(ctx, regexp, str, r);
jsdisp_release(regexp); jsstr_release(str); return hres;}
typedef struct { WCHAR *buf; DWORD size; DWORD len;} strbuf_t;
static BOOL strbuf_ensure_size(strbuf_t *buf, unsigned len){ WCHAR *new_buf; DWORD new_size;
if(len <= buf->size) return TRUE;
new_size = buf->size ? buf->size<<1 : 16; if(new_size < len) new_size = len; if(buf->buf) new_buf = heap_realloc(buf->buf, new_size*sizeof(WCHAR)); else new_buf = heap_alloc(new_size*sizeof(WCHAR)); if(!new_buf) return FALSE;
buf->buf = new_buf; buf->size = new_size; return TRUE;}
static HRESULT strbuf_append(strbuf_t *buf, const WCHAR *str, DWORD len){ if(!len) return S_OK;
if(!strbuf_ensure_size(buf, buf->len+len)) return E_OUTOFMEMORY;
memcpy(buf->buf+buf->len, str, len*sizeof(WCHAR)); buf->len += len; return S_OK;}
static HRESULT strbuf_append_jsstr(strbuf_t *buf, jsstr_t *str){ if(!strbuf_ensure_size(buf, buf->len+jsstr_length(str))) return E_OUTOFMEMORY;
jsstr_flush(str, buf->buf+buf->len); buf->len += jsstr_length(str); return S_OK;}
static HRESULT rep_call(script_ctx_t *ctx, jsdisp_t *func, jsstr_t *jsstr, const WCHAR *str, match_state_t *match, jsstr_t **ret){ jsval_t *argv; unsigned argc; jsval_t val; jsstr_t *tmp_str; DWORD i; HRESULT hres = S_OK;
argc = match->paren_count+3; argv = heap_alloc_zero(sizeof(*argv)*argc); if(!argv) return E_OUTOFMEMORY;
tmp_str = jsstr_alloc_len(match->cp-match->match_len, match->match_len); if(!tmp_str) hres = E_OUTOFMEMORY; argv[0] = jsval_string(tmp_str);
if(SUCCEEDED(hres)) { for(i=0; i < match->paren_count; i++) { if(match->parens[i].index != -1) tmp_str = jsstr_substr(jsstr, match->parens[i].index, match->parens[i].length); else tmp_str = jsstr_empty(); if(!tmp_str) { hres = E_OUTOFMEMORY; break; } argv[i+1] = jsval_string(tmp_str); } }
if(SUCCEEDED(hres)) { argv[match->paren_count+1] = jsval_number(match->cp-str - match->match_len); argv[match->paren_count+2] = jsval_string(jsstr); }
if(SUCCEEDED(hres)) hres = jsdisp_call_value(func, NULL, DISPATCH_METHOD, argc, argv, &val);
for(i=0; i <= match->paren_count; i++) jsstr_release(get_string(argv[i])); heap_free(argv);
if(FAILED(hres)) return hres;
hres = to_string(ctx, val, ret); jsval_release(val); return hres;}
/* ECMA-262 3rd Edition 15.5.4.11 */static HRESULT String_replace(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ const WCHAR *str, *match_str = NULL, *rep_str = NULL; jsstr_t *rep_jsstr, *match_jsstr, *jsstr; jsdisp_t *rep_func = NULL, *regexp = NULL; match_state_t *match = NULL, last_match = {0}; strbuf_t ret = {NULL,0,0}; DWORD re_flags = REM_NO_CTX_UPDATE|REM_ALLOC_RESULT; DWORD rep_len=0; HRESULT hres = S_OK;
TRACE("\n");
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str); if(FAILED(hres)) return hres;
if(!argc) { if(r) *r = jsval_string(jsstr); else jsstr_release(jsstr); return S_OK; }
if(is_object_instance(argv[0])) { regexp = iface_to_jsdisp(get_object(argv[0])); if(regexp && !is_class(regexp, JSCLASS_REGEXP)) { jsdisp_release(regexp); regexp = NULL; } }
if(!regexp) { hres = to_flat_string(ctx, argv[0], &match_jsstr, &match_str); if(FAILED(hres)) { jsstr_release(jsstr); return hres; } }
if(argc >= 2) { if(is_object_instance(argv[1])) { rep_func = iface_to_jsdisp(get_object(argv[1])); if(rep_func && !is_class(rep_func, JSCLASS_FUNCTION)) { jsdisp_release(rep_func); rep_func = NULL; } }
if(!rep_func) { hres = to_flat_string(ctx, argv[1], &rep_jsstr, &rep_str); if(SUCCEEDED(hres)) rep_len = jsstr_length(rep_jsstr); } }
if(SUCCEEDED(hres)) { const WCHAR *ecp = str;
while(1) { if(regexp) { hres = regexp_match_next(ctx, regexp, re_flags, jsstr, &match); re_flags = (re_flags | REM_CHECK_GLOBAL) & (~REM_ALLOC_RESULT);
if(hres == S_FALSE) { hres = S_OK; break; } if(FAILED(hres)) break;
last_match.cp = match->cp; last_match.match_len = match->match_len; }else { if(re_flags & REM_ALLOC_RESULT) { re_flags &= ~REM_ALLOC_RESULT; match = &last_match; match->cp = str; }
match->cp = wcsstr(match->cp, match_str); if(!match->cp) break; match->match_len = jsstr_length(match_jsstr); match->cp += match->match_len; }
hres = strbuf_append(&ret, ecp, match->cp-ecp-match->match_len); ecp = match->cp; if(FAILED(hres)) break;
if(rep_func) { jsstr_t *cstr;
hres = rep_call(ctx, rep_func, jsstr, str, match, &cstr); if(FAILED(hres)) break;
hres = strbuf_append_jsstr(&ret, cstr); jsstr_release(cstr); if(FAILED(hres)) break; }else if(rep_str && regexp) { const WCHAR *ptr = rep_str, *ptr2;
while((ptr2 = wcschr(ptr, '$'))) { hres = strbuf_append(&ret, ptr, ptr2-ptr); if(FAILED(hres)) break;
switch(ptr2[1]) { case '$': hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+2; break; case '&': hres = strbuf_append(&ret, match->cp-match->match_len, match->match_len); ptr = ptr2+2; break; case '`': hres = strbuf_append(&ret, str, match->cp-str-match->match_len); ptr = ptr2+2; break; case '\'': hres = strbuf_append(&ret, ecp, (str+jsstr_length(jsstr))-ecp); ptr = ptr2+2; break; default: { DWORD idx;
if(!iswdigit(ptr2[1])) { hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+1; break; }
idx = ptr2[1] - '0'; if(iswdigit(ptr2[2]) && idx*10 + (ptr2[2]-'0') <= match->paren_count) { idx = idx*10 + (ptr[2]-'0'); ptr = ptr2+3; }else if(idx && idx <= match->paren_count) { ptr = ptr2+2; }else { hres = strbuf_append(&ret, ptr2, 1); ptr = ptr2+1; break; }
if(match->parens[idx-1].index != -1) hres = strbuf_append(&ret, str+match->parens[idx-1].index, match->parens[idx-1].length); } }
if(FAILED(hres)) break; }
if(SUCCEEDED(hres)) hres = strbuf_append(&ret, ptr, (rep_str+rep_len)-ptr); if(FAILED(hres)) break; }else if(rep_str) { hres = strbuf_append(&ret, rep_str, rep_len); if(FAILED(hres)) break; }else { static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d'};
hres = strbuf_append(&ret, undefinedW, ARRAY_SIZE(undefinedW)); if(FAILED(hres)) break; }
if(!regexp) break; else if(!match->match_len) match->cp++; }
if(SUCCEEDED(hres)) hres = strbuf_append(&ret, ecp, str+jsstr_length(jsstr)-ecp); }
if(rep_func) jsdisp_release(rep_func); if(rep_str) jsstr_release(rep_jsstr); if(match_str) jsstr_release(match_jsstr); if(regexp) heap_free(match);
if(SUCCEEDED(hres) && last_match.cp && regexp) { jsstr_release(ctx->last_match); ctx->last_match = jsstr_addref(jsstr); ctx->last_match_index = last_match.cp-str-last_match.match_len; ctx->last_match_length = last_match.match_len; }
if(regexp) jsdisp_release(regexp); jsstr_release(jsstr);
if(SUCCEEDED(hres) && r) { jsstr_t *ret_str;
ret_str = jsstr_alloc_len(ret.buf, ret.len); if(!ret_str) return E_OUTOFMEMORY;
TRACE("= %s\n", debugstr_jsstr(ret_str)); *r = jsval_string(ret_str); }
heap_free(ret.buf); return hres;}
static HRESULT String_search(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsdisp_t *regexp = NULL; const WCHAR *str; jsstr_t *jsstr; match_state_t match, *match_ptr = &match; HRESULT hres;
TRACE("\n");
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str); if(FAILED(hres)) return hres;
if(!argc) { if(r) *r = jsval_null(); jsstr_release(jsstr); return S_OK; }
if(is_object_instance(argv[0])) { regexp = iface_to_jsdisp(get_object(argv[0])); if(regexp && !is_class(regexp, JSCLASS_REGEXP)) { jsdisp_release(regexp); regexp = NULL; } }
if(!regexp) { hres = create_regexp_var(ctx, argv[0], NULL, ®exp); if(FAILED(hres)) { jsstr_release(jsstr); return hres; } }
match.cp = str; hres = regexp_match_next(ctx, regexp, REM_RESET_INDEX|REM_NO_PARENS, jsstr, &match_ptr); jsstr_release(jsstr); jsdisp_release(regexp); if(FAILED(hres)) return hres;
if(r) *r = jsval_number(hres == S_OK ? match.cp-match.match_len-str : -1); return S_OK;}
/* ECMA-262 3rd Edition 15.5.4.13 */static HRESULT String_slice(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ int start=0, end, length; jsstr_t *str; double d; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
length = jsstr_length(str); if(argc) { hres = to_integer(ctx, argv[0], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(is_int32(d)) { start = d; if(start < 0) { start = length + start; if(start < 0) start = 0; }else if(start > length) { start = length; } }else if(d > 0) { start = length; } }
if(argc >= 2) { hres = to_integer(ctx, argv[1], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(is_int32(d)) { end = d; if(end < 0) { end = length + end; if(end < 0) end = 0; }else if(end > length) { end = length; } }else { end = d < 0.0 ? 0 : length; } }else { end = length; }
if(end < start) end = start;
if(r) { jsstr_t *retstr = jsstr_substr(str, start, end-start); if(!retstr) { jsstr_release(str); return E_OUTOFMEMORY; }
*r = jsval_string(retstr); }
jsstr_release(str); return S_OK;}
static HRESULT String_small(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR smalltagW[] = {'S','M','A','L','L',0}; return do_attributeless_tag_format(ctx, jsthis, r, smalltagW);}
static HRESULT String_split(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ match_state_t match_result, *match_ptr = &match_result; size_t length, i = 0, match_len = 0; const WCHAR *ptr, *ptr2, *str, *match_str = NULL; unsigned limit = ~0u; jsdisp_t *array, *regexp = NULL; jsstr_t *jsstr, *match_jsstr, *tmp_str; HRESULT hres;
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str); if(FAILED(hres)) return hres; length = jsstr_length(jsstr);
TRACE("%s\n", debugstr_wn(str, length));
if(!argc || (is_undefined(argv[0]) && ctx->version >= SCRIPTLANGUAGEVERSION_ES5)) { if(!r) return S_OK;
hres = create_array(ctx, 0, &array); if(FAILED(hres)) return hres;
/* NOTE: according to spec, we should respect limit argument here (if provided). * We have a test showing that it's broken in native IE. */ hres = jsdisp_propput_idx(array, 0, jsval_string(jsstr)); if(FAILED(hres)) { jsdisp_release(array); return hres; }
*r = jsval_obj(array); return S_OK; }
if(argc > 1 && !is_undefined(argv[1])) { hres = to_uint32(ctx, argv[1], &limit); if(FAILED(hres)) { jsstr_release(jsstr); return hres; } }
if(is_object_instance(argv[0])) { regexp = iface_to_jsdisp(get_object(argv[0])); if(regexp) { if(!is_class(regexp, JSCLASS_REGEXP)) { jsdisp_release(regexp); regexp = NULL; } } }
if(!regexp) { hres = to_flat_string(ctx, argv[0], &match_jsstr, &match_str); if(FAILED(hres)) { jsstr_release(jsstr); return hres; }
match_len = jsstr_length(match_jsstr); if(!match_len) { jsstr_release(match_jsstr); match_str = NULL; } }
hres = create_array(ctx, 0, &array);
if(SUCCEEDED(hres)) { ptr = str; match_result.cp = str; while(i < limit) { if(regexp) { hres = regexp_match_next(ctx, regexp, REM_NO_PARENS, jsstr, &match_ptr); if(hres != S_OK) break; TRACE("got match %d %d\n", (int)(match_result.cp - match_result.match_len - str), match_result.match_len); if(!match_result.match_len) { /* If an empty string is matched, prevent including any match in the result */ if(!length) { limit = 0; break; } if(match_result.cp == ptr) { match_result.cp++; hres = regexp_match_next(ctx, regexp, REM_NO_PARENS, jsstr, &match_ptr); if(hres != S_OK) break; TRACE("retried, got match %d %d\n", (int)(match_result.cp - match_result.match_len - str), match_result.match_len); } if(!match_result.match_len && match_result.cp == str + length) break; } ptr2 = match_result.cp - match_result.match_len; }else if(match_str) { ptr2 = wcsstr(ptr, match_str); if(!ptr2) break; }else { if(!*ptr) break; ptr2 = ptr+1; }
if(!regexp || ptr2 > ptr || ctx->version >= SCRIPTLANGUAGEVERSION_ES5) { tmp_str = jsstr_alloc_len(ptr, ptr2-ptr); 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; }
if(regexp) ptr = match_result.cp; else if(match_str) ptr = ptr2 + match_len; else ptr++; } }
if(SUCCEEDED(hres) && (match_str || regexp) && i<limit) { DWORD len = (str+length) - ptr;
if(len || match_str || !length || ctx->version >= SCRIPTLANGUAGEVERSION_ES5) { tmp_str = jsstr_alloc_len(ptr, len);
if(tmp_str) { hres = jsdisp_propput_idx(array, i, jsval_string(tmp_str)); jsstr_release(tmp_str); }else { hres = E_OUTOFMEMORY; } } }
if(regexp) jsdisp_release(regexp); if(match_str) jsstr_release(match_jsstr); jsstr_release(jsstr);
if(SUCCEEDED(hres) && r) *r = jsval_obj(array); else jsdisp_release(array);
return hres;}
static HRESULT String_strike(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR striketagW[] = {'S','T','R','I','K','E',0}; return do_attributeless_tag_format(ctx, jsthis, r, striketagW);}
static HRESULT String_sub(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR subtagW[] = {'S','U','B',0}; return do_attributeless_tag_format(ctx, jsthis, r, subtagW);}
/* ECMA-262 3rd Edition 15.5.4.15 */static HRESULT String_substring(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ INT start=0, end, length; jsstr_t *str; double d; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
length = jsstr_length(str); if(argc >= 1) { hres = to_integer(ctx, argv[0], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(d >= 0) start = is_int32(d) ? min(length, d) : length; }
if(argc >= 2) { hres = to_integer(ctx, argv[1], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(d >= 0) end = is_int32(d) ? min(length, d) : length; else end = 0; }else { end = length; }
if(start > end) { INT tmp = start; start = end; end = tmp; }
if(r) { jsstr_t *ret = jsstr_substr(str, start, end-start); if(ret) *r = jsval_string(ret); else hres = E_OUTOFMEMORY; } jsstr_release(str); return hres;}
/* ECMA-262 3rd Edition B.2.3 */static HRESULT String_substr(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ int start=0, len, length; jsstr_t *str; double d; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
length = jsstr_length(str); if(argc >= 1) { hres = to_integer(ctx, argv[0], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(d >= 0) start = is_int32(d) ? min(length, d) : length; }
if(argc >= 2) { hres = to_integer(ctx, argv[1], &d); if(FAILED(hres)) { jsstr_release(str); return hres; }
if(d >= 0.0) len = is_int32(d) ? min(length-start, d) : length-start; else len = 0; }else { len = length-start; }
hres = S_OK; if(r) { jsstr_t *ret = jsstr_substr(str, start, len); if(ret) *r = jsval_string(ret); else hres = E_OUTOFMEMORY; }
jsstr_release(str); return hres;}
static HRESULT String_sup(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ static const WCHAR suptagW[] = {'S','U','P',0}; return do_attributeless_tag_format(ctx, jsthis, r, suptagW);}
static HRESULT String_toLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsstr_t *str; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(r) { unsigned len = jsstr_length(str); jsstr_t *ret; WCHAR *buf;
ret = jsstr_alloc_buf(len, &buf); if(!ret) { jsstr_release(str); return E_OUTOFMEMORY; }
jsstr_flush(str, buf); for (; len--; buf++) *buf = towlower(*buf);
*r = jsval_string(ret); } jsstr_release(str); return S_OK;}
static HRESULT String_toUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ jsstr_t *str; HRESULT hres;
TRACE("\n");
hres = get_string_val(ctx, jsthis, &str); if(FAILED(hres)) return hres;
if(r) { unsigned len = jsstr_length(str); jsstr_t *ret; WCHAR *buf;
ret = jsstr_alloc_buf(len, &buf); if(!ret) { jsstr_release(str); return E_OUTOFMEMORY; }
jsstr_flush(str, buf); for (; len--; buf++) *buf = towupper(*buf);
*r = jsval_string(ret); } jsstr_release(str); return S_OK;}
static HRESULT String_toLocaleLowerCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ FIXME("\n"); return E_NOTIMPL;}
static HRESULT String_toLocaleUpperCase(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ FIXME("\n"); return E_NOTIMPL;}
static HRESULT String_trim(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ const WCHAR *str, *begin, *end; jsstr_t *jsstr; unsigned len; HRESULT hres;
hres = to_flat_string(ctx, jsval_disp(jsthis->u.disp), &jsstr, &str); if(FAILED(hres)) { WARN("to_flat_string failed: %08x\n", hres); return hres; } len = jsstr_length(jsstr); TRACE("%s\n", debugstr_wn(str, len));
for(begin = str, end = str + len; begin < end && iswspace(*begin); begin++); while(end > begin + 1 && iswspace(*(end-1))) end--;
if(r) { jsstr_t *ret;
if(begin == str && end == str + len) ret = jsstr_addref(jsstr); else ret = jsstr_alloc_len(begin, end - begin); if(ret) *r = jsval_string(ret); else hres = E_OUTOFMEMORY; } jsstr_release(jsstr); return hres;}
static HRESULT String_localeCompare(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ FIXME("\n"); return E_NOTIMPL;}
static HRESULT String_get_value(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r){ StringInstance *This = string_from_jsdisp(jsthis);
TRACE("\n");
*r = jsval_string(jsstr_addref(This->str)); return S_OK;}
static void String_destructor(jsdisp_t *dispex){ StringInstance *This = string_from_jsdisp(dispex);
jsstr_release(This->str); heap_free(This);}
static unsigned String_idx_length(jsdisp_t *jsdisp){ StringInstance *string = string_from_jsdisp(jsdisp);
/* * NOTE: For invoke version < 2, indexed array is not implemented at all. * Newer jscript.dll versions implement it on string type, not class, * which is not how it should work according to spec. IE9 implements it * properly, but it uses its own JavaScript engine inside MSHTML. We * implement it here, but in the way IE9 and spec work. */ return string->dispex.ctx->version < 2 ? 0 : jsstr_length(string->str);}
static HRESULT String_idx_get(jsdisp_t *jsdisp, unsigned idx, jsval_t *r){ StringInstance *string = string_from_jsdisp(jsdisp); jsstr_t *ret;
ret = jsstr_substr(string->str, idx, 1); if(!ret) return E_OUTOFMEMORY;
TRACE("%p[%u] = %s\n", string, idx, debugstr_jsstr(ret));
*r = jsval_string(ret); return S_OK;}
static const builtin_prop_t String_props[] = { {anchorW, String_anchor, PROPF_METHOD|1}, {bigW, String_big, PROPF_METHOD}, {blinkW, String_blink, PROPF_METHOD}, {boldW, String_bold, PROPF_METHOD}, {charAtW, String_charAt, PROPF_METHOD|1}, {charCodeAtW, String_charCodeAt, PROPF_METHOD|1}, {concatW, String_concat, PROPF_METHOD|1}, {fixedW, String_fixed, PROPF_METHOD}, {fontcolorW, String_fontcolor, PROPF_METHOD|1}, {fontsizeW, String_fontsize, PROPF_METHOD|1}, {indexOfW, String_indexOf, PROPF_METHOD|2}, {italicsW, String_italics, PROPF_METHOD}, {lastIndexOfW, String_lastIndexOf, PROPF_METHOD|2}, {lengthW, NULL,0, String_get_length}, {linkW, String_link, PROPF_METHOD|1}, {localeCompareW, String_localeCompare, PROPF_METHOD|1}, {matchW, String_match, PROPF_METHOD|1}, {replaceW, String_replace, PROPF_METHOD|1}, {searchW, String_search, PROPF_METHOD}, {sliceW, String_slice, PROPF_METHOD}, {smallW, String_small, PROPF_METHOD}, {splitW, String_split, PROPF_METHOD|2}, {strikeW, String_strike, PROPF_METHOD}, {subW, String_sub, PROPF_METHOD}, {substrW, String_substr, PROPF_METHOD|2}, {substringW, String_substring, PROPF_METHOD|2}, {supW, String_sup, PROPF_METHOD}, {toLocaleLowerCaseW, String_toLocaleLowerCase, PROPF_METHOD}, {toLocaleUpperCaseW, String_toLocaleUpperCase, PROPF_METHOD}, {toLowerCaseW, String_toLowerCase, PROPF_METHOD}, {toStringW, String_toString, PROPF_METHOD}, {toUpperCaseW, String_toUpperCase, PROPF_METHOD}, {trimW, String_trim, PROPF_ES5|PROPF_METHOD}, {valueOfW, String_valueOf, PROPF_METHOD}};
static const builtin_info_t String_info = { JSCLASS_STRING, {NULL, NULL,0, String_get_value}, ARRAY_SIZE(String_props), String_props, String_destructor, NULL};
static const builtin_prop_t StringInst_props[] = { {lengthW, NULL,0, String_get_length}};
static const builtin_info_t StringInst_info = { JSCLASS_STRING, {NULL, NULL,0, String_get_value}, ARRAY_SIZE(StringInst_props), StringInst_props, String_destructor, NULL, String_idx_length, String_idx_get};
/* ECMA-262 3rd Edition 15.5.3.2 */static HRESULT StringConstr_fromCharCode(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ WCHAR *ret_str; DWORD i, code; jsstr_t *ret; HRESULT hres;
TRACE("\n");
ret = jsstr_alloc_buf(argc, &ret_str); if(!ret) return E_OUTOFMEMORY;
for(i=0; i<argc; i++) { hres = to_uint32(ctx, argv[i], &code); if(FAILED(hres)) { jsstr_release(ret); return hres; }
ret_str[i] = code; }
if(r) *r = jsval_string(ret); else jsstr_release(ret); return S_OK;}
static HRESULT StringConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ HRESULT hres;
TRACE("\n");
switch(flags) { case INVOKE_FUNC: { jsstr_t *str;
if(argc) { hres = to_string(ctx, argv[0], &str); if(FAILED(hres)) return hres; }else { str = jsstr_empty(); }
*r = jsval_string(str); break; } case DISPATCH_CONSTRUCT: { jsstr_t *str; jsdisp_t *ret;
if(argc) { hres = to_string(ctx, argv[0], &str); if(FAILED(hres)) return hres; }else { str = jsstr_empty(); }
hres = create_string(ctx, str, &ret); if (SUCCEEDED(hres)) *r = jsval_obj(ret); jsstr_release(str); return hres; }
default: FIXME("unimplemented flags: %x\n", flags); return E_NOTIMPL; }
return S_OK;}
static HRESULT string_alloc(script_ctx_t *ctx, jsdisp_t *object_prototype, jsstr_t *str, StringInstance **ret){ StringInstance *string; HRESULT hres;
string = heap_alloc_zero(sizeof(StringInstance)); if(!string) return E_OUTOFMEMORY;
if(object_prototype) hres = init_dispex(&string->dispex, ctx, &String_info, object_prototype); else hres = init_dispex_from_constr(&string->dispex, ctx, &StringInst_info, ctx->string_constr); if(FAILED(hres)) { heap_free(string); return hres; }
string->str = jsstr_addref(str); *ret = string; return S_OK;}
static const builtin_prop_t StringConstr_props[] = { {fromCharCodeW, StringConstr_fromCharCode, PROPF_METHOD},};
static const builtin_info_t StringConstr_info = { JSCLASS_FUNCTION, DEFAULT_FUNCTION_VALUE, ARRAY_SIZE(StringConstr_props), StringConstr_props, NULL, NULL};
HRESULT create_string_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret){ StringInstance *string; HRESULT hres;
static const WCHAR StringW[] = {'S','t','r','i','n','g',0};
hres = string_alloc(ctx, object_prototype, jsstr_empty(), &string); if(FAILED(hres)) return hres;
hres = create_builtin_constructor(ctx, StringConstr_value, StringW, &StringConstr_info, PROPF_CONSTR|1, &string->dispex, ret);
jsdisp_release(&string->dispex); return hres;}
HRESULT create_string(script_ctx_t *ctx, jsstr_t *str, jsdisp_t **ret){ StringInstance *string; HRESULT hres;
hres = string_alloc(ctx, NULL, str, &string); if(FAILED(hres)) return hres;
*ret = &string->dispex; return S_OK;
}