static void scArraySort(const CFunctionsScopePtr &c, void *data) {
CScriptVarPtr arr = c->getArgument("this");
CScriptVarFunctionPtr cmp_fnc;
uint32_t len = arr->getLength();
if(len > 1) {
int args = c->getArgumentsLength();
if(args) {
cmp_fnc = c->getArgument(0);
if(!cmp_fnc) c->throwError(TypeError, "invalid Array.prototype.sort argument");
}
SCRIPTVAR_CHILDS_it begin = lower_bound(arr->Childs.begin(), arr->Childs.end(), "0");
/* in ECMAScript the sort algorithm is not specified
* in some cases sort throws a TypeError e.G. an array element is read-only, non-configurable, getter or setter
* this will result in a partially sorted array
* in worst case the sort algorithm results in an endless loop (more getters with constant return value)
*
* 42TinyJS checks before sort if an element read-only, setter or getter and throws immediately a TypeError
*/
for(SCRIPTVAR_CHILDS_it it = begin; it != arr->Childs.end(); ++it) {
if(!(*it)->isWritable()) c->throwError(TypeError, "property "+(*it)->getName()+" is read-only");
if(!(*it)->isConfigurable()) c->throwError(TypeError, "property "+(*it)->getName()+" is non-configurable");
if(!(*it)->getVarPtr()->isAccessor()) c->throwError(TypeError, "property "+(*it)->getName()+" is a getter and/or a setter");
}
sort(begin, arr->Childs.end(), ::cmp_fnc(c, cmp_fnc));
uint32_t idx = 0;
for(SCRIPTVAR_CHILDS_it it=begin; it != arr->Childs.end(); ++it, ++idx)
(*it)->reName(int2string(idx));
sort(begin, arr->Childs.end(), cmp_by_name);
}
c->setReturnVar(arr);
}
/*
static void scIntegerValueOf(const CFunctionsScopePtr &c, void *) {
string str = c->getArgument("str")->toString();
int val = 0;
if (str.length()==1)
val = str.operator[](0);
c->setReturnVar(c->newScriptVar(val));
}
*/
static void scJSONStringify(const CFunctionsScopePtr &c, void *) {
uint32_t UniqueID = c->getContext()->allocUniqueID();
bool hasRecursion=false;
c->setReturnVar(c->newScriptVar(c->getArgument("obj")->getParsableString("", " ", UniqueID, hasRecursion)));
c->getContext()->freeUniqueID();
if(hasRecursion) c->throwError(TypeError, "cyclic object value");
}
static void scRegExpExec(const CFunctionsScopePtr &c, void *) {
CScriptVarRegExpPtr This = c->getArgument("this");
if(This)
c->setReturnVar(This->exec(c->getArgument("str")->toString()));
else
c->throwError(TypeError, "Object is not a RegExp-Object in exec(str)");
}
//************************************
// Method: getRegExpData
// FullName: getRegExpData
// Access: public static
// Returns: bool true if regexp-param=RegExp-Object / other false
// Qualifier:
// Parameter: const CFunctionsScopePtr & c
// Parameter: const string & regexp - parameter name of the regexp
// Parameter: bool noUndefined - true an undefined regexp aims in "" else in "undefined"
// Parameter: const string & flags - parameter name of the flags
// Parameter: string & substr - rgexp.source
// Parameter: bool & global
// Parameter: bool & ignoreCase
// Parameter: bool & sticky
//************************************
static CScriptVarPtr getRegExpData(const CFunctionsScopePtr &c, const string ®exp, bool noUndefined, const char *flags_argument, string &substr, bool &global, bool &ignoreCase, bool &sticky) {
CScriptVarPtr regexpVar = c->getArgument(regexp);
if(regexpVar->isRegExp()) {
#ifndef NO_REGEXP
CScriptVarRegExpPtr RegExp(regexpVar);
substr = RegExp->Regexp();
ignoreCase = RegExp->IgnoreCase();
global = RegExp->Global();
sticky = RegExp->Sticky();
return RegExp;
#endif /* NO_REGEXP */
} else {
substr.clear();
if(!noUndefined || !regexpVar->isUndefined()) substr = regexpVar->toString();
CScriptVarPtr flagVar;
if(flags_argument && (flagVar = c->getArgument(flags_argument)) && !flagVar->isUndefined()) {
string flags = flagVar->toString();
string::size_type pos = flags.find_first_not_of("gimy");
if(pos != string::npos) {
c->throwError(SyntaxError, string("invalid regular expression flag ")+flags[pos]);
}
global = flags.find_first_of('g')!=string::npos;
ignoreCase = flags.find_first_of('i')!=string::npos;
sticky = flags.find_first_of('y')!=string::npos;
} else
global = ignoreCase = sticky = false;
}
return CScriptVarPtr();
}
static void scStringSearch(const CFunctionsScopePtr &c, void *userdata) {
string str = this2string(c);
string substr;
bool global, ignoreCase, sticky;
getRegExpData(c, "regexp", true, "flags", substr, global, ignoreCase, sticky);
string::const_iterator search_begin=str.begin(), match_begin, match_end;
#ifndef NO_REGEXP
try {
c->setReturnVar(c->newScriptVar(regex_search(str, search_begin, substr, ignoreCase, sticky, match_begin, match_end)?match_begin-search_begin:-1));
} catch(regex_error e) {
c->throwError(SyntaxError, string(e.what())+" - "+CScriptVarRegExp::ErrorStr(e.code()));
}
#else /* NO_REGEXP */
c->setReturnVar(c->newScriptVar(string_search(str, search_begin, substr, ignoreCase, sticky, match_begin, match_end)?match_begin-search_begin:-1));
#endif /* NO_REGEXP */
}
static void scStringMatch(const CFunctionsScopePtr &c, void *) {
string str = this2string(c);
string flags="flags", substr, newsubstr, match;
bool global, ignoreCase, sticky;
CScriptVarRegExpPtr RegExp = getRegExpData(c, "regexp", true, "flags", substr, global, ignoreCase, sticky);
if(!global) {
if(!RegExp)
RegExp = ::newScriptVar(c->getContext(), substr, flags);
if(RegExp) {
try {
c->setReturnVar(RegExp->exec(str));
} catch(regex_error e) {
c->throwError(SyntaxError, string(e.what())+" - "+CScriptVarRegExp::ErrorStr(e.code()));
}
}
} else {
try {
CScriptVarArrayPtr retVar = c->newScriptVar(Array);
int idx=0;
string::size_type offset=0;
global = global && substr.length();
string::const_iterator search_begin=str.begin(), match_begin, match_end;
if(regex_search(str, search_begin, substr, ignoreCase, sticky, match_begin, match_end)) {
do {
offset = match_begin-str.begin();
retVar->addChild(int2string(idx++), c->newScriptVar(string(match_begin, match_end)));
#if 1 /* Fix from "vcmpeq" (see Issue 14) currently untested */
if (match_begin == match_end) {
if (search_begin != str.end())
++search_begin;
else
break;
} else {
search_begin = match_end;
}
#else
search_begin = match_end;
#endif
} while(global && regex_search(str, search_begin, substr, ignoreCase, sticky, match_begin, match_end));
}
if(idx) {
retVar->addChild("input", c->newScriptVar(str));
retVar->addChild("index", c->newScriptVar((int)offset));
c->setReturnVar(retVar);
} else
c->setReturnVar(c->constScriptVar(Null));
} catch(regex_error e) {
c->throwError(SyntaxError, string(e.what())+" - "+CScriptVarRegExp::ErrorStr(e.code()));
}
}
}
static void scStringSplit(const CFunctionsScopePtr &c, void *) {
const string str = this2string(c);
string seperator;
bool global, ignoreCase, sticky;
#ifndef NO_REGEXP
CScriptVarRegExpPtr RegExp = getRegExpData(c, "separator", true, 0, seperator, global, ignoreCase, sticky);
#else
getRegExpData(c, "separator", true, 0, seperator, global, ignoreCase, sticky);
#endif
CScriptVarPtr sep_var = c->getArgument("separator");
CScriptVarPtr limit_var = c->getArgument("limit");
int limit = limit_var->isUndefined() ? 0x7fffffff : limit_var->toNumber().toInt32();
CScriptVarPtr result(c->newScriptVar(Array));
c->setReturnVar(result);
if(limit == 0)
return;
else if(!str.size() || sep_var->isUndefined()) {
result->addChild("0", c->newScriptVar(str));
return;
}
if(seperator.size() == 0) {
for(int i=0; i<min((int)str.size(), limit); ++i)
result->addChild(i, c->newScriptVar(str.substr(i,1)));
return;
}
int length = 0;
string::const_iterator search_begin=str.begin(), match_begin, match_end;
#ifndef NO_REGEXP
smatch match;
#endif
bool found=true;
while(found) {
#ifndef NO_REGEXP
if(RegExp) {
try {
found = regex_search(str, search_begin, seperator, ignoreCase, sticky, match_begin, match_end, match);
} catch(regex_error e) {
c->throwError(SyntaxError, string(e.what())+" - "+CScriptVarRegExp::ErrorStr(e.code()));
}
} else /* NO_REGEXP */
#endif
found = string_search(str, search_begin, seperator, ignoreCase, sticky, match_begin, match_end);
string f;
if(found) {
result->addChild(length++, c->newScriptVar(string(search_begin, match_begin)));
if(length>=limit) break;
#ifndef NO_REGEXP
for(uint32_t i=1; i<match.size(); i++) {
if(match[i].matched)
result->addChild(length++, c->newScriptVar(string(match[i].first, match[i].second)));
else
result->addChild(length++, c->constScriptVar(Undefined));
if(length>=limit) break;
}
if(length>=limit) break;
#endif
search_begin = match_end;
} else {
result->addChild(length++, c->newScriptVar(string(search_begin,str.end())));
if(length>=limit) break;
}
}
}