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javascript.cpp
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javascript.cpp
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <cstring>
#include <string>
#include <fstream>
#include <list>
#ifdef _WIN32
#include <Shlwapi.h> // For PathIsRelative
#include "win32/dirent-win32.h"
#include "win32/hexchat-plugin.h"
#else
#include <dirent.h>
#include <hexchat-plugin.h>
#endif
#include <jsapi.h>
#define HJS_VERSION_STR "0.3"
#define HJS_VERSION_FLOAT 0.3
#define JSSTRING_TO_CHAR(jsstr) JS_EncodeString(context, jsstr)
#define DEFINE_GLOBAL_PROP(name, value) JS_DefineProperty (*cx, *globals, name, value, nullptr, nullptr, \
JSPROP_READONLY|JSPROP_PERMANENT)
#ifdef _WIN32
#define DIR_SEP '\\'
#else
#define DIR_SEP '/'
#endif
using namespace std;
static hexchat_plugin *ph;
static char* name = "javascript";
static char* version = HJS_VERSION_STR;
static char* description = "Javascript scripting interface";
static const char* help = "Usage: JS <command>\n Use LOAD, UNLOAD, RELOAD or Window > Plugins… to manage scripts.";
static JSRuntime *interp_rt;
static JSContext *interp_cx;
static JSObject *interp_globals;
static JSClass global_class = {"global", JSCLASS_GLOBAL_FLAGS,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS};
static JSClass list_entry_class = {"list_entry", JSPROP_READONLY|JSPROP_ENUMERATE,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub,
JSCLASS_NO_OPTIONAL_MEMBERS};
enum hook_type
{
HOOK_CMD,
HOOK_PRINT,
HOOK_SERVER,
HOOK_TIMER,
HOOK_UNLOAD
};
typedef struct
{
JSContext* context;
JSObject* callback;
JSObject* userdata;
hexchat_hook* hook;
hook_type type;
} script_hook;
class js_script
{
private:
JSRuntime* runtime;
JSObject* globals;
string desc;
string version;
public:
JSContext* context;
string name;
void* gui;
string filename;
list<script_hook*> hooks;
js_script (string, string);
void add_hook (script_hook*, hook_type, JSContext*, JSObject*, JSObject*, hexchat_hook*);
void remove_hook (script_hook*);
~js_script ();
};
static list<js_script*> js_script_list;
/* utility functions */
static string
hjs_util_expandfile (string file)
{
string expanded = file;
bool absolute = false;
#ifdef _WIN32
if (!PathIsRelative(file.c_str()))
absolute = true;
#else
if (file[0] == '/')
absolute = true;
#endif
if (!absolute)
{
#ifndef _WIN32
if (file[0] == '~')
expanded = string(getenv("HOME")) + DIR_SEP + file.substr(2);
else
#endif
expanded = string(hexchat_get_info (ph, "configdir")) + DIR_SEP + "addons" + DIR_SEP + file;
}
return expanded;
}
static string
hjs_util_shrinkfile (string file)
{
return file.substr (file.rfind(DIR_SEP) + 1);
}
// http://insanecoding.blogspot.com/2011/11/how-to-read-in-file-in-c.html
static string
hjs_util_getcontents (string filename)
{
ifstream in(filename, ios::in | ios::binary);
if (in.good())
{
string contents;
in.seekg(0, ios::end);
contents.resize(in.tellg());
in.seekg(0, ios::beg);
in.read(&contents[0], contents.size());
in.close();
return(contents);
}
return "";
}
static bool
hjs_util_isscript (string file)
{
if (file.find(".js", file.length() - 3) != string::npos)
return true;
return false;
}
static jsval
hjs_util_buildword (JSContext* context, char* word[])
{
JSObject* wordlist = JS_NewArrayObject (context, 0, nullptr);
for (int i = 0; word[i][0]; i++)
{
JSString* str = JS_NewStringCopyZ (context, word[i]);
JS_DefineElement (context, wordlist, i, STRING_TO_JSVAL(str), nullptr, nullptr,
JSPROP_READONLY|JSPROP_PERMANENT|JSPROP_ENUMERATE);
}
return OBJECT_TO_JSVAL(wordlist);
}
// from gjs/jsapi-util.c
static jsval
hjs_util_datefromtime (JSContext *context, time_t server_time)
{
JSObject *date;
JSClass *date_class;
JSObject *date_constructor;
jsval date_prototype;
jsval args[1];
struct tm *timeinfo;
// Use current time if no time is given
if (server_time == 0)
{
server_time = time(0);
timeinfo = localtime(&server_time);
server_time = mktime(timeinfo);
}
if (!JS_EnterLocalRootScope(context))
return JSVAL_VOID;
if (!JS_GetClassObject(context, JS_GetGlobalObject(context), JSProto_Date, &date_constructor))
return JSVAL_VOID;
if (!JS_GetProperty(context, date_constructor, "prototype", &date_prototype))
return JSVAL_VOID;
date_class = JS_GET_CLASS(context, JSVAL_TO_OBJECT (date_prototype));
if (!JS_NewNumberValue(context, ((double) server_time) * 1000, &(args[0])))
return JSVAL_VOID;
date = JS_ConstructObjectWithArguments(context, date_class, nullptr, nullptr, 1, args);
JS_LeaveLocalRootScope(context);
return OBJECT_TO_JSVAL(date);
}
static time_t
hjs_util_timefromdate (JSContext *context, JSObject *date)
{
jsval retval;
double time;
if (!JS_CallFunctionName(context, date, "getTime", 0, nullptr, &retval))
return (time_t)0;
if (JSVAL_IS_NUMBER(retval))
{
if (JS_ValueToNumber(context, retval, &time))
return (time_t)(time / 1000);
}
return (time_t)0;
}
static jsval
hjs_util_pointer_to_jsval(JSContext *context, const void *ptr)
{
string ctxstr = std::to_string((unsigned long long)ptr);
return STRING_TO_JSVAL(JS_NewStringCopyZ (context, ctxstr.c_str()));
}
/* script functions */
static js_script*
hjs_script_find (string name)
{
// searches by filename OR scriptname
for (js_script* script : js_script_list)
if (script->filename == name
|| hjs_util_shrinkfile(script->filename) == name
|| script->name == name)
return script;
return nullptr;
}
static js_script*
hjs_script_find (JSContext* context)
{
for (js_script* script : js_script_list)
if (script->context == context)
return script;
return nullptr;
}
static hexchat_plugin*
hjs_script_gethandle (JSContext* context)
{
js_script* script = hjs_script_find (context);
if (script != nullptr && script->gui != nullptr)
return (hexchat_plugin*)script->gui;
else
return ph;
}
static string
hjs_script_getproperty (JSContext* context, string property, string fallback)
{
JSObject* globals = JS_GetGlobalForScopeChain (context);
JSBool found;
jsval retval;
char* cstr;
string str;
if (context != nullptr
&& JS_HasProperty (context, globals, property.c_str(), &found))
{
if (found)
{
JS_GetProperty (context, globals, property.c_str(), &retval);
cstr = JSSTRING_TO_CHAR(JSVAL_TO_STRING(retval));
str = string(cstr);
JS_free(context, cstr);
return str;
}
}
return fallback;
}
static void
hjs_script_cleanup ()
{
for (js_script* script : js_script_list)
delete script;
}
static bool
hjs_script_load (string file)
{
string src;
if (hjs_util_isscript (file))
{
file = hjs_util_expandfile (file);
src = hjs_util_getcontents (file);
if (!src.empty())
new js_script (file, src);
return true;
}
return false;
}
static bool
hjs_script_unload (string file)
{
js_script* script;
script = hjs_script_find (file);
if (script)
{
js_script_list.remove (script);
delete script;
return true;
}
return false;
}
static bool
hjs_script_reload (string file)
{
string oldfile;
js_script* script;
script = hjs_script_find (file);
if (script)
{
oldfile = script->filename;
hjs_script_unload (oldfile);
hjs_script_load (oldfile);
return true;
}
return false;
}
static void
hjs_script_autoload ()
{
DIR* dir;
dirent* ent;
string file;
string path = hjs_util_expandfile ("");
dir = opendir (path.c_str());
while ((ent = readdir (dir)))
{
file = string(ent->d_name);
if (hjs_util_isscript (file))
hjs_script_load (file);
}
closedir (dir);
}
/* hexchat commands */
static int
hjs_load_cb (char* word[], char* word_eol[], void *userdata)
{
if (hjs_script_load (string(word[2])))
return HEXCHAT_EAT_ALL;
else
return HEXCHAT_EAT_NONE;
}
static int
hjs_unload_cb (char* word[], char* word_eol[], void *userdata)
{
if (hjs_script_unload (string(word[2])))
return HEXCHAT_EAT_ALL;
else
return HEXCHAT_EAT_NONE;
}
static int
hjs_reload_cb (char* word[], char* word_eol[], void *userdata)
{
if (hjs_script_reload (string(word[2])))
return HEXCHAT_EAT_ALL;
else
return HEXCHAT_EAT_NONE;
}
static int
hjs_cmd_cb (char* word[], char* word_eol[], void *userdata)
{
jsval rval = JSVAL_VOID;
JSString* str;
char* ret;
if (word[2][0] != 0)
{
if (JS_EvaluateScript (interp_cx, interp_globals, word_eol[2], strlen (word_eol[2]), "", 0, &rval))
{
str = JS_ValueToString (interp_cx, rval);
if (!JSVAL_IS_VOID(rval) && str != nullptr)
{
ret = JS_EncodeString (interp_cx, str);
// fancy blue message, might be annoying but otherwise confusing
hexchat_printf (ph, "\00318JavaScript Output:\017 %s", ret);
JS_free(interp_cx, ret);
}
}
}
else
hexchat_command (ph, "help js");
return HEXCHAT_EAT_ALL;
}
static void
hjs_print_error (JSContext* context, const char* message, JSErrorReport* report)
{
js_script* script = hjs_script_find (context);
string file;
if (script)
file = hjs_util_shrinkfile (script->filename);
if (!file.empty())
{
hexchat_printf (ph, "\00320JavaScript Error in \"%s\":\017 %s", file.c_str(), message);
hjs_script_unload (file); // It stops executing the script an error, unload it
}
else
hexchat_printf (ph, "\00320JavaScript Error:\017 %s", message);
}
/* callback functions for hooks */
static int
hjs_callback (char* word[], char* word_eol[], hexchat_event_attrs *attrs, void *hook) // server
{
JSContext* context = ((script_hook*)hook)->context;
JSFunction* fun = JS_ValueToFunction (context, OBJECT_TO_JSVAL(((script_hook*)hook)->callback));
jsval argv[4];
jsval rval = JSVAL_VOID;
argv[0] = hjs_util_buildword (context, word+1);
argv[1] = hjs_util_buildword (context, word_eol+1);
argv[2] = hjs_util_datefromtime (context, attrs->server_time_utc);
argv[3] = OBJECT_TO_JSVAL(((script_hook*)hook)->userdata);
JS_CallFunction (context, JS_GetGlobalForScopeChain (context), fun, 4, argv, &rval);
if (JSVAL_IS_VOID(rval))
return HEXCHAT_EAT_NONE;
else
return JSVAL_TO_INT(rval);
}
static int
hjs_callback (char* word[], char* word_eol[], void *hook) // command
{
JSContext* context = ((script_hook*)hook)->context;
JSFunction* fun = JS_ValueToFunction (context, OBJECT_TO_JSVAL(((script_hook*)hook)->callback));
jsval argv[3];
jsval rval = JSVAL_VOID;
argv[0] = hjs_util_buildword (context, word+1);
argv[1] = hjs_util_buildword (context, word_eol+1);
argv[2] = OBJECT_TO_JSVAL(((script_hook*)hook)->userdata);
JS_CallFunction (context, JS_GetGlobalForScopeChain (context), fun, 3, argv, &rval);
if (JSVAL_IS_VOID(rval))
return HEXCHAT_EAT_NONE;
else
return JSVAL_TO_INT(rval);
}
static int
hjs_callback (char* word[], hexchat_event_attrs *attrs, void *hook) // print
{
JSContext* context = ((script_hook*)hook)->context;
JSFunction* fun = JS_ValueToFunction (context, OBJECT_TO_JSVAL(((script_hook*)hook)->callback));
jsval argv[3];
jsval rval = JSVAL_VOID;
argv[0] = hjs_util_buildword (context, word+1);
argv[1] = hjs_util_datefromtime (context, attrs->server_time_utc);
argv[2] = OBJECT_TO_JSVAL(((script_hook*)hook)->userdata);
JS_CallFunction (context, JS_GetGlobalForScopeChain (context), fun, 3, argv, &rval);
if (JSVAL_IS_VOID(rval))
return HEXCHAT_EAT_NONE;
else
return JSVAL_TO_INT(rval);
}
static int
hjs_callback (char* word[], void *hook) // special
{
JSContext* context = ((script_hook*)hook)->context;
JSFunction* fun = JS_ValueToFunction (context, OBJECT_TO_JSVAL(((script_hook*)hook)->callback));
jsval argv[2];
jsval rval = JSVAL_VOID;
argv[0] = hjs_util_buildword (context, word+1);
argv[1] = OBJECT_TO_JSVAL(((script_hook*)hook)->userdata);
JS_CallFunction (context, JS_GetGlobalForScopeChain (context), fun, 2, argv, &rval);
if (JSVAL_IS_VOID(rval))
return HEXCHAT_EAT_NONE;
else
return JSVAL_TO_INT(rval);
}
static int
hjs_callback (void *hook) // timer
{
JSContext* context = ((script_hook*)hook)->context;
JSFunction* fun = JS_ValueToFunction (context, OBJECT_TO_JSVAL(((script_hook*)hook)->callback));
jsval argv[1];
jsval rval = JSVAL_VOID;
argv[0] = OBJECT_TO_JSVAL(((script_hook*)hook)->userdata);
JS_CallFunction (context, JS_GetGlobalForScopeChain (context), fun, 1, argv, &rval);
if (JSVAL_IS_VOID(rval))
return HEXCHAT_EAT_NONE;
else
return JSVAL_TO_INT(rval);
}
/* js functions */
static JSBool
hjs_print (JSContext *context, unsigned argc, jsval *vp)
{
JSObject* obj;
JSString* str;
char* cstr;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "o", &obj))
return JS_FALSE;
str = JS_ValueToString (context, OBJECT_TO_JSVAL(obj));
if (str != nullptr)
{
cstr = JSSTRING_TO_CHAR(str);
hexchat_print (ph, cstr);
JS_free(context, cstr);
}
JS_SET_RVAL (context, vp, JSVAL_VOID);
return JS_TRUE;
}
static JSBool
hjs_emitprint (JSContext *context, unsigned argc, jsval *vp)
{
JSString* name;
JSString* args[5] = { nullptr };
char* carg[5] = { nullptr };
char* cname;
int ret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S/SSSSS",
&name, &args[0], &args[1], &args[2], &args[3], &args[4]))
return JS_FALSE;
// convert all jsstrings
for (int i = 0; args[i]; i++)
carg[i] = JSSTRING_TO_CHAR(args[i]);
cname = JSSTRING_TO_CHAR(name);
ret = hexchat_emit_print (ph, cname, carg[0], carg[1],
carg[2], carg[3], carg[4], nullptr);
JS_free(context, cname);
for (int i = 0; carg[i]; i++)
JS_free(context, carg[i]);
JS_SET_RVAL (context, vp, BOOLEAN_TO_JSVAL(ret));
return JS_TRUE;
}
static JSBool
hjs_emitprintat (JSContext *context, unsigned argc, jsval *vp)
{
JSObject* date;
JSString* name;
JSString* args[5] = { nullptr };
char* carg[5] = { nullptr };
char* cname;
hexchat_event_attrs* attrs;
int ret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "oS/SSSSS",
&date, &name, &args[0], &args[1], &args[2], &args[3], &args[4]))
return JS_FALSE;
// convert all jsstrings
for (int i = 0; args[i]; i++)
carg[i] = JSSTRING_TO_CHAR(args[i]);
cname = JSSTRING_TO_CHAR(name);
attrs = hexchat_event_attrs_create(ph);
attrs->server_time_utc = hjs_util_timefromdate(context, date);
ret = hexchat_emit_print_attrs (ph, attrs, cname, carg[0], carg[1],
carg[2], carg[3], carg[4], nullptr);
hexchat_event_attrs_free(ph, attrs);
JS_free(context, cname);
for (int i = 0; carg[i]; i++)
JS_free(context, carg[i]);
JS_SET_RVAL (context, vp, BOOLEAN_TO_JSVAL(ret));
return JS_TRUE;
}
static JSBool
hjs_command (JSContext *context, unsigned argc, jsval *vp)
{
JSString* cmd;
char* ccmd;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S", &cmd))
return JS_FALSE;
ccmd = JSSTRING_TO_CHAR(cmd);
hexchat_command (ph, ccmd);
JS_free(context, ccmd);
JS_SET_RVAL (context, vp, JSVAL_VOID);
return JS_TRUE;
}
static JSBool
hjs_nickcmp (JSContext *context, unsigned argc, jsval *vp)
{
JSString* nick1;
JSString* nick2;
char* cnick1;
char* cnick2;
int ret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "SS", &nick1, &nick2))
return JS_FALSE;
cnick1 = JSSTRING_TO_CHAR(nick1);
cnick2 = JSSTRING_TO_CHAR(nick2);
ret = hexchat_nickcmp (ph, cnick1, cnick2);
JS_free(context, cnick1);
JS_free(context, cnick2);
JS_SET_RVAL (context, vp, INT_TO_JSVAL (ret));
return JS_TRUE;
}
static JSBool
hjs_strip (JSContext *context, unsigned argc, jsval *vp)
{
JSString* str;
JSString* ret;
char* cstr;
char* cret;
int flags = 3;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S/i", &str, &flags))
return JS_FALSE;
cstr = JSSTRING_TO_CHAR(str);
cret = hexchat_strip (ph, cstr, -1, flags);
JS_free(context, cstr);
if (cret == nullptr)
{
JS_SET_RVAL (context, vp, JSVAL_VOID);
}
else
{
ret = JS_NewStringCopyZ (context, cret);
JS_SET_RVAL (context, vp, STRING_TO_JSVAL(ret));
hexchat_free (ph, cret);
}
return JS_TRUE;
}
static JSBool
hjs_getinfo (JSContext *context, unsigned argc, jsval *vp)
{
JSString* str;
JSString* ret;
char* cstr;
const char* cret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S", &str))
return JS_FALSE;
cstr = JSSTRING_TO_CHAR(str);
cret = hexchat_get_info (ph, cstr);
JS_free(context, cstr);
if (cret == nullptr)
{
JS_SET_RVAL (context, vp, JSVAL_VOID);
}
else
{
ret = JS_NewStringCopyZ (context, cret);
JS_SET_RVAL (context, vp, STRING_TO_JSVAL(ret));
}
return JS_TRUE;
}
static JSBool
hjs_getprefs (JSContext *context, unsigned argc, jsval *vp)
{
JSString* str;
JSString* ret;
char* cstr;
const char* cstrret;
int intret, cret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S", &str))
return JS_FALSE;
cstr = JSSTRING_TO_CHAR(str);
cret = hexchat_get_prefs (ph, cstr, &cstrret, &intret);
JS_free(context, cstr);
switch (cret)
{
case 0: // fail
JS_SET_RVAL (context, vp, JSVAL_VOID);
break;
case 1: // string
ret = JS_NewStringCopyZ (context, cstrret);
JS_SET_RVAL (context, vp, STRING_TO_JSVAL(ret));
break;
case 2: // int
JS_SET_RVAL (context, vp, INT_TO_JSVAL(intret));
break;
case 3: // bool
JS_SET_RVAL (context, vp, BOOLEAN_TO_JSVAL(intret));
break;
}
return JS_TRUE;
}
static JSBool
hjs_getlist (JSContext *context, unsigned argc, jsval *vp)
{
JSString* list_name;
JSObject* js_list;
const char* const *fields;
const char* field;
char* name;
hexchat_list* list = nullptr;
jsval iattr, sattr, tattr;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S", &list_name))
return JS_FALSE;
fields = hexchat_list_fields(ph, "lists");
name = JSSTRING_TO_CHAR(list_name);
for (int i = 0; fields[i]; i++)
{
if (strcmp (fields[i], name) == 0)
{
JS_free(context, name);
name = (char*)fields[i];
break;
}
}
if (name == nullptr)
goto listerr;
js_list = JS_NewArrayObject (context, 0, nullptr);
if (js_list == nullptr)
goto listerr;
list = hexchat_list_get (ph, name);
if (list == nullptr)
goto listerr;
fields = hexchat_list_fields (ph, name);
for (int index = 0; hexchat_list_next (ph, list); index++)
{
JSObject* list_obj = JS_NewObject (context, &list_entry_class, nullptr, nullptr);
if (list_obj == nullptr)
goto listerr;
for (int i = 0; fields[i]; i++)
{
field = fields[i]+1;
switch(fields[i][0])
{
case 's': // string
sattr = STRING_TO_JSVAL(JS_NewStringCopyZ (context, hexchat_list_str (ph, list, field)));
if (!JS_DefineProperty (context, list_obj, field, sattr,
nullptr, nullptr, JSPROP_READONLY|JSPROP_ENUMERATE))
goto listerr;
break;
case 'i': // int
iattr = INT_TO_JSVAL(hexchat_list_int (ph, list, field));
if (!JS_DefineProperty (context, list_obj, field, iattr,
nullptr, nullptr, JSPROP_READONLY|JSPROP_ENUMERATE))
goto listerr;
break;
case 't': // time
tattr = hjs_util_datefromtime (context, hexchat_list_time (ph, list, field));
if (!JS_DefineProperty (context, list_obj, field, tattr,
nullptr, nullptr, JSPROP_READONLY|JSPROP_ENUMERATE))
goto listerr;
break;
case 'p': // pointer
if (!strcmp(field, "context"))
{
const char *ptr = hexchat_list_str (ph, list, field);
sattr = hjs_util_pointer_to_jsval (context, ptr);
if (!JS_DefineProperty (context, list_obj, field, sattr,
nullptr, nullptr, JSPROP_READONLY|JSPROP_ENUMERATE))
goto listerr;
}
// No other pointers exist atm and we couldn't handle them.
break;
}
}
JS_DefineElement (context, js_list, index, OBJECT_TO_JSVAL(list_obj), nullptr, nullptr,
JSPROP_READONLY|JSPROP_PERMANENT|JSPROP_ENUMERATE);
}
hexchat_list_free (ph, list);
JS_SET_RVAL (context, vp, OBJECT_TO_JSVAL(js_list));
return JS_TRUE;
listerr:
if (list)
hexchat_list_free (ph, list);
JS_SET_RVAL (context, vp, JSVAL_VOID);
return JS_FALSE;
}
static JSBool
hjs_findcontext (JSContext *context, unsigned argc, jsval *vp)
{
JSString* network = nullptr;
JSString* channel = nullptr;
char* cnetwork = nullptr;
char* cchannel = nullptr;
jsval ret;
hexchat_context* ctx;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "/SS", &network, &channel))
return JS_FALSE;
if (network && JS_GetStringLength(network))
cnetwork = JSSTRING_TO_CHAR(network);
if (channel && JS_GetStringLength(channel))
cchannel = JSSTRING_TO_CHAR(channel);
ctx = hexchat_find_context (ph, cnetwork, cchannel);
if (cnetwork)
JS_free(context, cnetwork);
if (cchannel)
JS_free(context, cchannel);
if (!ctx)
JS_SET_RVAL (context, vp, JSVAL_NULL);
else
{
ret = hjs_util_pointer_to_jsval (context, ctx);
JS_SET_RVAL (context, vp, ret);
}
return JS_TRUE;
}
static JSBool
hjs_getcontext (JSContext *context, unsigned argc, jsval *vp)
{
hexchat_context* ctx;
string ctxstr;
jsval ret;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), ""))
return JS_FALSE;
ctx = hexchat_get_context (ph);
ret = hjs_util_pointer_to_jsval (context, ctx);
JS_SET_RVAL(context, vp, ret);
return JS_TRUE;
}
static JSBool
hjs_setcontext (JSContext *context, unsigned argc, jsval *vp)
{
unsigned long long ctxaddr;
JSString *ctxstr;
char *ctxcstr;
hexchat_context* ctx;
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "S", &ctxstr))
return JS_FALSE;
ctxcstr = JSSTRING_TO_CHAR(ctxstr);
ctxaddr = strtoull(ctxcstr, NULL, 10);
ctx = (hexchat_context*)ctxaddr;
JS_free (context, ctxcstr);
if (hexchat_set_context (ph, ctx))
JS_SET_RVAL (context, vp, JSVAL_TRUE);
else
JS_SET_RVAL (context, vp, JSVAL_FALSE);
return JS_TRUE;
}
static JSBool
hjs_hookcmd (JSContext *context, unsigned argc, jsval *vp)
{
JSString* cmdstr;
JSString* helpstr = nullptr;
JSObject* funcobj;
JSObject* userdata = nullptr;
jsval ret;
char* chelpstr = nullptr;
char* ccmdstr;
int pri = HEXCHAT_PRI_NORM;
hexchat_hook* hexhook;
script_hook* hook;
js_script* script = hjs_script_find (context);
// these are slightly out of normal order, does jsapi have kwargs?
if (!JS_ConvertArguments (context, argc, JS_ARGV(context, vp), "So/Soi",
&cmdstr, &funcobj, &helpstr, &userdata, &pri))
return JS_FALSE;
if (!JS_ObjectIsFunction (context, funcobj))
return JS_FALSE;
ccmdstr = JSSTRING_TO_CHAR(cmdstr);
if (helpstr)
chelpstr = JSSTRING_TO_CHAR(helpstr);
hook = new script_hook;
hexhook = hexchat_hook_command (ph, ccmdstr, pri, hjs_callback, helpstr ? chelpstr : "", hook);
JS_free(context, ccmdstr);
if (chelpstr)
JS_free(context, chelpstr);
script->add_hook (hook, HOOK_CMD, context, funcobj, userdata, hexhook);