--- parser3/src/classes/file.C	2001/03/19 20:46:35	1.2
+++ parser3/src/classes/file.C	2003/04/04 14:42:38	1.110
@@ -1,38 +1,661 @@
-/*
-	Parser
-	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+/** @file
+	Parser: @b file parser class.
 
-	$Id: file.C,v 1.2 2001/03/19 20:46:35 paf Exp $
+	Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
+
+	portions by Victor Fedoseev" <vvf_ru@mail.ru> [January 23, 2003]
 */
 
+static const char* IDENT_FILE_C="$Date: 2003/04/04 14:42:38 $";
+
+#include "pa_config_includes.h"
+
+#include "pcre.h"
+
+#include "classes.h"
 #include "pa_request.h"
-#include "_file.h"
 #include "pa_vfile.h"
+#include "pa_table.h"
+#include "pa_vint.h"
+#include "pa_exec.h"
+#include "pa_vdate.h"
+#include "pa_dir.h"
+#include "pa_vtable.h"
+#include "pa_charset.h"
+#include "pa_charsets.h"
+
+// defines
+
+#define TEXT_MODE_NAME "text"
+#define STDIN_EXEC_PARAM_NAME "stdin"
+#define CHARSET_EXEC_PARAM_NAME "charset"
+
+// consts
+
+/// from apache-1.3|src|support|suexec.c 
+static const char *suexec_safe_env_lst[]={
+    "AUTH_TYPE",
+    "CONTENT_LENGTH",
+    "CONTENT_TYPE",
+    "DATE_GMT",
+    "DATE_LOCAL",
+    "DOCUMENT_NAME",
+    "DOCUMENT_PATH_INFO",
+    "DOCUMENT_ROOT",
+    "DOCUMENT_URI",
+    "FILEPATH_INFO",
+    "GATEWAY_INTERFACE",
+    "LAST_MODIFIED",
+    "PATH_INFO",
+    "PATH_TRANSLATED",
+    "QUERY_STRING",
+    "QUERY_STRING_UNESCAPED",
+    "REMOTE_ADDR",
+    "REMOTE_HOST",
+    "REMOTE_IDENT",
+    "REMOTE_PORT",
+    "REMOTE_USER",
+    "REDIRECT_QUERY_STRING",
+    "REDIRECT_STATUS",
+    "REDIRECT_URL",
+    "REQUEST_METHOD",
+    "REQUEST_URI",
+    "SCRIPT_FILENAME",
+    "SCRIPT_NAME",
+    "SCRIPT_URI",
+    "SCRIPT_URL",
+    "SERVER_ADMIN",
+    "SERVER_NAME",
+    "SERVER_ADDR",
+    "SERVER_PORT",
+    "SERVER_PROTOCOL",
+    "SERVER_SOFTWARE",
+    "UNIQUE_ID",
+    "USER_NAME",
+    "TZ",
+    NULL
+};
 
-// global var
+// class
 
-VStateless_class *file_base_class;
+class MFile : public Methoded {
+public: // VStateless_class
+	
+	Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); }
+
+public: // Methoded
+	bool used_directly() { return true; }
+
+public:
+	MFile(Pool& pool);
+
+};
 
 // methods
 
-static void _save(Request& r, const String& method_name, Array *params) {
-	//\Pool& pool=r.pool();
-	Value *vfile_name=static_cast<Value *>(params->get(0));
-	// forcing
-	// ^save{this body type}
-	r.fail_if_junction_(false, *vfile_name, method_name, "file name must be junction");
+static void _save(Request& r, const String&, MethodParams *params) {
+	Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
+	Value& vfile_name=params->as_no_junction(1, "file name must not be code");
+
+	// save
+	static_cast<VFile *>(r.get_self())->save(r.absolute(vfile_name.as_string()),
+		vmode_name.as_string()==TEXT_MODE_NAME);
+}
+
+static void _delete(Request& r, const String&, MethodParams *params) {
+	Value& vfile_name=params->as_no_junction(0, "file name must not be code");
+
+	// unlink
+	file_delete(r.absolute(vfile_name.as_string()));
+}
+
+static void _move(Request& r, const String&, MethodParams *params) {
+	Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code");
+	Value& vto_file_name=params->as_no_junction(1, "to file name must not be code");
+
+	// move
+	file_move(
+		r.absolute(vfrom_file_name.as_string()),
+		r.absolute(vto_file_name.as_string()));
+}
+
+static void _load_pass_param(const Hash::Key& key, Hash::Val *value, void *info) {
+	Hash& dest=*static_cast<Hash *>(info);
+	dest.put(key, value);
+}
+static void _load(Request& r, const String& method_name, MethodParams *params) {
+	Pool& pool=r.pool();
+	Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
+	const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string());
+	Value *third_param=params->size()>2?&params->as_no_junction(2, "filename or options must not be code"):0;
+	Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0;
+	int alt_filename_param_index=2;
+	if(third_param_hash)
+		alt_filename_param_index++;
+
+	void *data;  size_t size;
+	Hash *fields=0;
+	file_read(pool, lfile_name, data, size, 
+		vmode_name.as_string()==TEXT_MODE_NAME,
+		third_param_hash,
+		&fields
+	);
+
+	char *user_file_name=params->size()>alt_filename_param_index?
+		params->as_string(alt_filename_param_index, "filename must be string").cstr(String::UL_FILE_SPEC)
+		:lfile_name.cstr(String::UL_FILE_SPEC);
+
+	Value *vcontent_type=0;
+	if(fields)
+		vcontent_type=static_cast<Value *>(fields->get(*content_type_name));
+	if(!vcontent_type)
+		vcontent_type=new(pool) VString(r.mime_type_of(user_file_name));
+	
+	VFile& self=*static_cast<VFile *>(r.get_self());
+	self.set(true/*tainted*/, data, size, user_file_name, vcontent_type);
+	if(fields)
+		fields->for_each(_load_pass_param, &self.fields());
+}
+
+static void _stat(Request& r, const String& method_name, MethodParams *params) {
+	Pool& pool=r.pool();
+	Value& vfile_name=params->as_no_junction(0, "file name must not be code");
+
+	const String& lfile_name=vfile_name.as_string();
+
+	size_t size;
+	time_t atime, mtime, ctime;
+	file_stat(r.absolute(lfile_name),
+		size,
+		atime, mtime, ctime);
+	
+	VFile& vfile=*static_cast<VFile *>(r.get_self());
+	vfile.set(true/*tainted*/, 0/*no bytes*/, size);
+	Hash& ff=vfile.fields();
+	ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime));
+	ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime));
+	ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime));
+	ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC))));
+}
+
+static bool is_safe_env_key(const char *key) {
+	if(strncasecmp(key, "HTTP_", 5)==0)
+		return true;
+	if(strncasecmp(key, "CGI_", 4)==0)
+		return true;
+	for(int i=0; suexec_safe_env_lst[i]; i++) {
+		if(strcasecmp(key, suexec_safe_env_lst[i])==0)
+			return true;
+	}
+	return false;
+}
+#ifndef DOXYGEN
+struct Append_env_pair_info {
+	Hash* hash;
+	Value* vstdin;
+	Value* vcharset;
+};
+#endif
+static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) {
+	Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info);
+	Value& value=*static_cast<Value *>(avalue);
+
+	if(key==STDIN_EXEC_PARAM_NAME) {
+		pi.vstdin=&value;
+	} else if(key==CHARSET_EXEC_PARAM_NAME) {
+		pi.vcharset=&value;
+	} else {
+		if(!is_safe_env_key(key.cstr()))
+			throw Exception("parser.runtime",
+				&key,
+				"not safe environment variable");
+		pi.hash->put(key, &value.as_string());
+	}
+}
+#ifndef DOXYGEN
+struct Pass_cgi_header_attribute_info {
+	Hash *hash;
+	Value *content_type;
+};
+#endif
+static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) {
+	String& string=*static_cast<String *>(value);
+	Pool& pool=string.pool();
+	Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo);
+	int colon_pos=string.pos(":", 1);
+	if(colon_pos>0) {
+		const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER);
+		Value *value=new(pool) VString(string.mid(colon_pos+1, string.size()));
+		info.hash->put(key, value);
+		if(key=="CONTENT-TYPE")
+			info.content_type=value;
+	}
+}
+/// @todo fix `` in perl - they produced flipping consoles and no output to perl
+static void _exec_cgi(Request& r, const String& method_name, MethodParams *params,
+					  bool cgi) {
+	Pool& pool=r.pool();
+
+	Value& vfile_name=params->as_no_junction(0, "file name must not be code");
+
+	const String& script_name=r.absolute(vfile_name.as_string());
+
+	Hash env(pool);
+	#define ECSTR(name, value_cstr) \
+		String name##key(pool, #name); \
+		String name##value(pool); \
+		if(value_cstr) { \
+			name##value.APPEND_CONST(value_cstr); \
+			env.put(name##key, &name##value); \
+		}
+	// passing SAPI::environment
+	if(const char *const *pairs=SAPI::environment(pool)) {
+		while(const char *pair=*pairs++)
+			if(const char *eq_at=strchr(pair, '=')) {
+				String& key=*new(pool) String(pool, pair, eq_at-pair);
+				String& value=*new(pool) String(pool, eq_at+1);
+				env.put(key, &value);
+			}
+	}
+
+	// const
+	ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
+	// from Request.info
+	ECSTR(DOCUMENT_ROOT, r.info.document_root);
+	ECSTR(PATH_TRANSLATED, r.info.path_translated);
+	ECSTR(REQUEST_METHOD, r.info.method);
+	ECSTR(QUERY_STRING, r.info.query_string);
+	ECSTR(REQUEST_URI, r.info.uri);
+	ECSTR(CONTENT_TYPE, r.info.content_type);
+	char content_length_cstr[MAX_NUMBER];  
+	snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
+	String content_length(pool, content_length_cstr);
+	ECSTR(CONTENT_LENGTH, content_length_cstr);
+	// SCRIPT_*
+	env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name);
+	//env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name);
+
+	// environment & stdin from param
+	String raw_in(pool);
+	Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
+	if(params->size()>1) {
+		Value& venv=params->as_no_junction(1, "env must not be code");
+		if(Hash *user_env=venv.get_hash(&method_name)) {
+			Append_env_pair_info info={&env};
+			user_env->for_each(append_env_pair, &info);
+			// $.stdin
+			if(info.vstdin) {
+				if(const String *sstdin=info.vstdin->get_string()) {
+					raw_in.append(*sstdin, String::UL_CLEAN, true);
+				} else
+					if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
+						raw_in.APPEND_TAINTED((const char *)vfile->value_ptr(), vfile->value_size(),
+							"$.stdin[assigned]", 0);
+					else
+						throw Exception("parser.runtime",
+							&method_name,
+							STDIN_EXEC_PARAM_NAME " parameter must be string or file");
+			}
+			// $.charset
+			if(info.vcharset)
+				charset=&charsets->get_charset(info.vcharset->as_string());
+		}
+	}
+
+	// argv from params
+	Array *argv=0;
+	if(params->size()>2) {
+		argv=new(pool) Array(pool, params->size()-2);
+		for(int i=2; i<params->size(); i++)
+			*argv+=&params->as_string(i, "parameter must be string");
+	}
+
+	// transcode if necessary
+	String* real_in=&raw_in;
+	if(charset) {
+		Charset::transcode(pool, pool.get_source_charset(), *charset, env);
+		if(argv)
+			Charset::transcode(pool, pool.get_source_charset(), *charset, *argv);
+		real_in=&Charset::transcode(pool, pool.get_source_charset(), *charset, raw_in);
+	}
+
+	// exec!
+	String raw_out(pool);
+	String& raw_err=*new(pool) String(pool);
+	int status=0;
+
+	const String *body=0;
+	const String *header=0;
+	const char *eol_marker=0; size_t eol_marker_size; int header_break_pos;
+
+	String *real_out=&raw_out;
+	String *real_err=&raw_err;
+	if(cgi) { // ^file:cgi
+		status = pa_exec(false/*forced_allow*/, script_name, &env, argv, *real_in, raw_out, raw_err, &header_break_pos, &eol_marker, &eol_marker_size);
+		// transcode if necessary
+		if(charset) {
+			real_out=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_out);
+			real_err=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_err);
+		}
+		if(header_break_pos == -1)
+			throw Exception(0,
+				&method_name,
+				"output does not contain CGI header; "
+				"exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"", 
+					status, 
+					(uint)real_out->size(), real_out->cstr(),
+					(uint)real_err->size(), real_err->cstr());
+
+		header=&real_out->mid(0, header_break_pos);
+		body=&real_out->mid(header_break_pos+eol_marker_size*2, real_out->size());
+	}else{ // ^file:exec
+		status = pa_exec(false/*forced_allow*/, script_name, &env, argv, *real_in, raw_out, raw_err);
+		// transcode if necessary
+		if(charset) {
+			real_out=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_out);
+			real_err=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_err);
+		}
+		body=real_out;
+	}
+
+
+
+	VFile& self=*static_cast<VFile *>(r.get_self());
+
+	// body
+	self.set(false/*not tainted*/, body->cstr(), body->size());
+
+	// $fields << header
+	if(header && eol_marker) {
+		Array rows(pool);
+		header->split(rows, 0, eol_marker, eol_marker_size);
+		Pass_cgi_header_attribute_info info={&self.fields()};
+		rows.for_each(pass_cgi_header_attribute, &info);
+		if(info.content_type)
+			self.fields().put(*content_type_name, info.content_type);
+	}
+
+	// $status
+	self.fields().put(
+		*file_status_name,
+		new(pool) VInt(pool, status));
+	
+	// $stderr
+	if(real_err->size()) {
+		self.fields().put(
+			*new(pool) String(pool, "stderr"),
+			new(pool) VString(*real_err));
+	}
+}
+static void _exec(Request& r, const String& method_name, MethodParams *params) {
+	_exec_cgi(r, method_name, params, false);
+}
+static void _cgi(Request& r, const String& method_name, MethodParams *params) {
+	_exec_cgi(r, method_name, params, true);
+}
+
+static void _list(Request& r, const String& method_name, MethodParams *params) {
+	Pool& pool=r.pool();
+
+	Value& relative_path=params->as_no_junction(0, "path must not be code");
+
+	const String *regexp;
+	pcre *regexp_code;
+	const int ovecsize=(1/*match*/)*3;
+	int ovector[ovecsize];
+	if(params->size()>1) {
+		regexp=&params->as_no_junction(1, "regexp must not be code").as_string();
+
+		const char *pattern=regexp->cstr();
+		const char *errptr;
+		int erroffset;
+		regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, 
+			&errptr, &erroffset, 
+			pool.get_client_charset().pcre_tables);
+
+		if(!regexp_code)
+			throw Exception(0, 
+				&regexp->mid(erroffset, regexp->size()), 
+				"regular expression syntax error - %s", errptr);
+	} else 
+		regexp_code=0;
+
+
+	const char* absolute_path_cstr=r.absolute(relative_path.as_string())
+		.cstr(String::UL_FILE_SPEC);
+
+	Array& columns=*new(pool) Array(pool);
+	columns+=new(pool) String(pool, "name");	
+	Table& table=*new(pool) Table(pool, &method_name, &columns);
+
+	LOAD_DIR(absolute_path_cstr, 
+		size_t file_name_size=strlen(ffblk.ff_name);
+		bool suits=true;
+		if(regexp_code) {
+			int exec_result=pcre_exec(regexp_code, 0, 
+				ffblk.ff_name, file_name_size, 0, 
+				0, ovector, ovecsize);
+			
+			if(exec_result==PCRE_ERROR_NOMATCH)
+				suits=false;
+			else if(exec_result<0) {
+				(*pcre_free)(regexp_code);
+				throw Exception(0, 
+					regexp, 
+					"regular expression execute (%d)", 
+						exec_result);
+			}
+		}
+
+		if(suits) {
+			char *file_name_cstr=(char *)pool.malloc(file_name_size);
+			memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
+			String &file_name=*new(pool) String(pool);
+			file_name.APPEND_TAINTED(file_name_cstr, file_name_size, 
+				method_name.origin().file, method_name.origin().line);
+		
+			Array& row=*new(pool) Array(pool);
+			row+=&file_name;
+			table+=&row;
+		}
+	);
 
-	{
-		Temp_lang temp_lang(r, String::Untaint_lang::FILE);
-		static_cast<VFile *>(r.self)->save(
-			r.absolute(r.process(*vfile_name).as_string().cstr()));
+	if(regexp_code)
+		(*pcre_free)(regexp_code);
+
+	// write out result
+	VTable& result=*new(pool) VTable(pool, &table);
+	r.write_no_lang(result);
+}
+
+#ifndef DOXYGEN
+struct Lock_execute_body_info {
+	Request *r;
+	Value *body_code;
+};
+#endif
+static void lock_execute_body(int , void *context) {
+	Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(context);
+
+	// execute body
+	info.r->write_assign_lang(info.r->process(*info.body_code));
+};
+static void _lock(Request& r, const String& method_name, MethodParams *params) {
+	const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
+	Value& body_code=params->as_junction(1, "body must be code");
+
+	Lock_execute_body_info info={&r, &body_code};
+	file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info);
+}
+
+static int lastposafter(const String& s, int after, const char *substr, size_t substr_size, bool beforelast=false) {
+	size_t size;
+	if(beforelast)
+		size=s.size();
+	int at;
+	while((at=s.pos(substr, substr_size, after))>=0) {
+		size_t newafter=at+substr_size/*skip substr*/;
+		if(beforelast && newafter==size)
+			break;
+		after=newafter;
 	}
+
+	return after;
 }
 
-// initialize
+static void _find(Request& r, const String& method_name, MethodParams *params) {
+	Pool& pool=r.pool();
+	const String &file_name=params->as_no_junction(0, "file name must not be code").as_string();
+	const String *file_spec;
+	if(file_name.first_char()=='/')
+		file_spec=&file_name;
+	else 
+		file_spec=&r.relative(r.info.uri, file_name);
+
+	// easy way
+	if(file_readable(r.absolute(*file_spec))) {
+		r.write_assign_lang(*file_spec);
+		return;
+	}
+
+	// monkey way
+	int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
+	const String *dirname=&file_spec->mid(0, after_base_slash);
+	const String& basename=file_spec->mid(after_base_slash, file_spec->size());
+
+	int after_monkey_slash;
+	while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
+		String local_test_name(pool);
+		local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
+		local_test_name<<basename;
+		if(file_readable(r.absolute(local_test_name))) {
+			r.write_assign_lang(*new(pool) String(local_test_name));
+			return;
+		}
+	}
+
+	// no way, not found
+	if(params->size()==2) {
+		Value& not_found_code=params->as_junction(1, "not-found param must be code");
+		r.write_pass_lang(r.process(not_found_code));
+	}
+}
+
+static void _dirname(Request& r, const String& method_name, MethodParams *params) {
+	Pool& pool=r.pool();
+	const String& file_spec=params->as_string(0, "file name must be string");
+    // /a/some.tar.gz > /a
+	// /a/b/ > /a
+	int afterslash=lastposafter(file_spec, 0, "/", 1, true);
+	if(afterslash>0)
+		r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
+	else
+		r.write_assign_lang(*new(pool) String(pool, ".", 1));
+}
+
+static void _basename(Request& r, const String& method_name, MethodParams *params) {
+	const String& file_spec=params->as_string(0, "file name must be string");
+    // /a/some.tar.gz > some.tar.gz
+	int afterslash=lastposafter(file_spec, 0, "/", 1);
+	r.write_assign_lang(file_spec.mid(afterslash, file_spec.size()));
+}
+
+static void _justname(Request& r, const String& method_name, MethodParams *params) {
+	const String& file_spec=params->as_string(0, "file name must be string");
+    // /a/some.tar.gz > some.tar
+	int afterslash=lastposafter(file_spec, 0, "/", 1);
+	int afterdot=lastposafter(file_spec, afterslash, ".", 1);
+	r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size()));
+}
+static void _justext(Request& r, const String& method_name, MethodParams *params) {
+	const String& file_spec=params->as_string(0, "file name must be string");
+    // /a/some.tar.gz > gz
+	int afterdot=lastposafter(file_spec, 0, ".", 1);
+	if(afterdot>0)
+		r.write_assign_lang(file_spec.mid(afterdot, file_spec.size()));
+}
+
+static void _fullpath(Request& r, const String& method_name, MethodParams *params) {
+	const String& file_spec=params->as_string(0, "file name must be string");
+	const String *result;
+	if(file_spec.first_char()=='/')
+		result=&file_spec;
+	else {
+		// /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
+		const String& full_disk_path=r.absolute(file_spec);
+		size_t document_root_length=strlen(r.info.document_root);
+
+		if(document_root_length>0) {
+			char last_char=r.info.document_root[document_root_length-1];
+			if(last_char == '/' || last_char == '\\')
+				--document_root_length;
+		}
+		result=&full_disk_path.mid(document_root_length,  full_disk_path.size());
+	}
+	r.write_assign_lang(*result);
+}
+
+
+// constructor
+
+MFile::MFile(Pool& apool) : Methoded(apool, "file") {
+	// ^save[mode;file-name]
+	add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
+
+	// ^delete[file-name]
+	add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
+
+	// ^move[from-file-name;to-file-name]
+	add_native_method("move", Method::CT_STATIC, _move, 2, 2);
+
+	// ^load[mode;disk-name]
+	// ^load[mode;disk-name;user-name]
+	add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
+
+	// ^stat[disk-name]
+	add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
+
+	// ^cgi[file-name]
+	// ^cgi[file-name;env hash]
+	// ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s]
+	add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10);
+
+	// ^exec[file-name]
+	// ^exec[file-name;env hash]
+	// ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
+	add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10);
+
+	// ^file:list[path]
+	// ^file:list[path][regexp]
+	add_native_method("list", Method::CT_STATIC, _list, 1, 2);
+
+	// ^file:lock[path]{code}
+	add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
+
+	// ^find[file-name]
+	// ^find[file-name]{when-not-found}
+	add_native_method("find", Method::CT_STATIC, _find, 1, 2);
+
+    // ^file:dirname[/a/some.tar.gz]=/a
+	// ^file:dirname[/a/b/]=/a
+	add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
+    // ^file:basename[/a/some.tar.gz]=some.tar.gz
+    add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
+    // ^file:justname[/a/some.tar.gz]=some.tar
+	add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
+    // ^file:justext[/a/some.tar.gz]=gz
+	add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
+    // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
+	add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
+}
+
+// global variable
+
+Methoded *file_class;
+
+// creator
 
-void initialize_file_base_class(Pool& pool, VStateless_class& vclass) {
-	// ^save[file-name]
-	vclass.add_native_method("save", _save, 1, 1);
+Methoded *MFile_create(Pool& pool) {
+	return file_class=new(pool) MFile(pool);
 }