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/*!The Automatic Cross-platform Build Tool
*
* XMake 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.
*
* XMake 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 XMake;
* If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
*
* Copyright (C) 2009 - 2015, ruki All rights reserved.
*
* @author ruki
* @file find.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "find"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* private implementation
*/
static tb_bool_t xm_os_find_walk(tb_char_t const* path, tb_file_info_t const* info, tb_cpointer_t priv)
{
// check
tb_value_ref_t tuple = (tb_value_ref_t)priv;
tb_assert_and_check_return_val(path && info && tuple, tb_false);
// the lua
lua_State* lua = (lua_State*)tuple[0].ptr;
tb_assert_and_check_return_val(lua, tb_false);
// the pattern
tb_char_t const* pattern = (tb_char_t const*)tuple[1].cstr;
tb_assert_and_check_return_val(pattern, tb_false);
// find directory?
tb_bool_t findir = tuple[2].b;
// the count
tb_size_t* pcount = &(tuple[3].ul);
// trace
tb_trace_d("path[%c]: %s", info->type == TB_FILE_TYPE_DIRECTORY? 'd' : 'f', path);
// find file or directory?
if ((findir && info->type == TB_FILE_TYPE_DIRECTORY) || (!findir && info->type == TB_FILE_TYPE_FILE))
{
// done string.match(pattern)
lua_getfield(lua, -1, "match");
lua_pushstring(lua, path);
lua_pushstring(lua, pattern);
if (lua_pcall(lua, 2, 1, 0))
{
// trace
tb_printf("error: call string.match(%s, %s) failed: %s!\n", path, pattern, lua_tostring(lua, -1));
// failed
return tb_false;
}
// match ok? save this path
if (lua_isstring(lua, -1) && !tb_strcmp(path, lua_tostring(lua, -1)))
lua_rawseti(lua, -3, ++*pcount);
// pop this return value
else lua_pop(lua, 1);
}
// continue
return tb_true;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_os_find(lua_State* lua)
{
// check
tb_assert_and_check_return_val(lua, 0);
// get the root directory
tb_char_t const* rootdir = luaL_checkstring(lua, 1);
tb_check_return_val(rootdir, 0);
// get the pattern
tb_char_t const* pattern = luaL_checkstring(lua, 2);
tb_check_return_val(pattern, 0);
// is recurse?
tb_bool_t recurse = lua_toboolean(lua, 3);
// find directory?
tb_bool_t findir = lua_toboolean(lua, 4);
// init table
lua_newtable(lua);
// get string package
lua_getglobal(lua, "string");
// done os.find(root, name)
tb_value_t tuple[4];
tuple[0].ptr = lua;
tuple[1].cstr = pattern;
tuple[2].b = findir;
tuple[3].ul = 0;
tb_directory_walk(rootdir, recurse, tb_true, xm_os_find_walk, tuple);
// pop string package
lua_pop(lua, 1);
// return count
lua_pushinteger(lua, tuple[3].ul);
// ok
return 2;
}
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