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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 loadx.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "loadx"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* private implementation
*/
static tb_char_t const* xm_preprocessor_loadx_to_string(tb_stream_ref_t stream, tb_string_ref_t string)
{
// check
tb_assert_and_check_return_val(stream && string, tb_null);
// init value
tb_string_t value;
if (!tb_string_init(&value)) return tb_null;
// init temporary value
tb_string_t value_temp;
if (!tb_string_init(&value_temp)) return tb_null;
// done
tb_bool_t is_value = tb_false;
tb_bool_t is_values = tb_false;
tb_size_t is_script = 0;
tb_bool_t is_comment = tb_false;
tb_bool_t is_value_string = tb_false;
tb_size_t is_value_script = 0;
while (!tb_stream_beof(stream))
{
// read character
tb_char_t ch = (tb_char_t)tb_stream_bread_u8(stream);
if (ch)
{
// is comment? skip it
if (is_comment)
{
// newline? leave comment
if (ch == '\n') is_comment = tb_false;
}
// is script? skip it
else if (is_script)
{
// is ']'?
if (ch == ']')
{
// leave bracket?
is_script--;
// append it if is script now
if (is_script) tb_string_chrcat(string, ch);
}
else
{
// enter bracket?
if (ch == '[') is_script++;
// append it
tb_string_chrcat(string, ch);
}
}
// is values?
else if (is_values)
{
// enter or leave string
if (ch == '\"' || ch == '\'') is_value_string = !is_value_string;
// enter or leave script?
if (ch == '[') is_value_script++;
else if (ch == ']' && is_value_script) is_value_script--;
// is string or script value?
if (is_value && (is_value_string || is_value_script))
{
// append to value
tb_string_chrcat(&value, ch);
}
// is value?
else if ( is_value
&& ch != ','
&& ch != ':'
&& ch != '{'
&& ch != '}'
&& ch != '\r'
&& ch != '\n'
&& ch != '#')
{
// append to value
tb_string_chrcat(&value, ch);
}
// ',' or ':' or '{' or '#' or newline?
else if ( ch == ','
|| ch == ':'
|| ch == '{'
|| ch == '}'
|| ch == '\r'
|| ch == '\n'
|| ch == '#')
{
// has value?
if (is_value)
{
// values end? append ')' and newline first
if (ch == ':') tb_string_cstrcat(string, ")\n");
else
{
// trim the left spaces
tb_string_ltrim(&value);
// trim the right spaces
tb_string_rtrim(&value);
// wrap "xxx"
if (tb_string_size(&value))
{
// it has been "xxx" or 'xxx'? only copy it
if (tb_string_charat(&value, 0) == '\"' || tb_string_charat(&value, 0) == '\'')
tb_string_strcpy(&value_temp, &value);
// wrap it
else
{
tb_string_clear(&value_temp);
tb_string_chrcat(&value_temp, '\"');
tb_string_strcat(&value_temp, &value);
tb_string_chrcat(&value_temp, '\"');
}
// clear value first
tb_string_clear(&value);
// copy and replace '\"' to "\\""
tb_char_t const* s = tb_string_cstr(&value_temp);
tb_size_t n = tb_string_size(&value_temp);
tb_size_t i = 0;
for (i = 0; i < n; i++)
{
// replace '\"' to "\\""
if (i && i != n - 1 && s[i] == '\"') tb_string_cstrcat(&value, "\\\"");
// only copy iy
else tb_string_chrcat(&value, s[i]);
}
}
}
// append value to string
if (tb_string_size(&value)) tb_string_strcat(string, &value);
// clear value
tb_string_clear(&value);
// not value now
is_value = tb_false;
}
// continue to enter values? onyl replace ':' to '('
if (ch == ':') tb_string_chrcat(string, '(');
// '{' ?
else if (ch == '{')
{
// not values now
is_values = tb_false;
// append ')' and newline
tb_string_cstrcat(string, ")\n");
}
// '}' ?
else if (ch == '}')
{
// not values now
is_values = tb_false;
// append ')' and replace '}' to _end
tb_string_cstrcat(string, ")\n_end()");
}
// skip newline
else if (ch == '\r' || ch == '\n') ;
// enter comment?
else if (ch == '#' && !is_comment) is_comment = tb_true;
// append to string
else tb_string_chrcat(string, ch);
}
else
{
// value now
is_value = tb_true;
// append to value
tb_string_chrcat(&value, ch);
}
}
// enter values?
else if (ch == ':')
{
// values now
is_values = tb_true;
// replace ':' to '('
tb_string_chrcat(string, '(');
}
// replace '}' and newline to _end
else if (ch == '}') tb_string_cstrcat(string, "\n_end()");
// enter comment? skip it
else if (ch == '#' && !is_comment) is_comment = tb_true;
// enter script? skip it
else if (ch == '[' && !is_script) is_script++;
// append it
else tb_string_chrcat(string, ch);
}
else
{
// end
break;
}
}
// exit value
tb_string_exit(&value);
// exit temporary value
tb_string_exit(&value_temp);
// ok?
return tb_string_size(string)? tb_string_cstr(string) : tb_null;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_preprocessor_loadx(lua_State* lua)
{
// check
tb_assert_and_check_return_val(lua, 0);
// get the xmake.xproj path
tb_char_t const* path = luaL_checkstring(lua, 1);
tb_check_return_val(path, 0);
// done
tb_int_t ok = 0;
tb_stream_ref_t stream = tb_null;
tb_string_t string;
do
{
// init string
if (!tb_string_init(&string)) break;
// init stream
stream = tb_stream_init_from_file(path, TB_FILE_MODE_RO);
tb_assert_and_check_break(stream);
// open stream
if (!tb_stream_open(stream)) break;
// load xmake.xproj to the string and preprocess it
tb_char_t const* xproj = xm_preprocessor_loadx_to_string(stream, &string);
tb_assert_and_check_break(xproj);
// trace
tb_trace_d("%s", xproj);
// load xmake.xproj string to script
if (luaL_loadstring(lua, xproj))
{
// error
tb_printf("error: %s\n", lua_tostring(lua, -1));
// failed
break;
}
// ok
ok = 1;
} while (0);
// exit stream
if (stream) tb_stream_exit(stream);
stream = tb_null;
// exit string
tb_string_exit(&string);
// ok?
return ok;
}
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