365 lines
10 KiB
C
365 lines
10 KiB
C
/****************************************************************************
|
|
* tools/cfgdefine.c
|
|
*
|
|
* Copyright (C) 2007-2013 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include "cfgdefine.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
char line[LINESIZE+1];
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/* These are configuration variable name that are quoted by configuration tool
|
|
* but which must be unquoted when used in C code.
|
|
*/
|
|
|
|
static const char *dequote_list[] =
|
|
{
|
|
/* NuttX */
|
|
|
|
"CONFIG_USER_ENTRYPOINT", /* Name of entry point function */
|
|
"CONFIG_EXECFUNCS_SYMTAB", /* Symbol table used by exec[l|v] */
|
|
"CONFIG_PASS1_BUILDIR", /* Pass1 build directory */
|
|
"CONFIG_PASS1_TARGET", /* Pass1 build target */
|
|
"CONFIG_PASS1_OBJECT", /* Pass1 build object */
|
|
"CONFIG_DEBUG_OPTLEVEL", /* Custom debug level */
|
|
"CONFIG_INIT_SYMTAB", /* Global symbol table */
|
|
"CONFIG_INIT_NEXPORTS", /* Global symbol table size */
|
|
|
|
/* RGMP */
|
|
|
|
"CONFIG_RGMP_SUBARCH", /* RGMP sub-architecture */
|
|
|
|
/* NxWidgets/NxWM */
|
|
|
|
"CONFIG_NXWM_BACKGROUND_IMAGE", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_STOP_BITMAP", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_MINIMIZE_BITMAP", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_STARTWINDOW_ICON", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_NXTERM_ICON", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_CALIBRATION_ICON", /* Name of bitmap image class */
|
|
"CONFIG_NXWM_HEXCALCULATOR_ICON", /* Name of bitmap image class */
|
|
|
|
/* apps/ definitions */
|
|
|
|
"CONFIG_EXAMPLES_HELLO_PROGNAME", /* Name of installed hello example program */
|
|
"CONFIG_EXAMPLES_NSH_PROGNAME", /* Name of installed NSH example program */
|
|
"CONFIG_THTTPD_INDEX_NAMES", /* List of index file names */
|
|
NULL /* Marks the end of the list */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/* Skip over any spaces */
|
|
|
|
static char *skip_space(char *ptr)
|
|
{
|
|
while (*ptr && isspace((int)*ptr)) ptr++;
|
|
return ptr;
|
|
}
|
|
|
|
/* Find the end of a variable string */
|
|
|
|
static char *find_name_end(char *ptr)
|
|
{
|
|
while (*ptr && (isalnum((int)*ptr) || *ptr == '_')) ptr++;
|
|
return ptr;
|
|
}
|
|
|
|
/* Find the end of a value string */
|
|
|
|
static char *find_value_end(char *ptr)
|
|
{
|
|
while (*ptr && !isspace((int)*ptr))
|
|
{
|
|
if (*ptr == '"')
|
|
{
|
|
do ptr++; while (*ptr && *ptr != '"');
|
|
if (*ptr) ptr++;
|
|
}
|
|
else
|
|
{
|
|
do ptr++; while (*ptr && !isspace((int)*ptr) && *ptr != '"');
|
|
}
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
/* Read the next line from the configuration file */
|
|
|
|
static char *read_line(FILE *stream)
|
|
{
|
|
char *ptr;
|
|
|
|
for (;;)
|
|
{
|
|
line[LINESIZE] = '\0';
|
|
if (!fgets(line, LINESIZE, stream))
|
|
{
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
ptr = skip_space(line);
|
|
if (*ptr && *ptr != '#' && *ptr != '\n')
|
|
{
|
|
return ptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Parse the line from the configuration file into a variable name
|
|
* string and a value string.
|
|
*/
|
|
|
|
static void parse_line(char *ptr, char **varname, char **varval)
|
|
{
|
|
/* Skip over any leading spaces */
|
|
|
|
ptr = skip_space(ptr);
|
|
|
|
/* The first no-space is the beginning of the variable name */
|
|
|
|
*varname = skip_space(ptr);
|
|
*varval = NULL;
|
|
|
|
/* Parse to the end of the variable name */
|
|
|
|
ptr = find_name_end(ptr);
|
|
|
|
/* An equal sign is expected next, perhaps after some white space */
|
|
|
|
if (*ptr && *ptr != '=')
|
|
{
|
|
/* Some else follows the variable name. Terminate the variable
|
|
* name and skip over any spaces.
|
|
*/
|
|
|
|
*ptr = '\0';
|
|
ptr = skip_space(ptr + 1);
|
|
}
|
|
|
|
/* Verify that the equal sign is present */
|
|
|
|
if (*ptr == '=')
|
|
{
|
|
/* Make sure that the variable name is terminated (this was already
|
|
* done if the name was followed by white space.
|
|
*/
|
|
|
|
*ptr = '\0';
|
|
|
|
/* The variable value should follow =, perhaps separated by some
|
|
* white space.
|
|
*/
|
|
|
|
ptr = skip_space(ptr + 1);
|
|
if (*ptr)
|
|
{
|
|
/* Yes.. a variable follows. Save the pointer to the start
|
|
* of the variable string.
|
|
*/
|
|
|
|
*varval = ptr;
|
|
|
|
/* Find the end of the variable string and make sure that it
|
|
* is terminated.
|
|
*/
|
|
|
|
ptr = find_value_end(ptr);
|
|
*ptr = '\0';
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *dequote_value(const char *varname, char *varval)
|
|
{
|
|
const char **dqnam;
|
|
char *dqval = varval;
|
|
char *ptr;
|
|
int len;
|
|
int i;
|
|
|
|
if (dqval)
|
|
{
|
|
/* Check if the variable name is in the list of strings to be dequoated */
|
|
|
|
for (dqnam = dequote_list; *dqnam; dqnam++)
|
|
{
|
|
if (strcmp(*dqnam, varname) == 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Did we find the variable name in the list of configuration variables
|
|
* to be dequoted?
|
|
*/
|
|
|
|
if (*dqnam)
|
|
{
|
|
/* Yes... Check if there is a trailing quote */
|
|
|
|
len = strlen(dqval);
|
|
if (dqval[len-1] == '"')
|
|
{
|
|
/* Yes... replace it with a terminator */
|
|
|
|
dqval[len-1] = '\0';
|
|
len--;
|
|
}
|
|
|
|
/* Is there a leading quote? */
|
|
|
|
if (dqval[0] == '"')
|
|
{
|
|
/* Yes.. skip over the leading quote */
|
|
|
|
dqval++;
|
|
len--;
|
|
}
|
|
|
|
/* A special case is a quoted list of quoted strings. In that case
|
|
* we will need to remove the backspaces from the internally quoted
|
|
* strings. NOTE: this will not handle nested quoted quotes.
|
|
*/
|
|
|
|
for (ptr = dqval; *ptr; ptr++)
|
|
{
|
|
/* Check for a quoted quote */
|
|
|
|
if (ptr[0] == '\\' && ptr[1] == '"')
|
|
{
|
|
/* Delete the backslash by moving the rest of the string */
|
|
|
|
for (i = 0; ptr[i]; i++)
|
|
{
|
|
ptr[i] = ptr[i+1];
|
|
}
|
|
|
|
len--;
|
|
}
|
|
}
|
|
|
|
/* Handle the case where nothing is left after dequoting */
|
|
|
|
if (len <= 0)
|
|
{
|
|
dqval = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
return dqval;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
void generate_definitions(FILE *stream)
|
|
{
|
|
char *varname;
|
|
char *varval;
|
|
char *ptr;
|
|
|
|
/* Loop until the entire file has been parsed. */
|
|
|
|
do
|
|
{
|
|
/* Read the next line from the file */
|
|
|
|
ptr = read_line(stream);
|
|
if (ptr)
|
|
{
|
|
/* Parse the line into a variable and a value field */
|
|
|
|
parse_line(ptr, &varname, &varval);
|
|
|
|
/* Was a variable name found? */
|
|
|
|
if (varname)
|
|
{
|
|
/* Yes.. dequote the value if necessary */
|
|
|
|
varval = dequote_value(varname, varval);
|
|
|
|
/* If no value was provided or if the special value 'n' was provided,
|
|
* then undefine the configuration variable.
|
|
*/
|
|
|
|
if (!varval || strcmp(varval, "n") == 0)
|
|
{
|
|
printf("#undef %s\n", varname);
|
|
}
|
|
|
|
/* Simply define the configuration variable if it has the special
|
|
* value "y"
|
|
*/
|
|
|
|
else if (strcmp(varval, "y") == 0)
|
|
{
|
|
printf("#define %s 1\n", varname);
|
|
}
|
|
|
|
/* Otherwise, use the value as provided */
|
|
|
|
else
|
|
{
|
|
printf("#define %s %s\n", varname, varval);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
while (ptr);
|
|
}
|