static void __config_write_setting(const config_setting_t *setting,
FILE *stream, int depth,
unsigned short tab_width)
{
int output_format = setting->config->output_format;
if(depth > 1)
__config_indent(stream, depth, tab_width);
if(setting->name)
{
char separator;
fputs(setting->name, stream);
if(SHOULD_USE_COLON(output_format) && SHOULD_USE_ASSIGN(output_format))
separator = (setting->type == CONFIG_TYPE_GROUP ? ':' : '=');
else
separator = SHOULD_USE_COLON(output_format) ? ':' : '=';
fprintf(stream, " %c ", separator);
}
__config_write_value(&(setting->value), setting->type,
config_setting_get_format(setting),
depth, tab_width, stream);
if(depth > 0)
{
if (SHOULD_APPEND_SEMICOLON(output_format))
fputc(';', stream);
else if (SHOULD_APPEND_COMMA(output_format))
fputc(':', stream);
fputc('\n', stream);
}
}
static void __config_write_setting(const config_t *config,
const config_setting_t *setting,
FILE *stream, int depth)
{
char group_assign_char = __config_has_option(
config, CONFIG_OPTION_COLON_ASSIGNMENT_FOR_GROUPS) ? ':' : '=';
char nongroup_assign_char = __config_has_option(
config, CONFIG_OPTION_COLON_ASSIGNMENT_FOR_NON_GROUPS) ? ':' : '=';
if(depth > 1)
__config_indent(stream, depth, config->tab_width);
if(setting->name)
{
fputs(setting->name, stream);
fprintf(stream, " %c ", ((setting->type == CONFIG_TYPE_GROUP)
? group_assign_char
: nongroup_assign_char));
}
__config_write_value(config, &(setting->value), setting->type,
config_setting_get_format(setting), depth, stream);
if(depth > 0)
{
if(__config_has_option(config, CONFIG_OPTION_SEMICOLON_SEPARATORS))
fputc(';', stream);
fputc('\n', stream);
}
}
static void __config_write_setting (const config_setting_t * setting, FILE * stream, int depth, unsigned short tab_width)
{
if (depth > 1)
__config_indent (stream, depth, tab_width);
if (setting->name)
{
fputs (setting->name, stream);
fprintf (stream, " %c ", (setting->type == CONFIG_TYPE_GROUP ? ':' : '='));
}
__config_write_value (&(setting->value), setting->type, config_setting_get_format (setting), depth, tab_width, stream);
if (depth > 0)
{
fputc (';', stream);
fputc ('\n', stream);
}
}
static void __config_write_value(const config_value_t *value, int type,
int format, int depth,
unsigned short tab_width, FILE *stream)
{
char fbuf[64];
switch(type)
{
/* boolean */
case CONFIG_TYPE_BOOL:
fputs(value->ival ? "true" : "false", stream);
break;
/* int */
case CONFIG_TYPE_INT:
switch(format)
{
case CONFIG_FORMAT_HEX:
fprintf(stream, "0x%X", value->ival);
break;
case CONFIG_FORMAT_DEFAULT:
default:
fprintf(stream, "%d", value->ival);
break;
}
break;
/* 64-bit int */
case CONFIG_TYPE_INT64:
switch(format)
{
case CONFIG_FORMAT_HEX:
fprintf(stream, "0x" INT64_HEX_FMT "L", value->llval);
break;
case CONFIG_FORMAT_DEFAULT:
default:
fprintf(stream, INT64_FMT "L", value->llval);
break;
}
break;
/* float */
case CONFIG_TYPE_FLOAT:
{
char *q;
snprintf(fbuf, sizeof(fbuf) - 3, "%.*g", FLOAT_PRECISION, value->fval);
/* check for exponent */
q = strchr(fbuf, 'e');
if(! q)
{
/* no exponent */
if(! strchr(fbuf, '.')) /* no decimal point */
strcat(fbuf, ".0");
else
{
/* has decimal point */
char *p;
for(p = fbuf + strlen(fbuf) - 1; p > fbuf; --p)
{
if(*p != '0')
{
*(++p) = '\0';
break;
}
}
}
}
fputs(fbuf, stream);
break;
}
/* string */
case CONFIG_TYPE_STRING:
{
char *p;
fputc('\"', stream);
if(value->sval)
{
for(p = value->sval; *p; p++)
{
int c = (int)*p & 0xFF;
switch(c)
{
case '\"':
case '\\':
fputc('\\', stream);
fputc(c, stream);
break;
case '\n':
fputs("\\n", stream);
break;
case '\r':
fputs("\\r", stream);
break;
case '\f':
fputs("\\f", stream);
break;
case '\t':
fputs("\\t", stream);
break;
default:
if(c >= ' ')
fputc(c, stream);
else
fprintf(stream, "\\x%02X", c);
}
}
}
fputc('\"', stream);
break;
}
/* list */
case CONFIG_TYPE_LIST:
{
config_list_t *list = value->list;
fprintf(stream, "( ");
if(list)
{
int len = list->length;
config_setting_t **s;
for(s = list->elements; len--; s++)
{
__config_write_value(&((*s)->value), (*s)->type, (*s)->format,
depth + 1, tab_width, stream);
if(len)
fputc(',', stream);
fputc(' ', stream);
}
}
fputc(')', stream);
break;
}
/* array */
case CONFIG_TYPE_ARRAY:
{
config_list_t *list = value->list;
fprintf(stream, "[ ");
if(list)
{
int len = list->length;
config_setting_t **s;
for(s = list->elements; len--; s++)
{
__config_write_value(&((*s)->value), (*s)->type, (*s)->format,
depth + 1, tab_width, stream);
if(len)
fputc(',', stream);
fputc(' ', stream);
}
}
fputc(']', stream);
break;
}
/* group */
case CONFIG_TYPE_GROUP:
{
config_list_t *list = value->list;
if(depth > 0)
{
#ifdef K_AND_R_STYLE /* Horrendous, but many people like it. */
fputc(' ', stream);
#else
fputc('\n', stream);
if(depth > 1)
__config_indent(stream, depth, tab_width);
#endif
fprintf(stream, "{\n");
}
if(list)
{
int len = list->length;
config_setting_t **s;
for(s = list->elements; len--; s++)
__config_write_setting(*s, stream, depth + 1, tab_width);
}
if(depth > 1)
__config_indent(stream, depth, tab_width);
if(depth > 0)
fputc('}', stream);
break;
}
default:
/* this shouldn't happen, but handle it gracefully... */
fputs("???", stream);
break;
}
}