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Use the same delimited character as the FILTER function in FIELDQTY and CUT.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@87103 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2007-10-26 00:11:31 +00:00
parent c6a8d45f43
commit 446a6cdc94
4 changed files with 82 additions and 95 deletions
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20
funcs/func_cut.c
View File

@@ -118,6 +118,7 @@ static int sort_internal(struct ast_channel *chan, char *data, char *buffer, siz
static int cut_internal(struct ast_channel *chan, char *data, char *buffer, size_t buflen)
{
char *parse;
size_t delim_consumed;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(varname);
AST_APP_ARG(delimiter);
@@ -134,7 +135,7 @@ static int cut_internal(struct ast_channel *chan, char *data, char *buffer, size
if (args.argc < 3) {
return ERROR_NOARG;
} else {
char d, ds[2];
char d, ds[2] = "";
char *tmp = alloca(strlen(args.varname) + 4);
char varvalue[MAXRESULT], *tmp2=varvalue;
@@ -145,22 +146,11 @@ static int cut_internal(struct ast_channel *chan, char *data, char *buffer, size
return ERROR_NOMEM;
}
if (args.delimiter[0] == '\\') {
if (args.delimiter[1] == 'n')
d = '\n';
else if (args.delimiter[1] == 't')
d = '\t';
else if (args.delimiter[1])
d = args.delimiter[1];
else
d = '-';
} else if (args.delimiter[0])
d = args.delimiter[0];
else
d = '-';
if (ast_get_encoded_char(args.delimiter, ds, &delim_consumed))
return ERROR_NOARG;
/* String form of the delimiter, for use with strsep(3) */
snprintf(ds, sizeof(ds), "%c", d);
d = *ds;
pbx_substitute_variables_helper(chan, tmp, tmp2, MAXRESULT - 1);

87
funcs/func_strings.c
View File

@@ -54,19 +54,13 @@ static int function_fieldqty(struct ast_channel *chan, const char *cmd,
AST_APP_ARG(varname);
AST_APP_ARG(delim);
);
char delim[2] = "";
size_t delim_used;
AST_STANDARD_APP_ARGS(args, parse);
if (args.delim) {
if (args.delim[0] == '\\') {
if (args.delim[1] == 'n')
ast_copy_string(args.delim, "\n", 2);
else if (args.delim[1] == 't')
ast_copy_string(args.delim, "\t", 2);
else if (args.delim[1])
ast_copy_string(args.delim, &args.delim[1], 2);
else
ast_copy_string(args.delim, "-", 2);
}
ast_get_encoded_char(args.delim, delim, &delim_used);
varsubst = alloca(strlen(args.varname) + 4);
sprintf(varsubst, "${%s}", args.varname);
@@ -74,7 +68,7 @@ static int function_fieldqty(struct ast_channel *chan, const char *cmd,
if (ast_strlen_zero(varval2))
fieldcount = 0;
else {
while (strsep(&varval2, args.delim))
while (strsep(&varval2, delim))
fieldcount++;
}
} else {
@@ -92,73 +86,6 @@ static struct ast_custom_function fieldqty_function = {
.read = function_fieldqty,
};
static int get_filter_char(const char *stream, char *result, size_t *consumed)
{
int i;
*consumed = 1;
*result = 0;
if (*stream == '\\') {
*consumed = 2;
switch (*(stream + 1)) {
case 'n':
*result = '\n';
break;
case 'r':
*result = '\r';
break;
case 't':
*result = '\t';
break;
case 'x':
/* Hexadecimal */
if (strchr("0123456789ABCDEFabcdef", *(stream + 2)) && *(stream + 2) != '\0') {
*consumed = 3;
if (*(stream + 2) <= '9')
*result = *(stream + 2) - '0';
else if (*(stream + 2) <= 'F')
*result = *(stream + 2) - 'A' + 10;
else
*result = *(stream + 2) - 'a' + 10;
} else {
ast_log(LOG_ERROR, "Illegal character '%c' in hexadecimal string\n", *(stream + 2));
return -1;
}
if (strchr("0123456789ABCDEFabcdef", *(stream + 3)) && *(stream + 3) != '\0') {
*consumed = 4;
*result <<= 4;
if (*(stream + 3) <= '9')
*result += *(stream + 3) - '0';
else if (*(stream + 3) <= 'F')
*result += *(stream + 3) - 'A' + 10;
else
*result += *(stream + 3) - 'a' + 10;
}
break;
case '0':
/* Octal */
*consumed = 2;
for (i = 2; ; i++) {
if (strchr("01234567", *(stream + i)) && *(stream + i) != '\0') {
(*consumed)++;
ast_debug(5, "result was %d, ", *result);
*result <<= 3;
*result += *(stream + i) - '0';
ast_debug(5, "is now %d\n", *result);
} else
break;
}
break;
default:
*result = *(stream + 1);
}
} else {
*result = *stream;
*consumed = 1;
}
return 0;
}
static int filter(struct ast_channel *chan, const char *cmd, char *parse, char *buf,
size_t len)
{
@@ -182,12 +109,12 @@ static int filter(struct ast_channel *chan, const char *cmd, char *parse, char *
char c1 = 0, c2 = 0;
size_t consumed = 0;
if (get_filter_char(args.allowed, &c1, &consumed))
if (ast_get_encoded_char(args.allowed, &c1, &consumed))
return -1;
args.allowed += consumed;
if (*(args.allowed) == '-') {
if (get_filter_char(args.allowed + 1, &c2, &consumed))
if (ast_get_encoded_char(args.allowed + 1, &c2, &consumed))
c2 = -1;
args.allowed += consumed + 1;

3
include/asterisk/app.h
View File

@@ -457,6 +457,9 @@ int ast_app_dtget(struct ast_channel *chan, const char *context, char *collect,
/*! Allow to record message and have a review option */
int ast_record_review(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, const char *path);
/*! Decode an encoded control or extended ASCII character */
int ast_get_encoded_char(const char *stream, char *result, size_t *consumed);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

67
main/app.c
View File

@@ -1664,3 +1664,70 @@ int ast_app_parse_options64(const struct ast_app_option *options, struct ast_fla
return res;
}
int ast_get_encoded_char(const char *stream, char *result, size_t *consumed)
{
int i;
*consumed = 1;
*result = 0;
if (*stream == '\\') {
*consumed = 2;
switch (*(stream + 1)) {
case 'n':
*result = '\n';
break;
case 'r':
*result = '\r';
break;
case 't':
*result = '\t';
break;
case 'x':
/* Hexadecimal */
if (strchr("0123456789ABCDEFabcdef", *(stream + 2)) && *(stream + 2) != '\0') {
*consumed = 3;
if (*(stream + 2) <= '9')
*result = *(stream + 2) - '0';
else if (*(stream + 2) <= 'F')
*result = *(stream + 2) - 'A' + 10;
else
*result = *(stream + 2) - 'a' + 10;
} else {
ast_log(LOG_ERROR, "Illegal character '%c' in hexadecimal string\n", *(stream + 2));
return -1;
}
if (strchr("0123456789ABCDEFabcdef", *(stream + 3)) && *(stream + 3) != '\0') {
*consumed = 4;
*result <<= 4;
if (*(stream + 3) <= '9')
*result += *(stream + 3) - '0';
else if (*(stream + 3) <= 'F')
*result += *(stream + 3) - 'A' + 10;
else
*result += *(stream + 3) - 'a' + 10;
}
break;
case '0':
/* Octal */
*consumed = 2;
for (i = 2; ; i++) {
if (strchr("01234567", *(stream + i)) && *(stream + i) != '\0') {
(*consumed)++;
ast_debug(5, "result was %d, ", *result);
*result <<= 3;
*result += *(stream + i) - '0';
ast_debug(5, "is now %d\n", *result);
} else
break;
}
break;
default:
*result = *(stream + 1);
}
} else {
*result = *stream;
*consumed = 1;
}
return 0;
}