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Introduce //filter target to php: wrapper to allow inline application of filters during fopen() style opperations

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This commit is contained in:
Sara Golemon 2003-02-18 06:10:14 +00:00
parent ffe0f52be6
commit 73c78270b6
1 changed files with 56 additions and 0 deletions
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56
ext/standard/php_fopen_wrapper.c
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@ -122,10 +122,36 @@ php_stream_ops php_stream_input_ops = {
NULL /* set_option */
};
static void php_stream_apply_filter_list(php_stream *stream, char *filterlist, int read_chain, int write_chain TSRMLS_DC) {
char *p, *token;
php_stream_filter *temp_filter;
p = php_strtok_r(filterlist, "|", &token);
while (p) {
if (read_chain) {
if (temp_filter = php_stream_filter_create(p, "", 0, php_stream_is_persistent(stream) TSRMLS_CC)) {
php_stream_filter_append(&stream->readfilters, temp_filter);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to create filter (%s)\n", p);
}
}
if (write_chain) {
if (temp_filter = php_stream_filter_create(p, "", 0, php_stream_is_persistent(stream) TSRMLS_CC)) {
php_stream_filter_append(&stream->writefilters, temp_filter);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to create filter (%s)\n", p);
}
}
p = php_strtok_r(NULL, "|", &token);
}
}
php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC)
{
int fd = -1;
php_stream * stream = NULL;
char *p, *token, *pathdup;
if (!strncasecmp(path, "php://", 6))
path += 6;
@ -151,6 +177,36 @@ php_stream * php_stream_url_wrap_php(php_stream_wrapper *wrapper, char *path, ch
if (stream == NULL)
close(fd);
}
if (!strncasecmp(path, "filter/", 7)) {
pathdup = estrndup(path + 6, strlen(path + 6));
p = strstr(pathdup, "/resource=");
if (!p) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "No URL resource specified.");
efree(pathdup);
return NULL;
}
if (!(stream = php_stream_open_wrapper(p + 10, mode, options, opened_path))) {
efree(pathdup);
return NULL;
}
*p = '\0';
p = php_strtok_r(pathdup + 1, "/", &token);
while (p) {
if (!strncasecmp(p, "read=", 5)) {
php_stream_apply_filter_list(stream, p + 5, 1, 0 TSRMLS_CC);
} else if (!strncasecmp(p, "write=", 6)) {
php_stream_apply_filter_list(stream, p + 6, 0, 1 TSRMLS_CC);
} else {
php_stream_apply_filter_list(stream, p, 1, 1 TSRMLS_CC);
}
p = php_strtok_r(NULL, "/", &token);
}
efree(pathdup);
}
return stream;
}