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NSURL: add ability to create replacement scheme

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This commit is contained in:
John-Mark Bell 2018-04-22 02:59:44 +00:00
parent a6014cae15
commit f2121d1c0f
3 changed files with 107 additions and 0 deletions
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1
utils/corestringlist.h
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@ -70,6 +70,7 @@ CORESTRING_LWC_STRING(filename);
CORESTRING_LWC_STRING(font);
CORESTRING_LWC_STRING(frame);
CORESTRING_LWC_STRING(frameset);
CORESTRING_LWC_STRING(ftp);
CORESTRING_LWC_STRING(h1);
CORESTRING_LWC_STRING(h2);
CORESTRING_LWC_STRING(h3);

19
utils/nsurl.h
View File

@ -300,6 +300,25 @@ nserror nsurl_replace_query(const nsurl *url, const char *query,
nsurl **new_url);
/**
* Create a NetSurf URL object, with scheme replaced
*
* \param url NetSurf URL to create new NetSurf URL from
* \param scheme Scheme to use
* \param new_url Returns new NetSurf URL with scheme provided
* \return NSERROR_OK on success, appropriate error otherwise
*
* If return value != NSERROR_OK, nothing will be returned in new_url.
*
* It is up to the client to call nsurl_unref when they are finished with
* the created object.
*
* Any scheme component in url is replaced with scheme in new_url.
*/
nserror nsurl_replace_scheme(const nsurl *url, lwc_string *scheme,
nsurl **new_url);
/**
* Attempt to find a nice filename for a URL.
*

87
utils/nsurl/nsurl.c
View File

@ -648,6 +648,93 @@ nserror nsurl_replace_query(const nsurl *url, const char *query,
}
/* exported interface, documented in nsurl.h */
nserror nsurl_replace_scheme(const nsurl *url, lwc_string *scheme,
nsurl **new_url)
{
int scheme_len;
int base_len;
char *pos;
size_t len;
bool match;
assert(url != NULL);
assert(scheme != NULL);
/* Get the length of the new scheme */
scheme_len = lwc_string_length(scheme);
/* Find the change in length from url to new_url */
base_len = url->length;
if (url->components.scheme != NULL) {
base_len -= lwc_string_length(url->components.scheme);
}
/* Set new_url's length */
len = base_len + scheme_len;
/* Create NetSurf URL object */
*new_url = malloc(sizeof(nsurl) + len + 1); /* Add 1 for \0 */
if (*new_url == NULL) {
return NSERROR_NOMEM;
}
(*new_url)->length = len;
/* Set string */
pos = (*new_url)->string;
memcpy(pos, lwc_string_data(scheme), scheme_len);
memcpy(pos + scheme_len,
url->string + url->length - base_len, base_len);
pos[len] = '\0';
/* Copy components */
(*new_url)->components.scheme = lwc_string_ref(scheme);
(*new_url)->components.username =
nsurl__component_copy(url->components.username);
(*new_url)->components.password =
nsurl__component_copy(url->components.password);
(*new_url)->components.host =
nsurl__component_copy(url->components.host);
(*new_url)->components.port =
nsurl__component_copy(url->components.port);
(*new_url)->components.path =
nsurl__component_copy(url->components.path);
(*new_url)->components.query =
nsurl__component_copy(url->components.query);
(*new_url)->components.fragment =
nsurl__component_copy(url->components.fragment);
/* Compute new scheme type */
if (lwc_string_caseless_isequal(scheme, corestring_lwc_http,
&match) == lwc_error_ok && match == true) {
(*new_url)->components.scheme_type = NSURL_SCHEME_HTTP;
} else if (lwc_string_caseless_isequal(scheme, corestring_lwc_https,
&match) == lwc_error_ok && match == true) {
(*new_url)->components.scheme_type = NSURL_SCHEME_HTTPS;
} else if (lwc_string_caseless_isequal(scheme, corestring_lwc_file,
&match) == lwc_error_ok && match == true) {
(*new_url)->components.scheme_type = NSURL_SCHEME_FILE;
} else if (lwc_string_caseless_isequal(scheme, corestring_lwc_ftp,
&match) == lwc_error_ok && match == true) {
(*new_url)->components.scheme_type = NSURL_SCHEME_FTP;
} else if (lwc_string_caseless_isequal(scheme, corestring_lwc_mailto,
&match) == lwc_error_ok && match == true) {
(*new_url)->components.scheme_type = NSURL_SCHEME_MAILTO;
} else {
(*new_url)->components.scheme_type = NSURL_SCHEME_OTHER;
}
/* Get the nsurl's hash */
nsurl__calc_hash(*new_url);
/* Give the URL a reference */
(*new_url)->count = 1;
return NSERROR_OK;
}
/* exported interface documented in utils/nsurl.h */
nserror nsurl_nice(const nsurl *url, char **result, bool remove_extensions)
{