/
parameter.c
514 lines (449 loc) · 15.8 KB
/
parameter.c
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/* Input: A string with parameters
* Output: A string list with parameters substituted
* */
/* TODO: Parsing URIs is a pain. Especially for host name, and port. A better way to do is split according to the grammar of RFC 3986. Later */
#include <glib.h>
#include <string.h>
#include <libfm/fm-file-info.h>
#include "parameter.h"
/* NOTE: Sticking to natural behavior of returning a list with the unchanged input_string, incase nothing can be substituted, however, this is expensive. A better way would be to return NULL incase of no changes, and let the caller handle the NULL case, which implies that there is no change in the input_string */
GPtrArray* substitute_parameters(gchar *input_string, FmFileInfoList *file_info_list)
{
//printf("Input string is %s\n", input_string);
GPtrArray *out_string_array = g_ptr_array_new();
if(strchr(input_string, '%') == NULL){
//printf("Found nothing to expand. Returning input_string.\n");
g_ptr_array_add(out_string_array, g_string_new(input_string));
return out_string_array;
}
gsize i, j;
gsize len_file_list = fm_list_get_length(file_info_list);
GString *out_string = g_string_new(NULL);
gsize first_pos = strcspn(input_string, "%");
gchar *pos = input_string + first_pos;
g_string_append_len(out_string, input_string, first_pos);
GString *g_string_i = NULL;
gchar *base_name = NULL, *base_dir = NULL, *file_name = NULL, *host_name = NULL, *user_name = NULL, *port = NULL, *scheme = NULL, *uri = NULL, *file_name_wo_ext = NULL, *ext_pos = NULL;
gboolean array_is_init = FALSE;
FmFileInfo *file_info_i = NULL, *file_info_j = NULL;
char temp[256];
gboolean curr_dir_flag;
while((pos = strchr(pos, '%')) != NULL){
switch(pos[1]){
case 'b':
/* Works */
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
g_string_i = g_string_new(out_string->str);
file_info_i = fm_list_peek_nth(file_info_list, i);
base_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
g_string_append(g_string_i, base_name);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_string_free(g_string_i, TRUE);
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
base_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, base_name);
g_string_append_c(g_string_i, ' ');
}
break;
case 'B':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
base_name = (gchar *)fm_file_info_get_disp_name(file_info_j);
g_string_append(g_string_i, base_name);
g_string_append_c(g_string_i, ' ');
}
}
break;
case 'c':
/* Works */
memset(temp, 256, 0);
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
sprintf(temp, "%u", len_file_list);
g_string_append(g_string_i, temp);
g_string_append_c(g_string_i, ' ');
}
break;
case 'd':
/* Works */
curr_dir_flag = FALSE;
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
g_string_i = g_string_new(out_string->str);
file_info_i = fm_list_peek_nth(file_info_list, i);
if(fm_file_info_is_dir(file_info_i) == TRUE){
base_dir = fm_path_to_str(fm_file_info_get_path(file_info_i));
} else {
if(curr_dir_flag == FALSE){
base_dir = g_get_current_dir();
curr_dir_flag = TRUE;
} else {
continue;
}
}
g_string_append(g_string_i, base_dir);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_free(base_dir);
g_string_free(g_string_i, TRUE);
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
if(fm_file_info_is_dir(file_info_i) == TRUE){
base_dir = fm_path_to_str(fm_file_info_get_path(file_info_i));
} else {
if(curr_dir_flag == FALSE){
base_dir = g_get_current_dir();
curr_dir_flag = TRUE;
} else {
continue;
}
}
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, base_dir);
g_string_append_c(g_string_i, ' ');
}
g_free(base_dir);
break;
case 'D':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
curr_dir_flag = FALSE;
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
if(fm_file_info_is_dir(file_info_j) == TRUE){
base_dir = fm_path_to_str(fm_file_info_get_path(file_info_j));
} else {
if(curr_dir_flag == FALSE){
base_dir = g_get_current_dir();
curr_dir_flag = TRUE;
} else {
continue;
}
}
g_string_append(g_string_i, base_dir);
g_string_append_c(g_string_i, ' ');
g_free(base_dir);
}
}
break;
case 'f':
/* Works */
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
g_string_i = g_string_new(out_string->str);
file_info_i = fm_list_peek_nth(file_info_list, i);
file_name = (gchar *)fm_path_to_str(fm_file_info_get_path(file_info_i));
g_string_append(g_string_i, file_name);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_free(file_name);
g_string_free(g_string_i, TRUE);
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
file_name = (gchar *)fm_path_to_str(fm_file_info_get_path(file_info_i));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, file_name);
g_string_append_c(g_string_i, ' ');
}
g_free(file_name);
break;
case 'F':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
file_name = (gchar *)fm_path_to_str(fm_file_info_get_path(file_info_j));
g_string_append(g_string_i, file_name);
g_string_append_c(g_string_i, ' ');
g_free(file_name);
}
}
break;
case 'h':
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
file_info_i = fm_list_peek_nth(file_info_list, i);
host_name = get_host_name(file_info_i);
g_string_append(g_string_i, host_name);
g_string_append_c(g_string_i, ' ');
}
break;
case 'n':
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
file_info_i = fm_list_peek_nth(file_info_list, i);
user_name = get_user_name(file_info_i);
g_string_append(g_string_i, user_name);
g_string_append_c(g_string_i, ' ');
}
break;
case 'p':
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
file_info_i = fm_list_peek_nth(file_info_list, i);
port = get_port(file_info_i);
g_string_append(g_string_i, port);
g_string_append_c(g_string_i, ' ');
}
break;
case 's':
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
file_info_i = fm_list_peek_nth(file_info_list, i);
scheme = get_scheme(file_info_i);
g_string_append(g_string_i, scheme);
g_string_append_c(g_string_i, ' ');
}
break;
case 'u':
/* Works */
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
g_string_i = g_string_new(out_string->str);
file_info_i = fm_list_peek_nth(file_info_list, i);
uri = fm_path_to_uri(fm_file_info_get_path(file_info_i));
g_string_append(g_string_i, uri);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_string_free(g_string_i, TRUE);
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
uri = fm_path_to_uri(fm_file_info_get_path(file_info_i));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, uri);
g_string_append_c(g_string_i, ' ');
}
break;
case 'U':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
uri = fm_path_to_uri(fm_file_info_get_path(file_info_j));
g_string_append(g_string_i, uri);
g_string_append_c(g_string_i, ' ');
}
}
break;
case 'w':
/* Works */
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
g_string_i = g_string_new(out_string->str);
file_info_i = fm_list_peek_nth(file_info_list, i);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
//printf("%s\n", file_name);
ext_pos = g_strrstr(fm_file_info_get_disp_name(fm_list_peek_nth(file_info_list, i)), ".");
if(ext_pos != NULL)
file_name_wo_ext = g_strndup(file_name, strlen(file_name) - strlen(ext_pos));
else
file_name_wo_ext = g_strdup(file_name);
g_string_append(g_string_i, file_name_wo_ext);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_free(file_name_wo_ext);
g_string_free(g_string_i, TRUE);
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
ext_pos = g_strrstr(file_name, ".");
if(ext_pos != NULL)
file_name_wo_ext = g_strndup(file_name, strlen(file_name) - strlen(ext_pos));
else
file_name_wo_ext = g_strdup(file_name);
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, file_name_wo_ext);
g_string_append_c(g_string_i, ' ');
}
g_free(file_name_wo_ext);
break;
case 'W':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_j);
ext_pos = g_strrstr(file_name, ".");
if(ext_pos != NULL)
file_name_wo_ext = g_strndup(file_name, strlen(file_name) - strlen(ext_pos));
else
file_name_wo_ext = g_strdup(file_name);
g_string_append(g_string_i, file_name_wo_ext);
g_string_append_c(g_string_i, ' ');
g_free(file_name_wo_ext);
}
}
break;
case 'x':
/* Works */
if(array_is_init == FALSE){
for(i=0; i<len_file_list; ++i){
file_info_i = fm_list_peek_nth(file_info_list, i);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
ext_pos = g_strrstr(file_name, ".");
if(ext_pos != NULL){
g_string_i = g_string_new(out_string->str);
g_string_append(g_string_i, ext_pos);
g_string_append_c(g_string_i, ' ');
g_ptr_array_add(out_string_array, g_string_new(g_string_i->str));
g_free(file_name_wo_ext);
g_string_free(g_string_i, TRUE);
}
}
break;
}
file_info_i = fm_list_peek_head(file_info_list);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_i);
ext_pos = g_strrstr(file_name, ".");
if(ext_pos == NULL)
break;
for(i=0; i<out_string_array->len;++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, ext_pos);
g_string_append_c(g_string_i, ' ');
}
break;
case 'X':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
for(j=0; j<len_file_list; ++j){
file_info_j= fm_list_peek_nth(file_info_list, j);
file_name = (gchar *)fm_file_info_get_disp_name(file_info_j);
ext_pos = g_strrstr(file_name, ".");
if(ext_pos != NULL){
g_string_append(g_string_i, ext_pos);
g_string_append_c(g_string_i, ' ');
}
}
}
break;
case '%':
/* Works */
if(array_is_init == FALSE)
g_ptr_array_add(out_string_array, g_string_new(out_string->str));
for(i=0; i<out_string_array->len; ++i){
g_string_i = (GString *)g_ptr_array_index(out_string_array, i);
g_string_append(g_string_i, "% ");
}
break;
default:
return NULL;
}
pos += 2;
(array_is_init == FALSE)?array_is_init = TRUE:0;
}
return out_string_array;
}
gchar *get_host_name(FmFileInfo *file_info)
{
/* TODO: Update to support IPv6. Different rules just for IPv6. Hence, ignoring */
gchar *host_name = NULL;
gsize host_length;
gchar *uri = fm_path_to_uri(fm_file_info_get_path(file_info));
gchar *user_pos = strchr(uri, ':');
if(user_pos == NULL) return "";
user_pos += 1;
if(strncmp(user_pos, "//", 2) == 0)
user_pos += 2;
gchar *host_pos = strchr(uri, '@');
if(host_pos == NULL)
host_pos = user_pos;
else
host_pos += 1;
if(strchr(host_pos, ':') != NULL){
host_length = strcspn(host_pos, ":");
host_name = g_strndup(host_pos, host_length);
} else {
printf("here\n");
host_length = strcspn(host_pos, "/");
host_name = g_strndup(host_pos, host_length);
}
return host_name;
}
gchar *get_user_name(FmFileInfo *file_info)
{
gchar *uri = fm_path_to_uri(fm_file_info_get_path(file_info));
gsize user_length;
gchar *user_pos = NULL, *user_name = NULL;
user_pos = strchr(uri, ':');
if(user_pos == NULL) return "";
user_pos += 1;
if(strncmp(user_pos, "//", 2) == 0)
user_pos += 2;
if(strchr(user_pos, '@') != NULL){
user_length = strcspn(user_pos, "@");
user_name = g_strndup(user_pos, user_length);
} else {
user_name = "";
}
return user_name;
}
gchar *get_port(FmFileInfo *file_info)
{
/* TODO: Update for IPv6 support */
gchar *uri = fm_path_to_uri(fm_file_info_get_path(file_info));
gchar *user_pos = strchr(uri, ':') + 1;
user_pos += 1;
if(strncmp(user_pos, "//", 2) == 0)
user_pos += 2;
gchar *port_pos = strchr(user_pos, ':');
if(port_pos == NULL) return "";
gsize port_length = strcspn(port_pos, "/");
gchar *port = g_strndup(port_pos, port_length) + 1;
return port;
}
gchar *get_scheme(FmFileInfo *file_info)
{
gchar *uri = fm_path_to_uri(fm_file_info_get_path(file_info));
gchar *scheme = g_uri_parse_scheme(uri);
return scheme;
}