zathura/completion.c
2012-03-24 20:35:51 +01:00

316 lines
8.0 KiB
C

/* See LICENSE file for license and copyright information */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <libgen.h>
#include "bookmarks.h"
#include "completion.h"
#include "utils.h"
#include <girara/session.h>
#include <girara/settings.h>
#include <girara/completion.h>
#include <girara/utils.h>
#include <girara/datastructures.h>
static int
compare_case_insensitive(const char* str1, const char* str2)
{
char* ustr1 = g_utf8_casefold(str1, -1);
char* ustr2 = g_utf8_casefold(str2, -1);
int res = g_utf8_collate(ustr1, ustr2);
g_free(ustr1);
g_free(ustr2);
return res;
}
static girara_list_t*
list_files(zathura_t* zathura, const char* current_path, const char* current_file,
int current_file_length, bool is_dir, bool check_file_ext)
{
if (zathura == NULL || zathura->ui.session == NULL || current_path == NULL) {
return NULL;
}
/* read directory */
GDir* dir = g_dir_open(current_path, 0, NULL);
if (dir == NULL) {
return NULL;
}
girara_list_t* res = girara_sorted_list_new2((girara_compare_function_t)compare_case_insensitive,
(girara_free_function_t)g_free);
bool show_hidden = false;
girara_setting_get(zathura->ui.session, "show-hidden", &show_hidden);
bool show_directories = true;
girara_setting_get(zathura->ui.session, "show-directories", &show_directories);
/* read files */
char* name = NULL;
while ((name = (char*) g_dir_read_name(dir)) != NULL) {
char* e_name = g_filename_display_name(name);
if (e_name == NULL) {
goto error_free;
}
int e_length = strlen(e_name);
if (show_hidden == false && e_name[0] == '.') {
g_free(e_name);
continue;
}
if ((current_file_length > e_length) || strncmp(current_file, e_name, current_file_length)) {
g_free(e_name);
continue;
}
char* tmp = "/";
if (is_dir == true || g_strcmp0(current_path, "/") == 0) {
tmp = "";
};
char* full_path = g_strdup_printf("%s%s%s", current_path, tmp, e_name);
if (g_file_test(full_path, G_FILE_TEST_IS_DIR) == true) {
if (show_directories == false) {
g_free(e_name);
g_free(full_path);
continue;
}
girara_list_append(res, full_path);
} else if (check_file_ext == false || file_valid_extension(zathura, full_path) == true) {
girara_list_append(res, full_path);
} else {
g_free(full_path);
}
g_free(e_name);
}
g_dir_close(dir);
if (girara_list_size(res) == 1) {
char* path = girara_list_nth(res, 0);
if (g_file_test(path, G_FILE_TEST_IS_DIR) == true) {
char* newpath = g_strdup_printf("%s/", path);
girara_list_clear(res);
girara_list_append(res, newpath);
}
}
return res;
error_free:
girara_list_free(res);
return NULL;
}
girara_completion_t*
list_files_for_cc(zathura_t* zathura, const char* input, bool check_file_ext)
{
girara_completion_t* completion = girara_completion_init();
girara_completion_group_t* group = girara_completion_group_create(zathura->ui.session, NULL);
gchar* path = NULL;
gchar* current_path = NULL;
if (completion == NULL || group == NULL) {
goto error_free;
}
path = girara_fix_path(input);
if (path == NULL) {
goto error_free;
}
/* If the path does not begin with a slash we update the path with the current
* working directory */
if (strlen(path) == 0 || path[0] != '/') {
long path_max;
#ifdef PATH_MAX
path_max = PATH_MAX;
#else
path_max = pathconf(path,_PC_PATH_MAX);
if (path_max <= 0)
path_max = 4096;
#endif
char cwd[path_max];
if (getcwd(cwd, path_max) == NULL) {
goto error_free;
}
char* tmp_path = g_strdup_printf("%s/%s", cwd, path);
g_free(path);
path = tmp_path;
}
/* Append a slash if the given argument is a directory */
bool is_dir = (path[strlen(path) - 1] == '/') ? true : false;
if ((g_file_test(path, G_FILE_TEST_IS_DIR) == TRUE) && !is_dir) {
char* tmp_path = g_strdup_printf("%s/", path);
g_free(path);
path = tmp_path;
is_dir = true;
}
/* get current path */
char* tmp = g_strdup(path);
current_path = is_dir ? g_strdup(tmp) : g_strdup(dirname(tmp));
g_free(tmp);
/* get current file */
gchar* current_file = is_dir ? "" : basename(path);
int current_file_length = strlen(current_file);
/* read directory */
if (g_file_test(current_path, G_FILE_TEST_IS_DIR) == TRUE) {
girara_list_t* names = list_files(zathura, current_path, current_file, current_file_length, is_dir, check_file_ext);
if (!names) {
goto error_free;
}
GIRARA_LIST_FOREACH(names, const char*, iter, file)
girara_completion_group_add_element(group, file, NULL);
GIRARA_LIST_FOREACH_END(names, const char*, iter, file);
girara_list_free(names);
}
g_free(path);
g_free(current_path);
girara_completion_add_group(completion, group);
return completion;
error_free:
if (completion) {
girara_completion_free(completion);
}
if (group) {
girara_completion_group_free(group);
}
g_free(current_path);
g_free(path);
return NULL;
}
girara_completion_t*
cc_open(girara_session_t* session, const char* input)
{
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(session->global.data != NULL, NULL);
zathura_t* zathura = session->global.data;
return list_files_for_cc(zathura, input, true);
}
girara_completion_t*
cc_write(girara_session_t* session, const char* input)
{
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(session->global.data != NULL, NULL);
zathura_t* zathura = session->global.data;
return list_files_for_cc(zathura, input, false);
}
girara_completion_t*
cc_bookmarks(girara_session_t* session, const char* input)
{
if (input == NULL) {
return NULL;
}
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(session->global.data != NULL, NULL);
zathura_t* zathura = session->global.data;
girara_completion_t* completion = girara_completion_init();
girara_completion_group_t* group = girara_completion_group_create(session, NULL);
if (completion == NULL || group == NULL) {
goto error_free;
}
const size_t input_length = strlen(input);
GIRARA_LIST_FOREACH(zathura->bookmarks.bookmarks, zathura_bookmark_t*, iter, bookmark)
if (input_length <= strlen(bookmark->id) && !strncmp(input, bookmark->id, input_length)) {
gchar* paged = g_strdup_printf("Page %d", bookmark->page);
girara_completion_group_add_element(group, bookmark->id, paged);
g_free(paged);
}
GIRARA_LIST_FOREACH_END(zathura->bookmarks.bookmarks, zathura_bookmark_t*, iter, bookmark);
girara_completion_add_group(completion, group);
return completion;
error_free:
if (completion) {
girara_completion_free(completion);
}
if (group) {
girara_completion_group_free(group);
}
return NULL;
}
girara_completion_t*
cc_export(girara_session_t* session, const char* input)
{
if (input == NULL) {
return NULL;
}
g_return_val_if_fail(session != NULL, NULL);
g_return_val_if_fail(session->global.data != NULL, NULL);
zathura_t* zathura = session->global.data;
girara_completion_t* completion = girara_completion_init();
girara_completion_group_t* group = girara_completion_group_create(session, NULL);
if (completion == NULL || group == NULL) {
goto error_free;
}
const size_t input_length = strlen(input);
girara_list_t* attachments = zathura_document_attachments_get(zathura->document, NULL);
if (attachments == NULL) {
goto error_free;
}
GIRARA_LIST_FOREACH(attachments, const char*, iter, attachment)
if (input_length <= strlen(attachment) && !strncmp(input, attachment, input_length)) {
girara_completion_group_add_element(group, attachment, NULL);
}
GIRARA_LIST_FOREACH_END(zathura->bookmarks.bookmarks, zathura_bookmark_t*, iter, bookmark);
girara_completion_add_group(completion, group);
girara_list_free(attachments);
return completion;
error_free:
if (completion) {
girara_completion_free(completion);
}
if (group) {
girara_completion_group_free(group);
}
return NULL;
}