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Extract out the history code and create functions for it.

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(Easier to fix issues later on)
This commit is contained in:
Qball Cow 2014-05-13 10:45:59 +02:00
parent db9bb13111
commit 87b51f5430
5 changed files with 341 additions and 313 deletions
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2
Makefile.am
View file

@ -26,12 +26,14 @@ rofi_SOURCES=\
source/dmenu-dialog.c\
source/run-dialog.c\
source/ssh-dialog.c\
source/history.c\
config/config.c\
include/rofi.h\
include/run-dialog.h\
include/ssh-dialog.h\
include/dmenu-dialog.h\
include/xrmoptions.h\
include/history.h\
include/textbox.h
##

60
include/history.h Normal file
View file

@ -0,0 +1,60 @@
/**
* rofi
*
* MIT/X11 License
* Copyright 2013-2014 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __HISTORY_H__
#define __HISTORY_H__
/**
* @param filename The filename of the history cache.
* @param entry The entry to add/increment
*
* Sets the entry in the history, if it exists its use-count is incremented.
*
*/
void history_set ( const char *filename, const char *entry );
/**
* @param filename The filename of the history cache.
* @param entry The entry to remove
*
* Removes the entry from the history.
*/
void history_remove ( const char *filename, const char *entry );
/**
* @param filename The filename of the history cache.
* @param length The length of the returned list.
*
* Gets the entries in the list (in order of usage)
* @returns a list of entries length long. (and NULL terminated).
*/
char ** history_get_list ( const char *filename, unsigned int * length);
#endif

256
source/history.c Normal file
View file

@ -0,0 +1,256 @@
/**
* rofi
*
* MIT/X11 License
* Copyright 2013-2014 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <errno.h>
#include "rofi.h"
#include "history.h"
#define HISTORY_NAME_LENGTH 256
#define HISTORY_MAX_ENTRIES 25
typedef struct __element
{
long int index;
char name[HISTORY_NAME_LENGTH];
}_element;
static int __element_sort_func ( const void *ea, const void *eb )
{
_element *a = *(_element * *) ea;
_element *b = *(_element * *) eb;
return b->index - a->index;
}
static void __history_write_element_list( FILE *fd, _element **list, unsigned int length)
{
if(list == NULL) {
return;
}
// Sort the list before writing out.
qsort ( list, length, sizeof ( _element* ), __element_sort_func );
// Set the max length of the list.
length = (length > HISTORY_MAX_ENTRIES)? HISTORY_MAX_ENTRIES:length;
// Write out entries.
for(unsigned int iter = 0; iter < length ;iter++)
{
fprintf(fd , "%ld %s\n", list[iter]->index, list[iter]->name);
}
}
static _element ** __history_get_element_list ( FILE *fd, unsigned int *length )
{
_element **retv = NULL;
if (length == NULL)
{
return NULL;
}
*length = 0;
if( fd == NULL)
{
return NULL;
}
char buffer[HISTORY_NAME_LENGTH+16];
while ( fgets (buffer, HISTORY_NAME_LENGTH+16, fd ) != NULL)
{
// Skip empty lines.
if ( strlen ( buffer ) == 0 )
{
continue;
}
retv = reallocate ( retv, ( *length + 2 ) * sizeof ( _element* ) );
retv[(*length)] = allocate ( sizeof ( _element ) );
// remove trailing \n
buffer[strlen ( buffer ) - 1] = '\0';
// Parse the number of times.
char * start = NULL;
retv[(*length)]->index = strtol ( buffer, &start, 10 );
strncpy(retv[(*length)]->name, (start+1),HISTORY_NAME_LENGTH);
// Force trailing '\0'
retv[(*length)]->name[HISTORY_NAME_LENGTH-1] = '\0';
retv[(*length) + 1] = NULL;
(*length)++;
}
return retv;
}
void history_set ( const char *filename, const char *entry )
{
int found = 0;
unsigned int curr = 0;
unsigned int length = 0;
// Open file for reading and writing.
FILE *fd = fopen(filename, "a+");
if(fd == NULL)
{
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
return ;
}
// Get list.
_element ** list = __history_get_element_list(fd, &length);
// Look if the entry exists.
for(unsigned int iter = 0;!found && iter < length; iter++)
{
if(strcmp(list[iter]->name, entry) == 0)
{
curr = iter;
found = 1;
}
}
if(found) {
// If exists, increment list index number
list[curr]->index++;
}else{
// If not exists, add it.
// Increase list by one
list = reallocate(list,(length+2)*sizeof(_element *));
list[length] = allocate(sizeof(_element));
// Copy name
strncpy(list[length]->name, entry, HISTORY_NAME_LENGTH);
list[length]->name[HISTORY_NAME_LENGTH-1] = '\0';
// set # hits
list[length]->index = 1;
length++;
list[length] = NULL;
}
// Rewind.
fseek(fd, 0L, SEEK_SET);
// Clear file.
ftruncate(fileno(fd), 0);
// Write list.
__history_write_element_list(fd, list, length);
// Free the list.
for(unsigned int iter = 0; iter < length; iter++)
{
if(list[iter] != NULL) { free(list[iter]); }
}
if(list != NULL) free(list);
// Close file.
fclose(fd);
}
void history_remove ( const char *filename, const char *entry )
{
int found = 0;
unsigned int curr = 0;
unsigned int length = 0;
// Open file for reading and writing.
FILE *fd = fopen(filename, "a+");
if(fd == NULL)
{
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
return ;
}
// Get list.
_element ** list = __history_get_element_list(fd, &length);
// Find entry.
for(unsigned int iter = 0;!found && iter < length; iter++)
{
if(strcmp(list[iter]->name, entry) == 0)
{
curr = iter;
found = 1;
}
}
// If found, remove it and write out new file.
if(found) {
// Remove the entry.
free(list[curr]);
// Swap last to here (if list is size 1, we just swap empty sets).
list[curr] = list[length-1];
// Empty last.
list[length-1] = NULL;
length--;
// Rewind.
fseek(fd, 0L, SEEK_SET);
// Clear list.
ftruncate(fileno(fd), 0);
// Write list.
__history_write_element_list(fd, list, length);
}
// Free the list.
for(unsigned int iter = 0; iter < length; iter++)
{
if(list[iter] != NULL) { free(list[iter]); }
}
if(list != NULL) free(list);
// Close file.
fclose(fd);
}
char ** history_get_list ( const char *filename, unsigned int *length )
{
char **retv = NULL;
// Open file.
FILE *fd = fopen(filename, "r");
if(fd == NULL)
{
if(errno != ENOENT) {
fprintf(stderr, "Failed to open file: %s\n", strerror(errno));
}
return NULL;
}
// Get list.
_element ** list = __history_get_element_list(fd, length);
// Copy list in right format.
if((*length) > 0 )
{
retv = allocate(((*length)+1)*sizeof(char *));
for ( int iter = 0; iter < (*length); iter++)
{
retv[iter] = strdup(list[iter]->name);
free(list[iter]);
}
retv[(*length)] = NULL;
free(list);
}
fclose(fd);
return retv;
}

179
source/run-dialog.c
View file

@ -40,6 +40,7 @@
#include <errno.h>
#include "rofi.h"
#include "history.h"
#include "run-dialog.h"
#ifdef TIMING
#include <time.h>
@ -88,10 +89,6 @@ static pid_t exec_cmd ( const char *cmd, int run_in_term )
exit ( EXIT_FAILURE );
}
int curr = -1;
unsigned int index = 0;
element **retv = NULL;
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
@ -100,79 +97,7 @@ static pid_t exec_cmd ( const char *cmd, int run_in_term )
if(asprintf ( &path, "%s/%s", cache_dir, RUN_CACHE_FILE ) == -1) {
return -1;
}
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
if ( strlen ( buffer ) == 0 )
{
continue;
}
retv = reallocate ( retv, ( index + 2 ) * sizeof ( element* ) );
retv[index] = allocate ( sizeof ( element ) );
// remove trailing \n
buffer[strlen ( buffer ) - 1] = '\0';
char * start = NULL;
retv[index]->index = strtol ( buffer, &start, 10 );
snprintf ( retv[index]->name, RUN_DIALOG_NAME_LENGTH, "%s", start + 1 );
retv[index + 1] = NULL;
if ( strcasecmp ( retv[index]->name, cmd ) == 0 )
{
curr = index;
}
index++;
}
fclose ( fd );
}
if ( curr < 0 )
{
retv = reallocate ( retv, ( index + 2 ) * sizeof ( element* ) );
retv[index] = allocate ( sizeof ( element ) );
retv[index]->index = 1;
snprintf ( retv[index]->name, RUN_DIALOG_NAME_LENGTH, "%s", cmd );
index++;
}
else
{
retv[curr]->index++;
}
// Sort the list.
qsort ( retv, index, sizeof ( element* ), element_sort_func );
/**
* Write out the last 25 results again.
*/
fd = fopen ( path, "w" );
if ( fd )
{
for ( int i = 0; i < ( int ) index && i < 20; i++ )
{
if ( retv[i]->name && retv[i]->name[0] != '\0' )
{
fprintf ( fd, "%ld %s\n",
retv[i]->index,
retv[i]->name
);
}
}
fclose ( fd );
}
for ( int i = 0; retv != NULL && retv[i] != NULL; i++ )
{
free ( retv[i] );
}
free ( retv );
history_set(path, cmd);
free ( path );
@ -181,11 +106,6 @@ static pid_t exec_cmd ( const char *cmd, int run_in_term )
// execute sub-process
static void delete_entry ( const char *cmd )
{
int curr = -1;
unsigned int index = 0;
element **retv = NULL;
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
@ -194,67 +114,7 @@ static void delete_entry ( const char *cmd )
if(asprintf ( &path, "%s/%s", cache_dir, RUN_CACHE_FILE ) == -1) {
return;
}
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
char * start = NULL;
if ( strlen ( buffer ) == 0 )
{
continue;
}
retv = reallocate ( retv, ( index + 2 ) * sizeof ( element* ) );
retv[index] = allocate ( sizeof ( element ) );
// remove trailing \n
buffer[strlen ( buffer ) - 1] = '\0';
retv[index]->index = strtol ( buffer, &start, 10 );
snprintf ( retv[index]->name, RUN_DIALOG_NAME_LENGTH, "%s", start + 1 );
retv[index + 1] = NULL;
if ( strcasecmp ( retv[index]->name, cmd ) == 0 )
{
curr = index;
}
index++;
}
fclose ( fd );
}
/**
* Write out the last 25 results again.
*/
fd = fopen ( path, "w" );
if ( fd )
{
for ( int i = 0; i < ( int ) index && i < 20; i++ )
{
if ( i != curr )
{
if ( retv[i]->name && retv[i]->name[0] != '\0' )
{
fprintf ( fd, "%ld %s\n",
retv[i]->index,
retv[i]->name
);
}
}
}
fclose ( fd );
}
for ( int i = 0; retv != NULL && retv[i] != NULL; i++ )
{
free ( retv[i] );
}
free ( retv );
history_remove(path, cmd);
free ( path );
}
@ -282,37 +142,10 @@ static char ** get_apps ( )
if(asprintf ( &path, "%s/%s", cache_dir, RUN_CACHE_FILE ) > 0) {
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
if ( strlen ( buffer ) == 0 )
{
continue;
}
// remove trailing \n
buffer[strlen ( buffer ) - 1] = '\0';
char *start = NULL;
// Don't use result.
strtol ( buffer, &start, 10 );
if ( start == NULL )
{
continue;
}
retv = reallocate ( retv, ( index + 2 ) * sizeof ( char* ) );
retv[index] = strdup ( start + 1 );
retv[index + 1] = NULL;
index++;
num_favorites++;
}
fclose ( fd );
}
retv = history_get_list(path, &index);
free ( path );
// Keep track of how many where loaded as favorite.
num_favorites=index;
}

157
source/ssh-dialog.c
View file

@ -40,12 +40,13 @@
#include <errno.h>
#include "rofi.h"
#include "history.h"
#include "ssh-dialog.h"
#ifdef TIMING
#include <time.h>
#endif
#define SSH_CACHE_FILE "rofi.sshcache"
#define SSH_CACHE_FILE "rofi-2.sshcache"
static inline int execshssh ( const char *host )
{
@ -96,71 +97,16 @@ static pid_t exec_ssh ( const char *cmd )
exit ( EXIT_FAILURE );
}
int curr = -1;
unsigned int index = 0;
char **retv = NULL;
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
*/
char *path = allocate ( strlen ( cache_dir ) + strlen ( SSH_CACHE_FILE ) + 3 );
sprintf ( path, "%s/%s", cache_dir, SSH_CACHE_FILE );
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
char *path = NULL;
if(asprintf ( &path, "%s/%s", cache_dir, SSH_CACHE_FILE ) > 0)
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
retv = reallocate ( retv, ( index + 2 ) * sizeof ( char* ) );
buffer[strlen ( buffer ) - 1] = '\0';
retv[index] = strdup ( buffer );
retv[index + 1] = NULL;
if ( strcasecmp ( retv[index], cmd ) == 0 )
{
curr = index;
}
index++;
}
fclose ( fd );
history_set(path, cmd);
free(path);
}
/**
* Write out the last 25 results again.
*/
fd = fopen ( path, "w" );
if ( fd )
{
// Last one goes on top!
fputs ( cmd, fd );
fputc ( '\n', fd );
for ( int i = 0; i < ( int ) index && i < 20; i++ )
{
if ( i != curr )
{
fputs ( retv[i], fd );
fputc ( '\n', fd );
}
}
fclose ( fd );
}
for ( int i = 0; retv != NULL && retv[i] != NULL; i++ )
{
free ( retv[i] );
}
free ( retv );
free ( path );
return pid;
}
static void delete_ssh ( const char *cmd )
@ -169,67 +115,12 @@ static void delete_ssh ( const char *cmd )
{
return;
}
int curr = -1;
unsigned int index = 0;
char **retv = NULL;
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
*/
char *path = allocate ( strlen ( cache_dir ) + strlen ( SSH_CACHE_FILE ) + 3 );
sprintf ( path, "%s/%s", cache_dir, SSH_CACHE_FILE );
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
char *path = NULL;
if(asprintf ( &path, "%s/%s", cache_dir, SSH_CACHE_FILE ) > 0)
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
retv = reallocate ( retv, ( index + 2 ) * sizeof ( char* ) );
buffer[strlen ( buffer ) - 1] = '\0';
retv[index] = strdup ( buffer );
retv[index + 1] = NULL;
if ( strcasecmp ( retv[index], cmd ) == 0 )
{
curr = index;
}
index++;
}
fclose ( fd );
history_remove(path, cmd);
free(path);
}
/**
* Write out the last 25 results again.
*/
fd = fopen ( path, "w" );
if ( fd )
{
for ( int i = 0; i < ( int ) index && i < 20; i++ )
{
if ( i != curr )
{
fputs ( retv[i], fd );
fputc ( '\n', fd );
}
}
fclose ( fd );
}
for ( int i = 0; retv != NULL && retv[i] != NULL; i++ )
{
free ( retv[i] );
}
free ( retv );
free ( path );
}
static int sort_func ( const void *a, const void *b )
{
@ -253,34 +144,20 @@ static char ** get_ssh ( )
return NULL;
}
path = allocate ( strlen ( cache_dir ) + strlen ( "/"SSH_CACHE_FILE ) + 2 );
sprintf ( path, "%s/%s", cache_dir, SSH_CACHE_FILE );
FILE *fd = fopen ( path, "r" );
char buffer[1024];
if ( fd != NULL )
if(asprintf ( &path, "%s/%s", cache_dir, SSH_CACHE_FILE ) > 0)
{
while ( fgets ( buffer, 1024, fd ) != NULL )
{
retv = reallocate ( retv, ( index + 2 ) * sizeof ( char* ) );
buffer[strlen ( buffer ) - 1] = '\0';
retv[index] = strdup ( buffer );
retv[index + 1] = NULL;
index++;
num_favorites++;
}
fclose ( fd );
retv = history_get_list(path, &index);
free(path);
num_favorites = index;
}
free ( path );
const char *hd = getenv ( "HOME" );
path = allocate ( strlen ( hd ) + strlen ( ".ssh/config" ) + 3 );
sprintf ( path, "%s/%s", hd, ".ssh/config" );
fd = fopen ( path, "r" );
asprintf ( &path, "%s/%s", hd, ".ssh/config" );
FILE *fd = fopen ( path, "r" );
if ( fd != NULL )
{
char buffer[1024];
while ( fgets ( buffer, 1024, fd ) != NULL )
{
if ( strncasecmp ( buffer, "Host", 4 ) == 0 )