mirror of
https://gitlab.com/klmp200/fish.git
synced 2024-11-14 04:43:20 +00:00
173 lines
3.0 KiB
C
173 lines
3.0 KiB
C
// Created by Arthur Amalvy
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <dirent.h>
|
|
#include <string.h>
|
|
#include "fish_core.h"
|
|
#include "fish_globbing.h"
|
|
|
|
WordList * fishExpand(WordList *wordList) {
|
|
|
|
if(wordList->size > 1){
|
|
|
|
int i;
|
|
WordList* newWordList = createWordList();// creating the list to return
|
|
|
|
if(newWordList == NULL){//crash when the allocation is unsuccessful
|
|
crash();
|
|
}
|
|
|
|
addEndWordList(newWordList, wordList->first->word);//copy the command into the returning word list
|
|
|
|
|
|
WordListElement* tempElement = wordList->first->next; //temporary nav element
|
|
|
|
for(i=1; i<wordList->size; i++){
|
|
|
|
//TODO : optimize the stringContains() function to test for a list of characters
|
|
//test if we have to expand a string or not, for optimization purposes
|
|
if(stringContains(tempElement->word, '*') || stringContains(tempElement->word, '?')){
|
|
|
|
concatWordList(newWordList, expandWord(tempElement->word));
|
|
|
|
}
|
|
//If we dont have to expand, add the current word unchanged to the new list
|
|
else{
|
|
addEndWordList(newWordList, tempElement->word);
|
|
}
|
|
|
|
tempElement = tempElement->next;
|
|
|
|
}
|
|
|
|
freeWordList(wordList);
|
|
return newWordList;
|
|
|
|
}
|
|
|
|
else return wordList;
|
|
|
|
}
|
|
|
|
WordList* expandWord(char* word){
|
|
|
|
if(!stringContains(word, '/')){
|
|
|
|
return getFiles((char*) "./", word);
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
return getFiles(word, (char*) "*");//temporary
|
|
//return();
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
WordList* getFiles(char* path, char* wildcardedString){
|
|
|
|
DIR* directory;
|
|
dirent* dir;
|
|
|
|
WordList* files = createWordList();
|
|
|
|
|
|
if((directory = opendir(path)) != NULL){
|
|
|
|
while((dir = readdir(directory)) != NULL){
|
|
|
|
if(strcmp(dir->d_name, ".") && strcmp(dir->d_name, "..") && wildcardedStringMatches(wildcardedString, dir->d_name)){//sorry strcmp but I dont like you :(
|
|
|
|
//dont read this, and if you do, do not complain, it's strcat's fault. you've been warned.
|
|
char* filePath = (char*) malloc(sizeof(char) * (strlen(path) + strlen(dir->d_name)) + 1);
|
|
if(filePath == NULL) crash();
|
|
filePath[0] = '\0';
|
|
strcat(filePath, path);
|
|
strcat(filePath, dir->d_name);
|
|
addEndWordList(files, filePath);
|
|
free(filePath);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
closedir(directory); //YY U LEAK MEMORY ? NOT ON MY WATCH
|
|
|
|
|
|
}
|
|
|
|
return files;
|
|
|
|
}
|
|
|
|
|
|
int wildcardedStringMatches(char* string1, char* string2){//TODO
|
|
|
|
int i = 0;
|
|
char tempIChar;
|
|
int j = 0;
|
|
|
|
if(string1 != NULL && string2 != NULL){
|
|
|
|
while(string1[i] != '\0' && string2[j] != '\0'){
|
|
|
|
if(string1[i] == '*'){
|
|
|
|
tempIChar = string1[i+1];
|
|
|
|
while(string2[j] != tempIChar){
|
|
|
|
j++;
|
|
|
|
if(string2[j] == '\0' && tempIChar == '\0'){
|
|
return 1;
|
|
}
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
if(string1[i] != string2[j] && string1[i] != '?'){
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
i++;
|
|
j++;
|
|
|
|
}
|
|
|
|
if(string1[i] == '\0' && string2[j] == '\0'){
|
|
|
|
return 1;
|
|
|
|
}
|
|
else{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else{
|
|
|
|
printf("warning : fuck you, strings are considered null");
|
|
crash();
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|