mirror of
https://gitlab.com/klmp200/fish.git
synced 2024-12-22 07:41:08 +00:00
Merge branch 'sli' into 'master'
On a des grosses bites See merge request !15
This commit is contained in:
commit
40fda08947
@ -10,6 +10,7 @@
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/* Necessary global variables */
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char * builtinCommandsStr[] = {
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(char *) "clear",
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(char *) "kek",
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(char *) "cd",
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(char *) "help",
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@ -17,6 +18,7 @@ char * builtinCommandsStr[] = {
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};
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builtinCommand *builtinCommands[] = {
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&fishClear,
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&fishKek,
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&fishCd,
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&fishHelp,
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@ -81,3 +83,16 @@ int fishKek(WordArray *args) {
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int getNbBuiltins() {
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return sizeof(builtinCommandsStr) / sizeof(char*);
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}
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void fishSignalHandler(int s) {
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switch (s) {
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default:
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break;
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}
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}
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int fishClear(WordArray *args) {
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if (args != NULL) freeWordArray(args);
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system("clear");
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return EXIT_SUCCESS;
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}
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@ -23,4 +23,8 @@ int fishExit(WordArray * args);
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int fishKek(WordArray *args);
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int fishClear(WordArray *args);
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void fishSignalHandler(int s);
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#endif //FISH_FISH_COMMANDS_H
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@ -1,25 +1,83 @@
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//
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// Created by Antoine Bartuccio on 11/05/2017.
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// Dont forget that Antoine Bartuccio is a faggot since 1784 (tm)
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <pcre.h>
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#include "fish_core.h"
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#include "fish_globbing.h"
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#include "fish_types.h"
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#define REDIRECT_EXIT_FREE() signal = EXIT_FAILURE; \
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freeWordList(list);\
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freeWordList(splited);
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#define REDIRECT_STD(std, open_mode) if (splited->size == 0) {REDIRECT_EXIT_FREE()\
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} else {\
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redirect_file = fopen(splited->first->word, open_mode);\
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if (redirect_file == NULL) { REDIRECT_EXIT_FREE() } else {\
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saved_std = dup(std);\
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dup2(fileno(redirect_file), std);\
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signal = fishExecute(list);\
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dup2(saved_std, std);\
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fclose(redirect_file);\
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freeWordList(splited);\
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}\
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}
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pipe_redirection * getRedirection(){
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static pipe_redirection * redirection = NULL;
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if (redirection == NULL){
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redirection = (pipe_redirection*) malloc(sizeof(pipe_redirection));
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if (redirection == NULL) crash();
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redirection->files_name[0] = strdup((char*) "/tmp/fishXXXXXX");
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redirection->files_name[1] = strdup((char*) "/tmp/fishXXXXXX");
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redirection->tmp_files[0] = mkstemp(redirection->files_name[0]);
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redirection->tmp_files[1] = mkstemp(redirection->files_name[1]);
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redirection->to_use = 0;
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redirection->read = WRITE;
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redirection->nb = 0;
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redirection->nb_max = 0;
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redirection->file_use = 0;
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}
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return redirection;
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}
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void freeRedirection(){
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pipe_redirection * redirection = getRedirection();
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close(redirection->tmp_files[0]);
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close(redirection->tmp_files[1]);
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unlink(redirection->files_name[0]);
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unlink(redirection->files_name[1]);
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remove(redirection->files_name[0]);
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remove(redirection->files_name[1]);
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free(redirection->files_name[0]);
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free(redirection->files_name[1]);
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free(redirection);
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}
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void fishLoop(Settings * settings){
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char * line = NULL;
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WordList* splited = NULL;
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int status = 1;
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pipe_redirection *r = getRedirection();
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do {
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printf("%s", settings->PS1);
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line = fishReadLine();
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r->to_use = 0;
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r->nb = countSeparators(line, (char*) "\\|[^\\|]");
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r->nb_max = r->nb;
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splited = split(line, (char*) FISH_TOKENS);
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splited = fishExpand(splited);
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@ -30,20 +88,24 @@ void fishLoop(Settings * settings){
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} while(status != EXIT_SIGNAL);
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}
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int countSeparators(char *string, char *separators) {
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int countSeparators(char *string, char *regex) {
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const char* error;
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int error_offset;
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int ovector[100];
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int nb = 0;
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int i = 0;
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int k = 0;
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while (string[i] != '\0'){
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while (separators[k] != '\0'){
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if (string[i] == separators[k]){
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nb++;
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}
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k++;
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}
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i++;
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k = 0;
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int string_size = (int) strlen(string);
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int ovector_size = 100;
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int offset = 0;
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pcre *re = pcre_compile(regex, 0, &error, &error_offset, 0);
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if (!re) crash();
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while (pcre_exec(re, 0, string, string_size, offset, 0, ovector, ovector_size) >= 0){
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offset = ovector[1];
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nb++;
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}
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pcre_free(re);
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return nb;
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}
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@ -66,24 +128,26 @@ WordList * split(char *string, char *separator){
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}
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char *fishReadLine() {
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struct sigaction signal_handler;
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size_t bufferSize = FISH_BUFFER_SIZE;
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int position = 0;
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char *line = (char*) malloc(sizeof(char*) * bufferSize);
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int c;
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if (line == NULL){
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crash();
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}
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if (line == NULL) crash();
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signal_handler.sa_handler = fishSignalHandler;
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sigemptyset(&signal_handler.sa_mask);
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signal_handler.sa_flags = 0;
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while (1){
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sigaction(SIGINT, &signal_handler, NULL);
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c = getchar();
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switch (c){
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case '\n':
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line[position] = '\0';
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return line;
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case EOF:
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exit(EXIT_SUCCESS);
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default:
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line[position] = (char) c;
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}
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@ -91,7 +155,7 @@ char *fishReadLine() {
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position++;
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if ((size_t) position > bufferSize){
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bufferSize+=bufferSize;
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bufferSize += bufferSize;
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line = (char*) realloc(line, bufferSize);
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if (line == NULL){
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crash();
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@ -99,7 +163,6 @@ char *fishReadLine() {
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}
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}
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return NULL;
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}
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@ -107,9 +170,20 @@ char *fishReadLine() {
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int fishLoad(WordArray *array) {
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pid_t pid;
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int status = 1;
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pipe_redirection *redirection = getRedirection();
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pid = fork();
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if (pid == 0){
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if (redirection->to_use){
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if (redirection->read == READ){
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dup2(redirection->tmp_files[redirection->file_use], STDIN_FILENO);
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} else if (redirection->read == WRITE) {
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dup2(redirection->tmp_files[redirection->file_use], STDOUT_FILENO);
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} else {
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dup2(redirection->tmp_files[!redirection->file_use], STDIN_FILENO);
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dup2(redirection->tmp_files[redirection->file_use], STDOUT_FILENO);
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}
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}
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/* Executes only in the child process */
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if (execvp(array->words[0], array->words) == -1){
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/* Error during system call */
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@ -121,7 +195,6 @@ int fishLoad(WordArray *array) {
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perror("fish");
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} else {
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/* Handle parent process */
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/* Wait for the child process to finish */
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do {
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waitpid(pid, &status, WUNTRACED);
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@ -129,6 +202,7 @@ int fishLoad(WordArray *array) {
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if (status) fprintf(stderr, "%s\n", getInsult());
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}
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freeWordArray(array);
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return status;
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}
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@ -136,6 +210,10 @@ int fishExecute(WordList *list) {
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WordList *splited = NULL;
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shell_operator op = NONE;
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WordArray *array = NULL;
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pipe_redirection *redirection = NULL;
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FILE *redirect_file = NULL;
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int saved_std;
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int pid;
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int signal = 1;
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splited = parseWordList(list, &op);
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@ -160,6 +238,71 @@ int fishExecute(WordList *list) {
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signal = fishExecute(list);
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if (signal != EXIT_SIGNAL) signal = fishExecute(splited);
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break;
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case PIPE:
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redirection = getRedirection();
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if (redirection->nb == redirection->nb_max){
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redirection->read = WRITE;
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redirection->file_use = 0;
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} else if (redirection->nb > 0){
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redirection->read = READ_AND_WRITE;
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redirection->file_use = !redirection->file_use;
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} else {
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redirection->read = READ;
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redirection->file_use = !redirection->file_use;
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}
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redirection->to_use = 1;
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--redirection->nb;
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if (redirection->read == WRITE) ftruncate(redirection->tmp_files[redirection->file_use], 0);
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lseek(redirection->tmp_files[0], 0L, 0);
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lseek(redirection->tmp_files[1], 0L, 0);
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fishExecute(list);
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redirection->read = WRITE;
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if (redirection->nb > 0){
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redirection->read = READ_AND_WRITE;
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} else {
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redirection->read = READ;
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}
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if (redirection->read == WRITE) ftruncate(redirection->tmp_files[redirection->file_use], 0);
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lseek(redirection->tmp_files[0], 0L, 0);
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lseek(redirection->tmp_files[1], 0L, 0);
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signal = fishExecute(splited);
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redirection->to_use = 0;
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break;
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case BACKGROUND_PROCESS:
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printf("Exécution en tache de fond\n");
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pid = fork();
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if(pid == 0){
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exit(fishExecute(list));
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} else if (pid < 0){
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perror("fish");
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} else if (splited->size > 0) signal = fishExecute(splited);
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else {
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freeWordList(splited);
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splited = NULL;
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signal = EXIT_SUCCESS;
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}
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break;
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case REDIRECT_STDOUT_ERASE:
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REDIRECT_STD(STDOUT_FILENO, "w");
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break;
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case REDIRECT_STDOUT_APPEND:
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REDIRECT_STD(STDOUT_FILENO, "a");
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break;
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case REDIRECT_STDERR_ERASE:
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REDIRECT_STD(STDERR_FILENO, "w");
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break;
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case REDIRECT_STDERR_APPEND:
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REDIRECT_STD(STDERR_FILENO, "a");
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break;
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case REDIRECT_STDIN:
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REDIRECT_STD(STDIN_FILENO, "r");
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break;
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default:
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array = wordListToWordArray(list);
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signal = loadRightCommand(array);
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@ -197,12 +340,26 @@ WordList * parseWordList(WordList *list, shell_operator *an_operator) {
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char *op_str[] = {
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(char*) ";",
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(char*) "\\|\\|",
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(char*) "&&"
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(char*) "&&",
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(char*) "\\|",
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(char*) "&",
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(char*) "2>>",
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(char*) ">>",
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(char*) "2>",
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(char*) ">",
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(char*) "<[^<]"
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};
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shell_operator op[] = {
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OR,
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REVERSE_AND,
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AND
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AND,
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PIPE,
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BACKGROUND_PROCESS,
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REDIRECT_STDERR_APPEND,
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REDIRECT_STDOUT_APPEND,
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REDIRECT_STDERR_ERASE,
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REDIRECT_STDOUT_ERASE,
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REDIRECT_STDIN
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};
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WordList *newList = NULL;
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int max = sizeof(op_str) / sizeof(char*);
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@ -27,7 +27,7 @@ void fishLoop(Settings * settings);
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char * fishReadLine();
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int countSeparators(char *string, char *separators); // Tested
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int countSeparators(char *string, char *regex); // Tested
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int fishLoad(WordArray *array);
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@ -37,4 +37,12 @@ WordList *parseWordList(WordList *list, shell_operator *an_operator);
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int loadRightCommand(WordArray *array);
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/* IN/OUT functions */
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/* Get a global pipe_redirection structure */
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pipe_redirection * getRedirection();
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/* Free redirection structure DO NOT TRY TO GET REDIRECTION AFTER */
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void freeRedirection();
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#endif //FISH_FISH_CORE_H
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@ -20,9 +20,20 @@ typedef enum {
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BACKGROUND_PROCESS,
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AND,
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OR,
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REVERSE_AND
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REVERSE_AND,
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REDIRECT_STDOUT_ERASE,
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REDIRECT_STDOUT_APPEND,
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REDIRECT_STDERR_ERASE,
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REDIRECT_STDERR_APPEND,
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REDIRECT_STDIN
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} shell_operator ;
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typedef enum {
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READ,
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WRITE,
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READ_AND_WRITE
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} redirection_mode ;
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typedef struct {
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char ** words;
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int size;
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@ -47,6 +58,15 @@ typedef struct {
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struct passwd* passwd;
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} Settings;
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typedef struct {
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int to_use;
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int nb;
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int nb_max;
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int file_use;
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int tmp_files[2];
|
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char * files_name[2];
|
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redirection_mode read;
|
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} pipe_redirection;
|
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typedef int (builtinCommand) (WordArray*);
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@ -29,5 +29,8 @@ TEST(command_split, split){
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}
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TEST(count_tokens, countSeparators){
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ASSERT_TRUE(countSeparators((char*) "Ceci est un super \n test", (char*) FISH_TOKENS) == 6);
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ASSERT_TRUE(countSeparators((char*) "Ceci est un super \n test", (char*) " ") == 5);
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ASSERT_TRUE(countSeparators((char*) "patate | patate| patatine", (char*) "\\|") == 2);
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ASSERT_TRUE(countSeparators((char*) "patate | patate| patatine |", (char*) "\\|") == 3);
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ASSERT_TRUE(countSeparators((char*) "patate | patate|| patatine |", (char*) "\\|[^\\|]") == 2);
|
||||
}
|
||||
|
||||
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Reference in New Issue
Block a user