Merge pull request #173 from taiyu-len/config_mode

config modes
This commit is contained in:
Drew DeVault 2015-09-07 18:14:37 -04:00
commit 7654f5e7cd
8 changed files with 255 additions and 226 deletions

View file

@ -5,7 +5,7 @@
struct cmd_handler {
char *command;
bool (*handle)(struct sway_config *config, int argc, char **argv);
bool (*handle)(int argc, char **argv);
enum {
CMD_COMPOSITOR_READY,
CMD_KEYBIND,
@ -14,7 +14,7 @@ struct cmd_handler {
};
struct cmd_handler *find_handler(char *line);
bool handle_command(struct sway_config *config, char *command);
bool handle_command(char *command);
void remove_view_from_scratchpad();

View file

@ -60,7 +60,7 @@ struct sway_config {
bool load_config(const char *file);
bool read_config(FILE *file, bool is_active);
char *do_var_replacement(struct sway_config *config, char *str);
char *do_var_replacement(char *str);
extern struct sway_config *config;

View file

@ -2,17 +2,25 @@
#define _SWAY_STRINGOP_H
#include "list.h"
char *strip_whitespace(char *str, int *trimmed_start);
// array of whitespace characters to use for delims
extern const char *whitespace;
char *strip_whitespace(char *str);
char *strip_comments(char *str);
// Must be freed with free_flat_list
// Simply split a string with delims, free with `free_flat_list`
list_t *split_string(const char *str, const char *delims);
void free_flat_list(list_t *list);
// Splits an argument string, keeping quotes intact
char **split_args(const char *str, int *argc);
void free_argv(int argc, char **argv);
char *code_strchr(const char *string, char delimiter);
char *code_strstr(const char *haystack, const char *needle);
int unescape_string(char *string);
char *join_args(char **argv, int argc);
char *join_list(list_t *list, char *separator);
char *strdup(const char *);
#endif

View file

@ -96,7 +96,7 @@ static int bindsym_sort(const void *_lbind, const void *_rbind) {
return (rbind->keys->length + rmod) - (lbind->keys->length + lmod);
}
static bool cmd_bindsym(struct sway_config *config, int argc, char **argv) {
static bool cmd_bindsym(int argc, char **argv) {
if (!checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1)) {
return false;
};
@ -146,7 +146,7 @@ static bool cmd_bindsym(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_exec_always(struct sway_config *config, int argc, char **argv) {
static bool cmd_exec_always(int argc, char **argv) {
if (!checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0)) {
return false;
}
@ -171,14 +171,14 @@ static bool cmd_exec_always(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_exec(struct sway_config *config, int argc, char **argv) {
static bool cmd_exec(int argc, char **argv) {
if (config->reloading) {
char *args = join_args(argv, argc);
sway_log(L_DEBUG, "Ignoring exec %s due to reload", args);
free(args);
return true;
}
return cmd_exec_always(config, argc, argv);
return cmd_exec_always(argc, argv);
}
static void kill_views(swayc_t *container, void *data) {
@ -187,7 +187,7 @@ static void kill_views(swayc_t *container, void *data) {
}
}
static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
static bool cmd_exit(int argc, char **argv) {
if (!checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0)) {
return false;
}
@ -197,7 +197,7 @@ static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_floating(struct sway_config *config, int argc, char **argv) {
static bool cmd_floating(int argc, char **argv) {
if (!checkarg(argc, "floating", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -258,7 +258,7 @@ static bool cmd_floating(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_floating_mod(struct sway_config *config, int argc, char **argv) {
static bool cmd_floating_mod(int argc, char **argv) {
if (!checkarg(argc, "floating_modifier", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -282,7 +282,7 @@ static bool cmd_floating_mod(struct sway_config *config, int argc, char **argv)
return true;
}
static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
static bool cmd_focus(int argc, char **argv) {
static int floating_toggled_index = 0;
static int tiled_toggled_index = 0;
if (!checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1)) {
@ -340,7 +340,7 @@ static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_focus_follows_mouse(struct sway_config *config, int argc, char **argv) {
static bool cmd_focus_follows_mouse(int argc, char **argv) {
if (!checkarg(argc, "focus_follows_mouse", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -365,7 +365,39 @@ static void hide_view_in_scratchpad(swayc_t *sp_view) {
set_focused_container(container_under_pointer());
}
static bool cmd_move(struct sway_config *config, int argc, char **argv) {
static bool cmd_mode(int argc, char **argv) {
if (!checkarg(argc, "move", EXPECTED_AT_LEAST, 1)) {
return false;
}
const char *mode_name = argv[0];
struct sway_mode *mode = NULL;
// Find mode
int i, len = config->modes->length;
for (i = 0; i < len; ++i) {
struct sway_mode *find = config->modes->items[i];
if (strcasecmp(find->name, mode_name)==0) {
mode = find;
break;
}
}
// Create mode if it doesnt exist
if (!mode && argc >= 2 && strncmp(argv[1],"{",1) == 0) {
mode = malloc(sizeof*mode);
mode->name = strdup(mode_name);
mode->bindings = create_list();
list_add(config->modes, mode);
}
if (!mode) {
sway_log(L_ERROR, "Invalide mode `%s'", mode_name);
return false;
}
sway_log(L_DEBUG, "Switching to mode `%s'",mode->name);
// Set current mode
config->current_mode = mode;
return true;
}
static bool cmd_move(int argc, char **argv) {
if (!checkarg(argc, "move", EXPECTED_AT_LEAST, 1)) {
return false;
}
@ -435,7 +467,7 @@ static bool cmd_move(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_orientation(struct sway_config *config, int argc, char **argv) {
static bool cmd_orientation(int argc, char **argv) {
if (strcasecmp(argv[0], "horizontal") == 0) {
config->default_orientation = L_HORIZ;
} else if (strcasecmp(argv[0], "vertical") == 0) {
@ -448,7 +480,7 @@ static bool cmd_orientation(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_output(struct sway_config *config, int argc, char **argv) {
static bool cmd_output(int argc, char **argv) {
if (!checkarg(argc, "output", EXPECTED_AT_LEAST, 1)) {
return false;
}
@ -513,7 +545,7 @@ static bool cmd_output(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_gaps(struct sway_config *config, int argc, char **argv) {
static bool cmd_gaps(int argc, char **argv) {
if (!checkarg(argc, "gaps", EXPECTED_AT_LEAST, 1)) {
return false;
}
@ -655,13 +687,13 @@ static bool cmd_gaps(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_kill(struct sway_config *config, int argc, char **argv) {
static bool cmd_kill(int argc, char **argv) {
swayc_t *view = get_focused_container(&root_container);
wlc_view_close(view->handle);
return true;
}
static bool cmd_layout(struct sway_config *config, int argc, char **argv) {
static bool cmd_layout(int argc, char **argv) {
if (!checkarg(argc, "layout", EXPECTED_MORE_THAN, 0)) {
return false;
}
@ -686,7 +718,7 @@ static bool cmd_layout(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_reload(struct sway_config *config, int argc, char **argv) {
static bool cmd_reload(int argc, char **argv) {
if (!checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0)) {
return false;
}
@ -697,7 +729,7 @@ static bool cmd_reload(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_resize(struct sway_config *config, int argc, char **argv) {
static bool cmd_resize(int argc, char **argv) {
if (!checkarg(argc, "resize", EXPECTED_AT_LEAST, 3)) {
return false;
}
@ -769,7 +801,7 @@ void remove_view_from_scratchpad(swayc_t *view) {
}
}
static bool cmd_scratchpad(struct sway_config *config, int argc, char **argv) {
static bool cmd_scratchpad(int argc, char **argv) {
if (!checkarg(argc, "scratchpad", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -796,20 +828,18 @@ static bool cmd_scratchpad(struct sway_config *config, int argc, char **argv) {
}
}
static bool cmd_set(struct sway_config *config, int argc, char **argv) {
static bool cmd_set(int argc, char **argv) {
if (!checkarg(argc, "set", EXPECTED_EQUAL_TO, 2)) {
return false;
}
struct sway_variable *var = malloc(sizeof(struct sway_variable));
var->name = malloc(strlen(argv[0]) + 1);
strcpy(var->name, argv[0]);
var->value = malloc(strlen(argv[1]) + 1);
strcpy(var->value, argv[1]);
var->name = strdup(argv[0]);
var->value = strdup(argv[1]);
list_add(config->symbols, var);
return true;
}
static bool _do_split(struct sway_config *config, int argc, char **argv, int layout) {
static bool _do_split(int argc, char **argv, int layout) {
char *name = layout == L_VERT ? "splitv" :
layout == L_HORIZ ? "splith" : "split";
if (!checkarg(argc, name, EXPECTED_EQUAL_TO, 0)) {
@ -840,15 +870,15 @@ static bool _do_split(struct sway_config *config, int argc, char **argv, int lay
return true;
}
static bool cmd_split(struct sway_config *config, int argc, char **argv) {
static bool cmd_split(int argc, char **argv) {
if (!checkarg(argc, "split", EXPECTED_EQUAL_TO, 1)) {
return false;
}
if (strcasecmp(argv[0], "v") == 0 || strcasecmp(argv[0], "vertical") == 0) {
_do_split(config, argc - 1, argv + 1, L_VERT);
_do_split(argc - 1, argv + 1, L_VERT);
} else if (strcasecmp(argv[0], "h") == 0 || strcasecmp(argv[0], "horizontal") == 0) {
_do_split(config, argc - 1, argv + 1, L_HORIZ);
_do_split(argc - 1, argv + 1, L_HORIZ);
} else {
sway_log(L_ERROR, "Invalid split command (expected either horiziontal or vertical).");
return false;
@ -857,15 +887,15 @@ static bool cmd_split(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_splitv(struct sway_config *config, int argc, char **argv) {
return _do_split(config, argc, argv, L_VERT);
static bool cmd_splitv(int argc, char **argv) {
return _do_split(argc, argv, L_VERT);
}
static bool cmd_splith(struct sway_config *config, int argc, char **argv) {
return _do_split(config, argc, argv, L_HORIZ);
static bool cmd_splith(int argc, char **argv) {
return _do_split(argc, argv, L_HORIZ);
}
static bool cmd_log_colors(struct sway_config *config, int argc, char **argv) {
static bool cmd_log_colors(int argc, char **argv) {
if (!checkarg(argc, "log_colors", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -878,7 +908,7 @@ static bool cmd_log_colors(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_fullscreen(struct sway_config *config, int argc, char **argv) {
static bool cmd_fullscreen(int argc, char **argv) {
if (!checkarg(argc, "fullscreen", EXPECTED_AT_LEAST, 0)) {
return false;
}
@ -897,7 +927,7 @@ static bool cmd_fullscreen(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_workspace(struct sway_config *config, int argc, char **argv) {
static bool cmd_workspace(int argc, char **argv) {
if (!checkarg(argc, "workspace", EXPECTED_AT_LEAST, 1)) {
return false;
}
@ -953,7 +983,7 @@ static bool cmd_workspace(struct sway_config *config, int argc, char **argv) {
return true;
}
static bool cmd_ws_auto_back_and_forth(struct sway_config *config, int argc, char **argv) {
static bool cmd_ws_auto_back_and_forth(int argc, char **argv) {
if (!checkarg(argc, "workspace_auto_back_and_forth", EXPECTED_EQUAL_TO, 1)) {
return false;
}
@ -979,6 +1009,7 @@ static struct cmd_handler handlers[] = {
{ "kill", cmd_kill, CMD_KEYBIND },
{ "layout", cmd_layout, CMD_KEYBIND },
{ "log_colors", cmd_log_colors, CMD_ANYTIME },
{ "mode", cmd_mode, CMD_ANYTIME },
{ "move", cmd_move, CMD_KEYBIND },
{ "output", cmd_output, CMD_ANYTIME },
{ "reload", cmd_reload, CMD_KEYBIND },
@ -992,58 +1023,6 @@ static struct cmd_handler handlers[] = {
{ "workspace_auto_back_and_forth", cmd_ws_auto_back_and_forth, CMD_ANYTIME },
};
static char **split_directive(char *line, int *argc) {
const char *delimiters = " ";
*argc = 0;
while (isspace(*line) && *line) ++line;
int capacity = 10;
char **parts = malloc(sizeof(char *) * capacity);
if (!*line) return parts;
int in_string = 0, in_character = 0;
int i, j, _;
for (i = 0, j = 0; line[i]; ++i) {
if (line[i] == '\\') {
++i;
} else if (line[i] == '"' && !in_character) {
in_string = !in_string;
} else if (line[i] == '\'' && !in_string) {
in_character = !in_character;
} else if (!in_character && !in_string) {
if (strchr(delimiters, line[i]) != NULL) {
char *item = malloc(i - j + 1);
strncpy(item, line + j, i - j);
item[i - j] = '\0';
item = strip_whitespace(item, &_);
if (item[0] == '\0') {
free(item);
} else {
if (*argc == capacity) {
capacity *= 2;
parts = realloc(parts, sizeof(char *) * capacity);
}
parts[*argc] = item;
j = i + 1;
++*argc;
}
}
}
}
char *item = malloc(i - j + 1);
strncpy(item, line + j, i - j);
item[i - j] = '\0';
item = strip_whitespace(item, &_);
if (*argc == capacity) {
capacity++;
parts = realloc(parts, sizeof(char *) * capacity);
}
parts[*argc] = item;
++*argc;
return parts;
}
static int handler_compare(const void *_a, const void *_b) {
const struct cmd_handler *a = _a;
const struct cmd_handler *b = _b;
@ -1058,44 +1037,25 @@ struct cmd_handler *find_handler(char *line) {
return res;
}
bool handle_command(struct sway_config *config, char *exec) {
bool handle_command(char *exec) {
sway_log(L_INFO, "Handling command '%s'", exec);
char *ptr, *cmd;
bool exec_success;
if ((ptr = strchr(exec, ' ')) == NULL) {
cmd = exec;
} else {
int index = ptr - exec;
cmd = malloc(index + 1);
strncpy(cmd, exec, index);
cmd[index] = '\0';
int argc;
char **argv = split_args(exec, &argc);
if (argc == 0) {
return false;
}
struct cmd_handler *handler = find_handler(cmd);
if (handler == NULL) {
sway_log(L_ERROR, "Unknown command '%s'", cmd);
exec_success = false; // TODO: return error, probably
} else {
int argc;
char **argv = split_directive(exec + strlen(handler->command), &argc);
struct cmd_handler *handler = find_handler(argv[0]);
bool exec_success = false;
if (handler) {
int i;
// Perform var subs on all parts of the command
for (i = 0; i < argc; ++i) {
argv[i] = do_var_replacement(config, argv[i]);
}
exec_success = handler->handle(config, argc, argv);
for (i = 0; i < argc; ++i) {
free(argv[i]);
}
free(argv);
if (!exec_success) {
sway_log(L_ERROR, "Command failed: %s", cmd);
for (i = 1; i < argc; ++i) {
argv[i] = do_var_replacement(argv[i]);
}
exec_success = handler->handle(argc - 1, argv + 1);
}
if (ptr) {
free(cmd);
if (exec_success == false) {
sway_log(L_ERROR, "Command failed: %s", argv[0]);
}
free_argv(argc, argv);
return exec_success;
}

View file

@ -13,6 +13,7 @@
struct sway_config *config = NULL;
static void free_variable(struct sway_variable *var) {
free(var->name);
free(var->value);
@ -46,39 +47,7 @@ static void free_workspace_output(struct workspace_output *wo) {
free(wo);
}
static bool file_exists(const char *path) {
return access(path, R_OK) != -1;
}
static void config_defaults(struct sway_config *config) {
config->symbols = create_list();
config->modes = create_list();
config->workspace_outputs = create_list();
config->output_configs = create_list();
config->cmd_queue = create_list();
config->current_mode = malloc(sizeof(struct sway_mode));
config->current_mode->name = NULL;
config->current_mode->bindings = create_list();
list_add(config->modes, config->current_mode);
config->floating_mod = 0;
config->default_layout = L_NONE;
config->default_orientation = L_NONE;
// Flags
config->focus_follows_mouse = true;
config->mouse_warping = true;
config->reloading = false;
config->active = false;
config->failed = false;
config->auto_back_and_forth = false;
config->gaps_inner = 0;
config->gaps_outer = 0;
}
void free_config(struct sway_config *config) {
static void free_config(struct sway_config *config) {
int i;
for (i = 0; i < config->symbols->length; ++i) {
free_variable(config->symbols->items[i]);
@ -104,6 +73,40 @@ void free_config(struct sway_config *config) {
free(config);
}
static bool file_exists(const char *path) {
return access(path, R_OK) != -1;
}
static void config_defaults(struct sway_config *config) {
config->symbols = create_list();
config->modes = create_list();
config->workspace_outputs = create_list();
config->output_configs = create_list();
config->cmd_queue = create_list();
config->current_mode = malloc(sizeof(struct sway_mode));
config->current_mode->name = malloc(sizeof("default"));
strcpy(config->current_mode->name, "default");
config->current_mode->bindings = create_list();
list_add(config->modes, config->current_mode);
config->floating_mod = 0;
config->default_layout = L_NONE;
config->default_orientation = L_NONE;
// Flags
config->focus_follows_mouse = true;
config->mouse_warping = true;
config->reloading = false;
config->active = false;
config->failed = false;
config->auto_back_and_forth = false;
config->gaps_inner = 0;
config->gaps_outer = 0;
}
static char *get_config_path(void) {
char *config_path = NULL;
char *paths[3] = {getenv("HOME"), getenv("XDG_CONFIG_HOME"), ""};
@ -210,47 +213,48 @@ bool load_config(const char *file) {
}
bool read_config(FILE *file, bool is_active) {
struct sway_config *temp_config = malloc(sizeof(struct sway_config));
config_defaults(temp_config);
struct sway_config *old_config = config;
struct sway_mode *default_mode;
config = malloc(sizeof(struct sway_config));
config_defaults(config);
default_mode = config->current_mode;
if (is_active) {
sway_log(L_DEBUG, "Performing configuration file reload");
temp_config->reloading = true;
temp_config->active = true;
config->reloading = true;
config->active = true;
}
bool success = true;
int temp_depth = 0; // Temporary: skip all config sections with depth
char *line;
while (!feof(file)) {
int _;
char *line = read_line(file);
line = strip_whitespace(line, &_);
line = read_line(file);
line = strip_whitespace(line);
line = strip_comments(line);
if (!line[0]) {
if (line[0] == '\0') {
goto _continue;
}
if (temp_depth && line[0] == '}') {
temp_depth--;
if (line[0] == '}') {
config->current_mode = default_mode;
goto _continue;
}
// Any command which would require wlc to be initialized
// should be queued for later execution
list_t *args = split_string(line, " ");
list_t *args = split_string(line, whitespace);
struct cmd_handler *handler;
if ((handler = find_handler(args->items[0]))) {
if (handler->config_type == CMD_KEYBIND) {
sway_log(L_ERROR, "Invalid command during config ``%s''", line);
} else if (handler->config_type == CMD_COMPOSITOR_READY && !is_active) {
sway_log(L_DEBUG, "Deferring command ``%s''", line);
char *cmd = malloc(strlen(line) + 1);
strcpy(cmd, line);
list_add(temp_config->cmd_queue, cmd);
} else if (!temp_depth && !handle_command(temp_config, line)) {
char *cmd = strdup(line);
list_add(config->cmd_queue, cmd);
} else if (!handle_command(line)) {
sway_log(L_DEBUG, "Config load failed for line ``%s''", line);
success = false;
temp_config->failed = true;
config->failed = true;
}
} else {
sway_log(L_ERROR, "Invalid command ``%s''", line);
@ -258,25 +262,21 @@ bool read_config(FILE *file, bool is_active) {
free_flat_list(args);
_continue:
if (line && line[strlen(line) - 1] == '{') {
temp_depth++;
}
free(line);
}
if (is_active) {
temp_config->reloading = false;
config->reloading = false;
arrange_windows(&root_container, -1, -1);
}
if (config) {
free_config(config);
if (old_config) {
free_config(old_config);
}
config = temp_config;
return success;
}
char *do_var_replacement(struct sway_config *config, char *str) {
char *do_var_replacement(char *str) {
// TODO: Handle escaping $ and using $ in string literals
int i;
for (i = 0; str[i]; ++i) {

View file

@ -130,13 +130,6 @@ static void handle_output_resolution_change(wlc_handle output, const struct wlc_
if (!c) return;
c->width = to->w;
c->height = to->h;
if (config->default_layout == L_NONE && config->default_orientation == L_NONE) {
if (c->width >= c->height) {
((swayc_t*)c->children->items[0])->layout = L_HORIZ;
} else {
((swayc_t*)c->children->items[0])->layout = L_VERT;
}
}
arrange_windows(&root_container, -1, -1);
}
@ -348,7 +341,7 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
}
if (match) {
if (state == WLC_KEY_STATE_PRESSED) {
handle_command(config, binding->command);
handle_command(binding->command);
return EVENT_HANDLED;
} else if (state == WLC_KEY_STATE_RELEASED) {
// TODO: --released
@ -486,7 +479,7 @@ static void handle_wlc_ready(void) {
sway_log(L_DEBUG, "Compositor is ready, executing cmds in queue");
// Execute commands until there are none left
while (config->cmd_queue->length) {
handle_command(config, config->cmd_queue->items[0]);
handle_command(config->cmd_queue->items[0]);
free(config->cmd_queue->items[0]);
list_del(config->cmd_queue, 0);
}

View file

@ -198,7 +198,7 @@ void ipc_client_handle_command(struct ipc_client *client) {
case IPC_COMMAND:
{
buf[client->payload_length] = '\0';
bool success = handle_command(config, buf);
bool success = handle_command(buf);
char reply[64];
int length = snprintf(reply, sizeof(reply), "{\"success\":%s}", success ? "true" : "false");
ipc_send_reply(client, reply, (uint32_t) length);

View file

@ -1,27 +1,23 @@
#include "stringop.h"
#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <ctype.h>
#include "stringop.h"
#include "log.h"
#include "string.h"
#include "list.h"
#include <strings.h>
#include <log.h>
const char *whitespace = " \f\n\r\t\v";
/* Note: This returns 8 characters for trimmed_start per tab character. */
char *strip_whitespace(char *_str, int *trimmed_start) {
*trimmed_start = 0;
char *strip_whitespace(char *_str) {
if (*_str == '\0')
return _str;
char *strold = _str;
while (*_str == ' ' || *_str == '\t') {
if (*_str == '\t') {
*trimmed_start += 8;
} else {
*trimmed_start += 1;
}
_str++;
}
char *str = malloc(strlen(_str) + 1);
strcpy(str, _str);
char *str = strdup(_str);
free(strold);
int i;
for (i = 0; str[i] != '\0'; ++i);
@ -41,7 +37,7 @@ char *strip_comments(char *str) {
} else if (str[i] == '\'' && !in_string) {
in_character = !in_character;
} else if (!in_character && !in_string) {
if (str[i] == '#' && i == 0) {
if (str[i] == '#') {
str[i] = '\0';
break;
}
@ -51,26 +47,44 @@ char *strip_comments(char *str) {
return str;
}
void strip_quotes(char *str) {
bool in_str = false;
bool in_chr = false;
bool escaped = false;
char *end = strchr(str,0);
while (*str) {
if (*str == '\'' && !in_str && !escaped) {
in_chr = !in_chr;
goto shift_over;
} else if (*str == '\"' && !in_chr && !escaped) {
in_str = !in_str;
goto shift_over;
} else if (*str == '\\') {
escaped = !escaped;
++str;
continue;
}
escaped = false;
++str;
continue;
shift_over:
memmove(str, str+1, end-- - str);
}
*end = '\0';
}
list_t *split_string(const char *str, const char *delims) {
list_t *res = create_list();
int i, j;
int len = strlen(str);
for (i = 0, j = 0; i < len + 1; ++i) {
if (strchr(delims, str[i]) || i == len) {
if (i - j == 0) {
continue;
}
char *left = malloc(i - j + 1);
memcpy(left, str + j, i - j);
left[i - j] = 0;
list_add(res, left);
j = i + 1;
while (j <= len && str[j] && strchr(delims, str[j])) {
j++;
i++;
}
}
char *copy = strdup(str);
char *token;
token = strtok(copy, delims);
while(token) {
token = strdup(token);
list_add(res, token);
token = strtok(NULL, delims);
}
free(copy);
return res;
}
@ -82,6 +96,60 @@ void free_flat_list(list_t *list) {
list_free(list);
}
char **split_args(const char *start, int *argc) {
*argc = 0;
int alloc = 2;
char **parts = malloc(sizeof(char *) * alloc);
bool in_token = false;
bool in_string = false;
bool in_char = false;
bool escaped = false;
const char *end = start;
while (*start) {
if (!in_token) {
start = (end += strspn(end, whitespace));
in_token = true;
}
if (*end == '"' && !in_char && !escaped) {
in_string = !in_string;
} else if (*end == '\'' && !in_string && !escaped) {
in_char = !in_char;
} else if (*end == '\\') {
escaped = !escaped;
} else if (*end == '\0' || (!in_string && !in_char && !escaped
&& strchr(whitespace, *end))) {
goto add_part;
}
if (*end != '\\') {
escaped = false;
}
++end;
continue;
add_part:
if (end - start > 0) {
char *token = malloc(end - start + 1);
strncpy(token, start, end - start + 1);
token[end - start] = '\0';
strip_quotes(token);
unescape_string(token);
parts[*argc] = token;
if (++*argc == alloc) {
parts = realloc(parts, (alloc *= 2) * sizeof(char *));
}
}
in_token = false;
escaped = false;
}
return parts;
}
void free_argv(int argc, char **argv) {
while (--argc) {
free(argv[argc]);
}
free(argv);
}
char *code_strstr(const char *haystack, const char *needle) {
/* TODO */
return strstr(haystack, needle);
@ -177,7 +245,7 @@ int unescape_string(char *string) {
string[i - 1] = c;
}
}
memmove(string + i, string + i + shift, len - i);
memmove(string + i, string + i + shift, len - i + 1);
}
}
return len;