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@ -11,381 +11,435 @@
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#include "list.h"
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#include "log.h"
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bool criteria_is_empty(struct criteria *criteria) {
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return !criteria->title
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&& !criteria->app_id
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&& !criteria->class
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&& !criteria->instance
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&& !criteria->con_mark
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&& !criteria->con_id
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&& !criteria->id
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&& !criteria->window_role
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&& !criteria->window_type
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&& !criteria->floating
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&& !criteria->tiling
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&& !criteria->urgent
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&& !criteria->workspace;
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}
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enum criteria_type { // *must* keep in sync with criteria_strings[]
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CRIT_APP_ID,
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CRIT_CLASS,
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CRIT_CON_ID,
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CRIT_CON_MARK,
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CRIT_FLOATING,
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CRIT_ID,
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CRIT_INSTANCE,
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CRIT_TILING,
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CRIT_TITLE,
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CRIT_URGENT,
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CRIT_WINDOW_ROLE,
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CRIT_WINDOW_TYPE,
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CRIT_WORKSPACE,
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CRIT_LAST
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};
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void criteria_destroy(struct criteria *criteria) {
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pcre_free(criteria->title);
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pcre_free(criteria->app_id);
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pcre_free(criteria->class);
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pcre_free(criteria->instance);
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pcre_free(criteria->con_mark);
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pcre_free(criteria->window_role);
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free(criteria->workspace);
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free(criteria->raw);
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free(criteria);
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static const char * const criteria_strings[CRIT_LAST] = {
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[CRIT_APP_ID] = "app_id",
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[CRIT_CLASS] = "class",
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[CRIT_CON_ID] = "con_id",
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[CRIT_CON_MARK] = "con_mark",
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[CRIT_FLOATING] = "floating",
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[CRIT_ID] = "id",
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[CRIT_INSTANCE] = "instance",
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[CRIT_TILING] = "tiling",
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[CRIT_TITLE] = "title",
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[CRIT_URGENT] = "urgent", // either "latest" or "oldest" ...
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[CRIT_WINDOW_ROLE] = "window_role",
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[CRIT_WINDOW_TYPE] = "window_type",
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[CRIT_WORKSPACE] = "workspace"
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};
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/**
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* A single criteria token (ie. value/regex pair),
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* e.g. 'class="some class regex"'.
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*/
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struct crit_token {
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enum criteria_type type;
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pcre *regex;
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char *raw;
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};
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static void free_crit_token(struct crit_token *crit) {
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pcre_free(crit->regex);
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free(crit->raw);
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free(crit);
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}
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static int regex_cmp(const char *item, const pcre *regex) {
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return pcre_exec(regex, NULL, item, strlen(item), 0, 0, NULL, 0);
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static void free_crit_tokens(list_t *crit_tokens) {
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for (int i = 0; i < crit_tokens->length; i++) {
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free_crit_token(crit_tokens->items[i]);
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}
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list_free(crit_tokens);
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}
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static bool criteria_matches_view(struct criteria *criteria,
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struct sway_view *view) {
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if (criteria->title) {
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const char *title = view_get_title(view);
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if (!title || regex_cmp(title, criteria->title) != 0) {
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return false;
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// Extracts criteria string from its brackets. Returns new (duplicate)
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// substring.
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static char *criteria_from(const char *arg) {
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char *criteria = NULL;
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if (*arg == '[') {
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criteria = strdup(arg + 1);
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} else {
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criteria = strdup(arg);
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}
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int last = strlen(criteria) - 1;
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if (criteria[last] == ']') {
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criteria[last] = '\0';
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}
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return criteria;
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}
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if (criteria->app_id) {
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const char *app_id = view_get_app_id(view);
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if (!app_id || regex_cmp(app_id, criteria->app_id) != 0) {
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return false;
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// Return instances of c found in str.
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static int countchr(char *str, char c) {
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int found = 0;
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for (int i = 0; str[i]; i++) {
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if (str[i] == c) {
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++found;
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}
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}
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return found;
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}
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if (criteria->class) {
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const char *class = view_get_class(view);
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if (!class || regex_cmp(class, criteria->class) != 0) {
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return false;
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// criteria_str is e.g. '[class="some class regex" instance="instance name"]'.
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//
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// Will create array of pointers in buf, where first is duplicate of given
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// string (must be freed) and the rest are pointers to names and values in the
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// base string (every other, naturally). argc will be populated with the length
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// of buf.
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//
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// Returns error string or NULL if successful.
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static char *crit_tokens(int *argc, char ***buf,
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const char * const criteria_str) {
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wlr_log(L_DEBUG, "Parsing criteria: '%s'", criteria_str);
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char *base = criteria_from(criteria_str);
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char *head = base;
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char *namep = head; // start of criteria name
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char *valp = NULL; // start of value
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// We're going to place EOS markers where we need to and fill up an array
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// of pointers to the start of each token (either name or value).
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int pairs = countchr(base, '=');
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int max_tokens = pairs * 2 + 1; // this gives us at least enough slots
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char **argv = *buf = calloc(max_tokens, sizeof(char*));
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argv[0] = base; // this needs to be freed by caller
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bool quoted = true;
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*argc = 1; // uneven = name, even = value
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while (*head && *argc < max_tokens) {
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if (namep != head && *(head - 1) == '\\') {
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// escaped character: don't try to parse this
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} else if (*head == '=' && namep != head) {
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if (*argc % 2 != 1) {
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// we're not expecting a name
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return strdup("Unable to parse criteria: "
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"Found out of place equal sign");
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} else {
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// name ends here
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char *end = head; // don't want to rewind the head
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while (*(end - 1) == ' ') {
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--end;
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}
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*end = '\0';
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if (*(namep) == ' ') {
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namep = strrchr(namep, ' ') + 1;
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}
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argv[*argc] = namep;
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*argc += 1;
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}
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} else if (*head == '"') {
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if (*argc % 2 != 0) {
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// we're not expecting a value
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return strdup("Unable to parse criteria: "
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"Found quoted value where it was not expected");
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} else if (!valp) { // value starts here
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valp = head + 1;
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quoted = true;
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} else {
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// value ends here
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argv[*argc] = valp;
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*argc += 1;
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*head = '\0';
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valp = NULL;
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namep = head + 1;
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}
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} else if (*argc % 2 == 0 && *head != ' ') {
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// parse unquoted values
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if (!valp) {
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quoted = false;
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valp = head; // value starts here
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}
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if (criteria->instance) {
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const char *instance = view_get_instance(view);
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if (!instance || regex_cmp(instance, criteria->instance) != 0) {
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return false;
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} else if (valp && !quoted && *head == ' ') {
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// value ends here
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argv[*argc] = valp;
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*argc += 1;
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*head = '\0';
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valp = NULL;
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namep = head + 1;
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}
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head++;
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}
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if (criteria->con_mark) {
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// TODO
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return false;
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// catch last unquoted value if needed
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if (valp && !quoted && !*head) {
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argv[*argc] = valp;
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*argc += 1;
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}
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if (criteria->con_id) { // Internal ID
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if (!view->swayc || view->swayc->id != criteria->con_id) {
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return false;
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return NULL;
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}
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// Returns error string on failure or NULL otherwise.
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static char *parse_criteria_name(enum criteria_type *type, char *name) {
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*type = CRIT_LAST;
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for (int i = 0; i < CRIT_LAST; i++) {
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if (strcmp(criteria_strings[i], name) == 0) {
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*type = (enum criteria_type) i;
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break;
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}
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}
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if (*type == CRIT_LAST) {
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const char *fmt = "Criteria type '%s' is invalid or unsupported.";
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int len = strlen(name) + strlen(fmt) - 1;
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char *error = malloc(len);
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snprintf(error, len, fmt, name);
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return error;
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} else if (*type == CRIT_URGENT || *type == CRIT_WINDOW_ROLE ||
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*type == CRIT_WINDOW_TYPE) {
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// (we're just being helpful here)
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const char *fmt = "\"%s\" criteria currently unsupported, "
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"no window will match this";
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int len = strlen(fmt) + strlen(name) - 1;
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char *error = malloc(len);
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snprintf(error, len, fmt, name);
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return error;
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}
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return NULL;
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}
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// Returns error string on failure or NULL otherwise.
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static char *generate_regex(pcre **regex, char *value) {
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const char *reg_err;
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int offset;
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*regex = pcre_compile(value, PCRE_UTF8 | PCRE_UCP, ®_err, &offset, NULL);
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if (!*regex) {
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const char *fmt = "Regex compilation (for '%s') failed: %s";
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int len = strlen(fmt) + strlen(value) + strlen(reg_err) - 3;
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char *error = malloc(len);
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snprintf(error, len, fmt, value, reg_err);
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return error;
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}
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return NULL;
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}
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if (criteria->id) { // X11 window ID
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uint32_t x11_window_id = view_get_x11_window_id(view);
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if (!x11_window_id || x11_window_id != criteria->id) {
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return false;
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// Test whether the criterion corresponds to the currently focused window
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static bool crit_is_focused(const char *value) {
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return !strcmp(value, "focused") || !strcmp(value, "__focused__");
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}
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// Populate list with crit_tokens extracted from criteria string, returns error
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// string or NULL if successful.
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char *extract_crit_tokens(list_t *tokens, const char * const criteria) {
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int argc;
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char **argv = NULL, *error = NULL;
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if ((error = crit_tokens(&argc, &argv, criteria))) {
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goto ect_cleanup;
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}
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for (int i = 1; i + 1 < argc; i += 2) {
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char* name = argv[i], *value = argv[i + 1];
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struct crit_token *token = calloc(1, sizeof(struct crit_token));
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token->raw = strdup(value);
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if ((error = parse_criteria_name(&token->type, name))) {
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free_crit_token(token);
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goto ect_cleanup;
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} else if (token->type == CRIT_URGENT || crit_is_focused(value)) {
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wlr_log(L_DEBUG, "%s -> \"%s\"", name, value);
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list_add(tokens, token);
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} else if((error = generate_regex(&token->regex, value))) {
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free_crit_token(token);
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goto ect_cleanup;
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} else {
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wlr_log(L_DEBUG, "%s -> /%s/", name, value);
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list_add(tokens, token);
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}
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}
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ect_cleanup:
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free(argv[0]); // base string
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free(argv);
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return error;
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}
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if (criteria->window_role) {
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// TODO
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}
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static int regex_cmp(const char *item, const pcre *regex) {
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return pcre_exec(regex, NULL, item, strlen(item), 0, 0, NULL, 0);
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|
}
|
|
|
|
|
|
|
|
|
|
if (criteria->window_type) {
|
|
|
|
|
uint32_t type = view_get_window_type(view);
|
|
|
|
|
if (!type || type != criteria->window_type) {
|
|
|
|
|
// test a single view if it matches list of criteria tokens (all of them).
|
|
|
|
|
static bool criteria_test(struct sway_container *cont, list_t *tokens) {
|
|
|
|
|
if (cont->type != C_CONTAINER && cont->type != C_VIEW) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
int matches = 0;
|
|
|
|
|
for (int i = 0; i < tokens->length; i++) {
|
|
|
|
|
struct crit_token *crit = tokens->items[i];
|
|
|
|
|
switch (crit->type) {
|
|
|
|
|
case CRIT_CLASS:
|
|
|
|
|
{
|
|
|
|
|
const char *class = view_get_class(cont->sway_view);
|
|
|
|
|
if (!class) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (crit->regex && regex_cmp(class, crit->regex) == 0) {
|
|
|
|
|
matches++;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case CRIT_CON_ID:
|
|
|
|
|
{
|
|
|
|
|
char *endptr;
|
|
|
|
|
size_t crit_id = strtoul(crit->raw, &endptr, 10);
|
|
|
|
|
|
|
|
|
|
if (criteria->floating) {
|
|
|
|
|
if (*endptr == 0 && cont->id == crit_id) {
|
|
|
|
|
++matches;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case CRIT_CON_MARK:
|
|
|
|
|
// TODO
|
|
|
|
|
return false;
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_FLOATING:
|
|
|
|
|
// TODO
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_ID:
|
|
|
|
|
// TODO
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_APP_ID:
|
|
|
|
|
{
|
|
|
|
|
const char *app_id = view_get_app_id(cont->sway_view);
|
|
|
|
|
if (!app_id) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (criteria->tiling) {
|
|
|
|
|
// TODO
|
|
|
|
|
if (crit->regex && regex_cmp(app_id, crit->regex) == 0) {
|
|
|
|
|
matches++;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case CRIT_INSTANCE:
|
|
|
|
|
{
|
|
|
|
|
const char *instance = view_get_instance(cont->sway_view);
|
|
|
|
|
if (!instance) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (criteria->urgent) {
|
|
|
|
|
if (crit->regex && regex_cmp(instance, crit->regex) == 0) {
|
|
|
|
|
matches++;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case CRIT_TILING:
|
|
|
|
|
// TODO
|
|
|
|
|
return false;
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_TITLE:
|
|
|
|
|
{
|
|
|
|
|
const char *title = view_get_title(cont->sway_view);
|
|
|
|
|
if (!title) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (criteria->workspace) {
|
|
|
|
|
if (!view->swayc) {
|
|
|
|
|
return false;
|
|
|
|
|
if (crit->regex && regex_cmp(title, crit->regex) == 0) {
|
|
|
|
|
matches++;
|
|
|
|
|
}
|
|
|
|
|
struct sway_container *ws = container_parent(view->swayc, C_WORKSPACE);
|
|
|
|
|
if (!ws || strcmp(ws->name, criteria->workspace) != 0) {
|
|
|
|
|
return false;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case CRIT_URGENT:
|
|
|
|
|
// TODO "latest" or "oldest"
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_WINDOW_ROLE:
|
|
|
|
|
// TODO
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_WINDOW_TYPE:
|
|
|
|
|
// TODO
|
|
|
|
|
break;
|
|
|
|
|
case CRIT_WORKSPACE:
|
|
|
|
|
// TODO
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
sway_abort("Invalid criteria type (%i)", crit->type);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
return matches == tokens->length;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
list_t *criteria_for_view(struct sway_view *view, enum criteria_type types) {
|
|
|
|
|
list_t *criterias = config->criteria;
|
|
|
|
|
list_t *matches = create_list();
|
|
|
|
|
for (int i = 0; i < criterias->length; ++i) {
|
|
|
|
|
struct criteria *criteria = criterias->items[i];
|
|
|
|
|
if ((criteria->type & types) && criteria_matches_view(criteria, view)) {
|
|
|
|
|
list_add(matches, criteria);
|
|
|
|
|
int criteria_cmp(const void *a, const void *b) {
|
|
|
|
|
if (a == b) {
|
|
|
|
|
return 0;
|
|
|
|
|
} else if (!a) {
|
|
|
|
|
return -1;
|
|
|
|
|
} else if (!b) {
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
const struct criteria *crit_a = a, *crit_b = b;
|
|
|
|
|
int cmp = lenient_strcmp(crit_a->cmdlist, crit_b->cmdlist);
|
|
|
|
|
if (cmp != 0) {
|
|
|
|
|
return cmp;
|
|
|
|
|
}
|
|
|
|
|
return matches;
|
|
|
|
|
return lenient_strcmp(crit_a->crit_raw, crit_b->crit_raw);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct match_data {
|
|
|
|
|
struct criteria *criteria;
|
|
|
|
|
list_t *matches;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static void criteria_get_views_iterator(struct sway_container *container,
|
|
|
|
|
void *data) {
|
|
|
|
|
struct match_data *match_data = data;
|
|
|
|
|
if (container->type == C_VIEW) {
|
|
|
|
|
if (criteria_matches_view(match_data->criteria, container->sway_view)) {
|
|
|
|
|
list_add(match_data->matches, container->sway_view);
|
|
|
|
|
void free_criteria(struct criteria *crit) {
|
|
|
|
|
if (crit->tokens) {
|
|
|
|
|
free_crit_tokens(crit->tokens);
|
|
|
|
|
}
|
|
|
|
|
if (crit->cmdlist) {
|
|
|
|
|
free(crit->cmdlist);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
list_t *criteria_get_views(struct criteria *criteria) {
|
|
|
|
|
list_t *matches = create_list();
|
|
|
|
|
struct match_data data = {
|
|
|
|
|
.criteria = criteria,
|
|
|
|
|
.matches = matches,
|
|
|
|
|
};
|
|
|
|
|
container_for_each_descendant_dfs(&root_container,
|
|
|
|
|
criteria_get_views_iterator, &data);
|
|
|
|
|
return matches;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// The error pointer is used for parsing functions, and saves having to pass it
|
|
|
|
|
// as an argument in several places.
|
|
|
|
|
char *error = NULL;
|
|
|
|
|
|
|
|
|
|
// Returns error string on failure or NULL otherwise.
|
|
|
|
|
static bool generate_regex(pcre **regex, char *value) {
|
|
|
|
|
const char *reg_err;
|
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
|
|
*regex = pcre_compile(value, PCRE_UTF8 | PCRE_UCP, ®_err, &offset, NULL);
|
|
|
|
|
|
|
|
|
|
if (!*regex) {
|
|
|
|
|
const char *fmt = "Regex compilation for '%s' failed: %s";
|
|
|
|
|
int len = strlen(fmt) + strlen(value) + strlen(reg_err) - 3;
|
|
|
|
|
error = malloc(len);
|
|
|
|
|
snprintf(error, len, fmt, value, reg_err);
|
|
|
|
|
return false;
|
|
|
|
|
if (crit->crit_raw) {
|
|
|
|
|
free(crit->crit_raw);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
free(crit);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static bool parse_token(struct criteria *criteria, char *name, char *value) {
|
|
|
|
|
// Require value, unless token is floating or tiled
|
|
|
|
|
if (!value && (strcmp(name, "title") == 0
|
|
|
|
|
|| strcmp(name, "app_id") == 0
|
|
|
|
|
|| strcmp(name, "class") == 0
|
|
|
|
|
|| strcmp(name, "instance") == 0
|
|
|
|
|
|| strcmp(name, "con_id") == 0
|
|
|
|
|
|| strcmp(name, "con_mark") == 0
|
|
|
|
|
|| strcmp(name, "window_role") == 0
|
|
|
|
|
|| strcmp(name, "window_type") == 0
|
|
|
|
|
|| strcmp(name, "id") == 0
|
|
|
|
|
|| strcmp(name, "urgent") == 0
|
|
|
|
|
|| strcmp(name, "workspace") == 0)) {
|
|
|
|
|
const char *fmt = "Token '%s' requires a value";
|
|
|
|
|
int len = strlen(fmt) + strlen(name) - 1;
|
|
|
|
|
error = malloc(len);
|
|
|
|
|
snprintf(error, len, fmt, name);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (strcmp(name, "title") == 0) {
|
|
|
|
|
generate_regex(&criteria->title, value);
|
|
|
|
|
} else if (strcmp(name, "app_id") == 0) {
|
|
|
|
|
generate_regex(&criteria->app_id, value);
|
|
|
|
|
} else if (strcmp(name, "class") == 0) {
|
|
|
|
|
generate_regex(&criteria->class, value);
|
|
|
|
|
} else if (strcmp(name, "instance") == 0) {
|
|
|
|
|
generate_regex(&criteria->instance, value);
|
|
|
|
|
} else if (strcmp(name, "con_id") == 0) {
|
|
|
|
|
char *endptr;
|
|
|
|
|
criteria->con_id = strtoul(value, &endptr, 10);
|
|
|
|
|
if (*endptr != 0) {
|
|
|
|
|
error = strdup("The value for 'con_id' should be numeric");
|
|
|
|
|
}
|
|
|
|
|
} else if (strcmp(name, "con_mark") == 0) {
|
|
|
|
|
generate_regex(&criteria->con_mark, value);
|
|
|
|
|
} else if (strcmp(name, "window_role") == 0) {
|
|
|
|
|
generate_regex(&criteria->window_role, value);
|
|
|
|
|
} else if (strcmp(name, "window_type") == 0) {
|
|
|
|
|
// TODO: This is a string but will be stored as an enum or integer
|
|
|
|
|
} else if (strcmp(name, "id") == 0) {
|
|
|
|
|
char *endptr;
|
|
|
|
|
criteria->id = strtoul(value, &endptr, 10);
|
|
|
|
|
if (*endptr != 0) {
|
|
|
|
|
error = strdup("The value for 'id' should be numeric");
|
|
|
|
|
}
|
|
|
|
|
} else if (strcmp(name, "floating") == 0) {
|
|
|
|
|
criteria->floating = true;
|
|
|
|
|
} else if (strcmp(name, "tiling") == 0) {
|
|
|
|
|
criteria->tiling = true;
|
|
|
|
|
} else if (strcmp(name, "urgent") == 0) {
|
|
|
|
|
if (strcmp(value, "latest") == 0) {
|
|
|
|
|
criteria->urgent = 'l';
|
|
|
|
|
} else if (strcmp(value, "oldest") == 0) {
|
|
|
|
|
criteria->urgent = 'o';
|
|
|
|
|
} else {
|
|
|
|
|
error =
|
|
|
|
|
strdup("The value for 'urgent' must be 'latest' or 'oldest'");
|
|
|
|
|
bool criteria_any(struct sway_container *cont, list_t *criteria) {
|
|
|
|
|
for (int i = 0; i < criteria->length; i++) {
|
|
|
|
|
struct criteria *bc = criteria->items[i];
|
|
|
|
|
if (criteria_test(cont, bc->tokens)) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
} else if (strcmp(name, "workspace") == 0) {
|
|
|
|
|
criteria->workspace = strdup(value);
|
|
|
|
|
} else {
|
|
|
|
|
const char *fmt = "Token '%s' is not recognized";
|
|
|
|
|
int len = strlen(fmt) + strlen(name) - 1;
|
|
|
|
|
error = malloc(len);
|
|
|
|
|
snprintf(error, len, fmt, name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (error) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void skip_spaces(char **head) {
|
|
|
|
|
while (**head == ' ') {
|
|
|
|
|
++*head;
|
|
|
|
|
list_t *criteria_for(struct sway_container *cont) {
|
|
|
|
|
list_t *criteria = config->criteria, *matches = create_list();
|
|
|
|
|
for (int i = 0; i < criteria->length; i++) {
|
|
|
|
|
struct criteria *bc = criteria->items[i];
|
|
|
|
|
if (criteria_test(cont, bc->tokens)) {
|
|
|
|
|
list_add(matches, bc);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return matches;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Remove escaping slashes from value
|
|
|
|
|
static void unescape(char *value) {
|
|
|
|
|
if (!strchr(value, '\\')) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
char *copy = calloc(strlen(value) + 1, 1);
|
|
|
|
|
char *readhead = value;
|
|
|
|
|
char *writehead = copy;
|
|
|
|
|
while (*readhead) {
|
|
|
|
|
if (*readhead == '\\' && *(readhead + 1) == '"') {
|
|
|
|
|
// skip the slash
|
|
|
|
|
++readhead;
|
|
|
|
|
}
|
|
|
|
|
*writehead = *readhead;
|
|
|
|
|
++writehead;
|
|
|
|
|
++readhead;
|
|
|
|
|
}
|
|
|
|
|
strcpy(value, copy);
|
|
|
|
|
free(copy);
|
|
|
|
|
}
|
|
|
|
|
struct list_tokens {
|
|
|
|
|
list_t *list;
|
|
|
|
|
list_t *tokens;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Parse a raw criteria string such as [class="foo" instance="bar"] into a
|
|
|
|
|
* criteria struct.
|
|
|
|
|
*
|
|
|
|
|
* If errors are found, NULL will be returned and the error argument will be
|
|
|
|
|
* populated with an error string.
|
|
|
|
|
*/
|
|
|
|
|
struct criteria *criteria_parse(char *raw, char **error_arg) {
|
|
|
|
|
free(error);
|
|
|
|
|
error = NULL;
|
|
|
|
|
|
|
|
|
|
char *head = raw;
|
|
|
|
|
skip_spaces(&head);
|
|
|
|
|
if (*head != '[') {
|
|
|
|
|
*error_arg = strdup("No criteria");
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
++head;
|
|
|
|
|
|
|
|
|
|
struct criteria *criteria = calloc(sizeof(struct criteria), 1);
|
|
|
|
|
char *name = NULL, *value = NULL;
|
|
|
|
|
bool in_quotes = false;
|
|
|
|
|
|
|
|
|
|
while (*head && *head != ']') {
|
|
|
|
|
skip_spaces(&head);
|
|
|
|
|
// Parse token name
|
|
|
|
|
char *namestart = head;
|
|
|
|
|
while ((*head >= 'a' && *head <= 'z') || *head == '_') {
|
|
|
|
|
++head;
|
|
|
|
|
}
|
|
|
|
|
name = calloc(head - namestart + 1, 1);
|
|
|
|
|
strncpy(name, namestart, head - namestart);
|
|
|
|
|
// Parse token value
|
|
|
|
|
skip_spaces(&head);
|
|
|
|
|
value = NULL;
|
|
|
|
|
if (*head == '=') {
|
|
|
|
|
++head;
|
|
|
|
|
skip_spaces(&head);
|
|
|
|
|
if (*head == '"') {
|
|
|
|
|
in_quotes = true;
|
|
|
|
|
++head;
|
|
|
|
|
}
|
|
|
|
|
char *valuestart = head;
|
|
|
|
|
if (in_quotes) {
|
|
|
|
|
while (*head && (*head != '"' || *(head - 1) == '\\')) {
|
|
|
|
|
++head;
|
|
|
|
|
}
|
|
|
|
|
if (!*head) {
|
|
|
|
|
*error_arg = strdup("Quote mismatch in criteria");
|
|
|
|
|
goto cleanup;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
while (*head && *head != ' ' && *head != ']') {
|
|
|
|
|
++head;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
value = calloc(head - valuestart + 1, 1);
|
|
|
|
|
strncpy(value, valuestart, head - valuestart);
|
|
|
|
|
if (in_quotes) {
|
|
|
|
|
++head;
|
|
|
|
|
in_quotes = false;
|
|
|
|
|
}
|
|
|
|
|
unescape(value);
|
|
|
|
|
}
|
|
|
|
|
wlr_log(L_DEBUG, "Found pair: %s=%s", name, value);
|
|
|
|
|
if (!parse_token(criteria, name, value)) {
|
|
|
|
|
*error_arg = error;
|
|
|
|
|
goto cleanup;
|
|
|
|
|
}
|
|
|
|
|
skip_spaces(&head);
|
|
|
|
|
free(name);
|
|
|
|
|
free(value);
|
|
|
|
|
name = NULL;
|
|
|
|
|
value = NULL;
|
|
|
|
|
}
|
|
|
|
|
if (*head != ']') {
|
|
|
|
|
*error_arg = strdup("No closing brace found in criteria");
|
|
|
|
|
goto cleanup;
|
|
|
|
|
static void container_match_add(struct sway_container *container,
|
|
|
|
|
struct list_tokens *list_tokens) {
|
|
|
|
|
if (criteria_test(container, list_tokens->tokens)) {
|
|
|
|
|
list_add(list_tokens->list, container);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (criteria_is_empty(criteria)) {
|
|
|
|
|
*error_arg = strdup("Criteria is empty");
|
|
|
|
|
goto cleanup;
|
|
|
|
|
}
|
|
|
|
|
list_t *container_for_crit_tokens(list_t *tokens) {
|
|
|
|
|
struct list_tokens list_tokens =
|
|
|
|
|
(struct list_tokens){create_list(), tokens};
|
|
|
|
|
|
|
|
|
|
++head;
|
|
|
|
|
int len = head - raw;
|
|
|
|
|
criteria->raw = calloc(len + 1, 1);
|
|
|
|
|
strncpy(criteria->raw, raw, len);
|
|
|
|
|
return criteria;
|
|
|
|
|
container_for_each_descendant_dfs(&root_container,
|
|
|
|
|
(void (*)(struct sway_container *, void *))container_match_add,
|
|
|
|
|
&list_tokens);
|
|
|
|
|
|
|
|
|
|
cleanup:
|
|
|
|
|
free(name);
|
|
|
|
|
free(value);
|
|
|
|
|
criteria_destroy(criteria);
|
|
|
|
|
return NULL;
|
|
|
|
|
// TODO look in the scratchpad
|
|
|
|
|
|
|
|
|
|
return list_tokens.list;
|
|
|
|
|
}
|
|
|
|
|
|
Drew DeVault
7 years ago