X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fdriver.c;h=6dfebab854cf6a3164e4220cf780053b82a1bcca;hb=bd5e8f74de87b9061ff62615f48fb378e844e87d;hp=55eac27d186d49c23a6ca3c154db9a740b51f105;hpb=def6f19d1b58929ed31ae6a7a90f89054ab3ace7;p=pspp diff --git a/src/output/driver.c b/src/output/driver.c index 55eac27d18..6dfebab854 100644 --- a/src/output/driver.c +++ b/src/output/driver.c @@ -21,9 +21,8 @@ #include #include -#include -#include #include +#include #include #include #include @@ -38,14 +37,12 @@ #include "libpspp/string-map.h" #include "libpspp/string-set.h" #include "libpspp/str.h" -#include "output/group-item.h" -#include "output/message-item.h" #include "output/output-item.h" -#include "output/text-item.h" #include "gl/error.h" #include "gl/xalloc.h" #include "gl/xmemdup0.h" +#include "gl/xvasprintf.h" #include "gettext.h" #define _(msgid) gettext (msgid) @@ -54,7 +51,7 @@ struct output_engine { struct ll ll; /* Node for this engine. */ struct llx_list drivers; /* Contains "struct output_driver"s. */ - struct text_item *deferred_text; /* Output text being accumulated. */ + struct output_item *deferred_text; /* Output text being accumulated. */ char *command_name; /* Name of command being processed. */ char *title, *subtitle; /* Components of page title. */ @@ -115,14 +112,12 @@ void output_engine_pop (void) { struct ll *head = ll_pop_head (&engine_stack); - struct output_engine *e =ll_data (head, struct output_engine, ll); + struct output_engine *e = ll_data (head, struct output_engine, ll); - while (!llx_is_empty (&e->drivers)) - { - struct output_driver *d = llx_pop_head (&e->drivers, &llx_malloc_mgr); - output_driver_destroy (d); - } - text_item_unref (e->deferred_text); + struct output_driver *d; + llx_for_each_preremove (d, &e->drivers, &llx_malloc_mgr) + output_driver_destroy (d); + output_item_unref (e->deferred_text); free (e->command_name); free (e->title); free (e->subtitle); @@ -146,27 +141,33 @@ static void output_submit__ (struct output_engine *e, struct output_item *item) { struct llx *llx, *next; - - for (llx = llx_head (&e->drivers); llx != llx_null (&e->drivers); llx = next) + llx_for_each_safe (llx, next, &e->drivers) { struct output_driver *d = llx_data (llx); - enum settings_output_type type; - next = llx_next (llx); - - if (is_message_item (item)) + enum settings_output_type type = SETTINGS_OUTPUT_RESULT; + switch (item->type) { - const struct msg *m = message_item_get_msg (to_message_item (item)); - if (m->severity == MSG_S_NOTE) - type = SETTINGS_OUTPUT_NOTE; - else - type = SETTINGS_OUTPUT_ERROR; + case OUTPUT_ITEM_MESSAGE: + type = (item->message->severity == MSG_S_NOTE + ? SETTINGS_OUTPUT_NOTE + : SETTINGS_OUTPUT_ERROR); + break; + + case OUTPUT_ITEM_TEXT: + if (item->text.subtype == TEXT_ITEM_SYNTAX) + type = SETTINGS_OUTPUT_SYNTAX; + break; + + case OUTPUT_ITEM_CHART: + case OUTPUT_ITEM_GROUP_OPEN: + case OUTPUT_ITEM_GROUP_CLOSE: + case OUTPUT_ITEM_IMAGE: + case OUTPUT_ITEM_PAGE_BREAK: + case OUTPUT_ITEM_PAGE_SETUP: + case OUTPUT_ITEM_TABLE: + break; } - else if (is_text_item (item) - && text_item_get_type (to_text_item (item)) == TEXT_ITEM_SYNTAX) - type = SETTINGS_OUTPUT_SYNTAX; - else - type = SETTINGS_OUTPUT_RESULT; if (settings_get_output_routing (type) & d->device_type) d->class->submit (d, item); @@ -178,29 +179,28 @@ output_submit__ (struct output_engine *e, struct output_item *item) static void flush_deferred_text (struct output_engine *e) { - struct text_item *deferred_text = e->deferred_text; + struct output_item *deferred_text = e->deferred_text; if (deferred_text) { e->deferred_text = NULL; - output_submit__ (e, text_item_super (deferred_text)); + output_submit__ (e, deferred_text); } } static bool -defer_text (struct output_engine *e, struct output_item *output_item) +defer_text (struct output_engine *e, struct output_item *item) { - if (!is_text_item (output_item)) + if (item->type != OUTPUT_ITEM_TEXT) return false; - struct text_item *text = to_text_item (output_item); if (!e->deferred_text) - e->deferred_text = text_item_unshare (text); - else if (text_item_append (e->deferred_text, text)) - text_item_unref (text); + e->deferred_text = output_item_unshare (item); + else if (text_item_append (e->deferred_text, item)) + output_item_unref (item); else { flush_deferred_text (e); - e->deferred_text = text_item_unshare (text); + e->deferred_text = output_item_unshare (item); } return true; } @@ -222,55 +222,54 @@ output_submit (struct output_item *item) return; flush_deferred_text (e); - if (is_group_open_item (item)) + switch (item->type) { - const struct group_open_item *group_open_item - = to_group_open_item (item); + case OUTPUT_ITEM_GROUP_OPEN: if (e->n_groups >= e->allocated_groups) e->groups = x2nrealloc (e->groups, &e->allocated_groups, sizeof *e->groups); - e->groups[e->n_groups] = (group_open_item->command_name - ? xstrdup (group_open_item->command_name) - : NULL); + e->groups[e->n_groups] = xstrdup_if_nonnull (item->command_name); e->n_groups++; - } - else if (is_group_close_item (item)) - { + break; + + case OUTPUT_ITEM_GROUP_CLOSE: assert (e->n_groups > 0); size_t idx = --e->n_groups; free (e->groups[idx]); - if (idx >= 1 && idx <= 4) - { - char *key = xasprintf ("Head%zu", idx); - free (string_map_find_and_delete (&e->heading_vars, key)); - free (key); - } - } - else if (is_text_item (item)) - { - const struct text_item *text_item = to_text_item (item); - enum text_item_type type = text_item_get_type (text_item); - const char *text = text_item_get_text (text_item); - if (type == TEXT_ITEM_TITLE - && e->n_groups >= 1 && e->n_groups <= 4) - { - char *key = xasprintf ("Head%zu", e->n_groups); - string_map_replace (&e->heading_vars, key, text); - free (key); - } - else if (type == TEXT_ITEM_PAGE_TITLE) - string_map_replace (&e->heading_vars, "PageTitle", text); + + char *key = xasprintf ("Head%zu", idx); + free (string_map_find_and_delete (&e->heading_vars, key)); + free (key); + break; + + case OUTPUT_ITEM_TEXT: + { + enum text_item_subtype st = item->text.subtype; + char *key = (st == TEXT_ITEM_TITLE ? xasprintf ("Head%zu", e->n_groups) + : st == TEXT_ITEM_PAGE_TITLE ? xstrdup ("PageTitle") + : NULL); + if (key) + string_map_replace_nocopy (&e->heading_vars, key, + text_item_get_plain_text (item)); + } + break; + + case OUTPUT_ITEM_CHART: + case OUTPUT_ITEM_IMAGE: + case OUTPUT_ITEM_MESSAGE: + case OUTPUT_ITEM_PAGE_BREAK: + case OUTPUT_ITEM_PAGE_SETUP: + case OUTPUT_ITEM_TABLE: + break; } output_submit__ (e, item); } -/* Returns the name of the command currently being parsed, in all uppercase. - The caller must free the returned value. - - Returns NULL if no command is being parsed. */ -char * +/* Returns the name of the command currently being parsed, or NULL if no + command is being parsed. */ +const char * output_get_command_name (void) { struct output_engine *e = engine_stack_top (); @@ -279,22 +278,29 @@ output_get_command_name (void) for (size_t i = e->n_groups; i-- > 0;) if (e->groups[i]) - return utf8_to_upper (e->groups[i]); + return e->groups[i]; return NULL; } +char * +output_get_uppercase_command_name (void) +{ + const char *command_name = output_get_command_name (); + return command_name ? utf8_to_upper (command_name) : NULL; +} + /* Flushes output to screen devices, so that the user can see output that doesn't fill up an entire page. */ void output_flush (void) { struct output_engine *e = engine_stack_top (); - struct llx *llx; flush_deferred_text (e); - for (llx = llx_head (&e->drivers); llx != llx_null (&e->drivers); - llx = llx_next (llx)) + + struct llx *llx; + llx_for_each (llx, &e->drivers) { struct output_driver *d = llx_data (llx); if (d->device_type & SETTINGS_DEVICE_TERMINAL && d->class->flush != NULL) @@ -306,15 +312,26 @@ static void output_set_title__ (struct output_engine *e, char **dst, const char *src) { free (*dst); - *dst = src ? xstrdup (src) : NULL; + *dst = xstrdup_if_nonnull (src); char *page_title = (e->title && e->subtitle ? xasprintf ("%s\n%s", e->title, e->subtitle) : e->title ? xstrdup (e->title) : e->subtitle ? xstrdup (e->subtitle) : xzalloc (1)); - text_item_submit (text_item_create_nocopy (TEXT_ITEM_PAGE_TITLE, - page_title, NULL)); + output_item_submit (text_item_create_nocopy (TEXT_ITEM_PAGE_TITLE, + page_title, NULL)); +} + +void PRINTF_FORMAT (1, 2) +output_log (const char *format, ...) +{ + va_list args; + va_start (args, format); + char *s = xvasprintf (format, args); + va_end (args); + + output_submit (text_item_create_nocopy (TEXT_ITEM_LOG, s, NULL)); } void @@ -554,30 +571,6 @@ output_driver_parse_option (const char *option, struct string_map *options) string_map_insert_nocopy (options, key, value); } -/* Extracts the actual text content from the given Pango MARKUP and returns it - as as a malloc()'d string. */ -char * -output_get_text_from_markup (const char *markup) -{ - xmlParserCtxt *parser = xmlCreatePushParserCtxt (NULL, NULL, NULL, 0, NULL); - if (!parser) - return xstrdup (markup); - - xmlParseChunk (parser, "", strlen (""), false); - xmlParseChunk (parser, markup, strlen (markup), false); - xmlParseChunk (parser, "", strlen (""), true); - - char *content - = (parser->wellFormed - ? CHAR_CAST (char *, - xmlNodeGetContent (xmlDocGetRootElement (parser->myDoc))) - : xstrdup (markup)); - xmlFreeDoc (parser->myDoc); - xmlFreeParserCtxt (parser); - - return content; -} - char * output_driver_substitute_heading_vars (const char *src, int page_number) {