X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fdriver.c;h=be60cb2746f4d0dc96b3ae6ee9ea5fc8e4c162e9;hb=b0486442675e454c1e542a7098e5f127b2757787;hp=b9e4b785290d38f77cab652e26996b833a7217a7;hpb=dbe1d88697fe0b37bc1cc5b0bcbacc2d3f26c1f1;p=pspp diff --git a/src/output/driver.c b/src/output/driver.c index b9e4b78529..be60cb2746 100644 --- a/src/output/driver.c +++ b/src/output/driver.c @@ -1,5 +1,5 @@ /* PSPP - a program for statistical analysis. - Copyright (C) 1997-9, 2000, 2007, 2009, 2010, 2011, 2012, 2014 Free Software Foundation, Inc. + Copyright (C) 1997-9, 2000, 2007, 2009, 2010, 2011, 2012, 2014, 2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -26,11 +26,13 @@ #include #include #include +#include #include "data/file-handle-def.h" #include "data/settings.h" #include "libpspp/array.h" #include "libpspp/assertion.h" +#include "libpspp/i18n.h" #include "libpspp/message.h" #include "libpspp/llx.h" #include "libpspp/string-map.h" @@ -50,8 +52,9 @@ struct output_engine { + struct ll ll; /* Node for this engine. */ struct llx_list drivers; /* Contains "struct output_driver"s. */ - struct string deferred_syntax; /* TEXT_ITEM_SYNTAX being accumulated. */ + struct text_item *deferred_text; /* Output text being accumulated. */ char *command_name; /* Name of command being processed. */ char *title, *subtitle; /* Components of page title. */ @@ -62,57 +65,72 @@ struct output_engine char **groups; /* Command names of nested sections. */ size_t n_groups; size_t allocated_groups; + + struct string_map heading_vars; }; -static const struct output_driver_factory *factories[]; +static struct ll_list engine_stack = LL_INITIALIZER (engine_stack); -/* A stack of output engines.. */ -static struct output_engine *engine_stack; -static size_t n_stack, allocated_stack; +static const struct output_driver_factory *factories[]; static struct output_engine * engine_stack_top (void) { - assert (n_stack > 0); - return &engine_stack[n_stack - 1]; + struct ll *head = ll_head (&engine_stack); + if (ll_is_empty (&engine_stack)) + return NULL; + return ll_data (head, struct output_engine, ll); +} + +static void +put_strftime (const char *key, const char *format, + const struct tm *tm, struct string_map *vars) +{ + if (!string_map_find (vars, key)) + { + char value[128]; + strftime (value, sizeof value, format, tm); + string_map_insert (vars, key, value); + } } void output_engine_push (void) { - struct output_engine *e; + struct output_engine *e = xzalloc (sizeof (*e)); - if (n_stack >= allocated_stack) - engine_stack = x2nrealloc (engine_stack, &allocated_stack, - sizeof *engine_stack); - - e = &engine_stack[n_stack++]; - memset (e, 0, sizeof *e); llx_init (&e->drivers); - ds_init_empty (&e->deferred_syntax); - e->title = NULL; - e->subtitle = NULL; + + string_map_init (&e->heading_vars); + + time_t t = time (NULL); + const struct tm *tm = localtime (&t); + put_strftime ("Date", "%x", tm, &e->heading_vars); + put_strftime ("Time", "%X", tm, &e->heading_vars); + + ll_push_head (&engine_stack, &e->ll); } void output_engine_pop (void) { - struct output_engine *e; + struct ll *head = ll_pop_head (&engine_stack); + struct output_engine *e =ll_data (head, struct output_engine, ll); - assert (n_stack > 0); - e = &engine_stack[--n_stack]; while (!llx_is_empty (&e->drivers)) { struct output_driver *d = llx_pop_head (&e->drivers, &llx_malloc_mgr); output_driver_destroy (d); } - ds_destroy (&e->deferred_syntax); + text_item_unref (e->deferred_text); free (e->command_name); free (e->title); free (e->subtitle); for (size_t i = 0; i < e->n_groups; i++) free (e->groups[i]); free (e->groups); + string_map_destroy (&e->heading_vars); + free (e); } void @@ -158,25 +176,33 @@ output_submit__ (struct output_engine *e, struct output_item *item) } static void -flush_deferred_syntax (struct output_engine *e) +flush_deferred_text (struct output_engine *e) { - if (!ds_is_empty (&e->deferred_syntax)) + struct text_item *deferred_text = e->deferred_text; + if (deferred_text) { - ds_trim (&e->deferred_syntax, ss_cstr ("\n")); - if (!ds_is_empty (&e->deferred_syntax)) - { - char *syntax = ds_steal_cstr (&e->deferred_syntax); - output_submit__ (e, text_item_super (text_item_create_nocopy ( - TEXT_ITEM_SYNTAX, syntax))); - } + e->deferred_text = NULL; + output_submit__ (e, text_item_super (deferred_text)); } } static bool -is_syntax_item (const struct output_item *item) +defer_text (struct output_engine *e, struct output_item *output_item) { - return (is_text_item (item) - && text_item_get_type (to_text_item (item)) == TEXT_ITEM_SYNTAX); + if (!is_text_item (output_item)) + 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); + else + { + flush_deferred_text (e); + e->deferred_text = text_item_unshare (text); + } + return true; } /* Submits ITEM to the configured output drivers, and transfers ownership to @@ -186,17 +212,15 @@ output_submit (struct output_item *item) { struct output_engine *e = engine_stack_top (); - if (item == NULL) + if (e == NULL) return; - if (is_syntax_item (item)) - { - ds_put_cstr (&e->deferred_syntax, text_item_get_text (to_text_item (item))); - output_item_unref (item); - return; - } + if (item == NULL) + return; - flush_deferred_syntax (e); + if (defer_text (e, item)) + return; + flush_deferred_text (e); if (is_group_open_item (item)) { @@ -216,20 +240,46 @@ output_submit (struct output_item *item) 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); + } + output_submit__ (e, item); } -const char * +/* 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 * output_get_command_name (void) { - if (n_stack) - { - struct output_engine *e = engine_stack_top (); - for (size_t i = e->n_groups; i-- > 0; ) - if (e->groups[i]) - return e->groups[i]; - } + struct output_engine *e = engine_stack_top (); + if (e == NULL) + return NULL; + + for (size_t i = e->n_groups; i-- > 0;) + if (e->groups[i]) + return utf8_to_upper (e->groups[i]); return NULL; } @@ -242,7 +292,7 @@ output_flush (void) struct output_engine *e = engine_stack_top (); struct llx *llx; - flush_deferred_syntax (e); + flush_deferred_text (e); for (llx = llx_head (&e->drivers); llx != llx_null (&e->drivers); llx = llx_next (llx)) { @@ -264,7 +314,7 @@ output_set_title__ (struct output_engine *e, char **dst, const char *src) : e->subtitle ? xstrdup (e->subtitle) : xzalloc (1)); text_item_submit (text_item_create_nocopy (TEXT_ITEM_PAGE_TITLE, - page_title)); + page_title, NULL)); } void @@ -283,6 +333,14 @@ output_set_subtitle (const char *subtitle) output_set_title__ (e, &e->subtitle, subtitle); } +void +output_set_filename (const char *filename) +{ + struct output_engine *e = engine_stack_top (); + + string_map_replace (&e->heading_vars, "Filename", filename); +} + size_t output_get_group_level (void) { @@ -326,9 +384,11 @@ output_driver_get_engine (const struct output_driver *driver) { struct output_engine *e; - for (e = engine_stack; e < &engine_stack[n_stack]; e++) - if (llx_find (llx_head (&e->drivers), llx_null (&e->drivers), driver)) - return e; + ll_for_each (e, struct output_engine, ll, &engine_stack) + { + if (llx_find (llx_head (&e->drivers), llx_null (&e->drivers), driver)) + return e; + } return NULL; } @@ -363,11 +423,14 @@ extern const struct output_driver_factory list_driver_factory; extern const struct output_driver_factory html_driver_factory; extern const struct output_driver_factory csv_driver_factory; extern const struct output_driver_factory odt_driver_factory; +extern const struct output_driver_factory spv_driver_factory; #ifdef HAVE_CAIRO extern const struct output_driver_factory pdf_driver_factory; extern const struct output_driver_factory ps_driver_factory; extern const struct output_driver_factory svg_driver_factory; +extern const struct output_driver_factory png_driver_factory; #endif +extern const struct output_driver_factory tex_driver_factory; static const struct output_driver_factory *factories[] = { @@ -376,11 +439,14 @@ static const struct output_driver_factory *factories[] = &html_driver_factory, &csv_driver_factory, &odt_driver_factory, + &spv_driver_factory, #ifdef HAVE_CAIRO &pdf_driver_factory, &ps_driver_factory, &svg_driver_factory, + &png_driver_factory, #endif + &tex_driver_factory, NULL }; @@ -497,18 +563,57 @@ output_driver_parse_option (const char *option, struct string_map *options) char * output_get_text_from_markup (const char *markup) { - xmlDoc *doc = xmlReadMemory (markup, strlen (markup), "noname.xml", "UTF-8", - (XML_PARSE_NOERROR | XML_PARSE_NOWARNING - | XML_PARSE_NONET | XML_PARSE_NOCDATA)); - if (!doc) + xmlParserCtxt *parser = xmlCreatePushParserCtxt (NULL, NULL, NULL, 0, NULL); + if (!parser) return xstrdup (markup); - char *content = CHAR_CAST (char *, - xmlNodeGetContent (xmlDocGetRootElement (doc))); - if (!content) - content = xstrdup (markup); + xmlParseChunk (parser, "", strlen (""), false); + xmlParseChunk (parser, markup, strlen (markup), false); + xmlParseChunk (parser, "", strlen (""), true); - xmlFreeDoc (doc); + 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) +{ + struct output_engine *e = engine_stack_top (); + struct string dst = DS_EMPTY_INITIALIZER; + ds_extend (&dst, strlen (src)); + for (const char *p = src; *p;) + { + if (!strncmp (p, "&[", 6)) + { + if (page_number != INT_MIN) + { + const char *start = p + 6; + const char *end = strchr (start, ']'); + if (end) + { + const char *value = string_map_find__ (&e->heading_vars, + start, end - start); + if (value) + ds_put_cstr (&dst, value); + else if (ss_equals (ss_buffer (start, end - start), + ss_cstr ("Page"))) + ds_put_format (&dst, "%d", page_number); + p = end + 1; + continue; + } + } + ds_put_cstr (&dst, "&"); + p += 5; + } + else + ds_put_byte (&dst, *p++); + } + return ds_steal_cstr (&dst); +}