1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2017, 2018 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "output/spv/spv.h"
23 #include <libxml/HTMLparser.h>
24 #include <libxml/xmlreader.h>
28 #include "libpspp/assertion.h"
29 #include "libpspp/cast.h"
30 #include "libpspp/hash-functions.h"
31 #include "libpspp/message.h"
32 #include "libpspp/str.h"
33 #include "libpspp/zip-reader.h"
34 #include "output/page-setup-item.h"
35 #include "output/pivot-table.h"
36 #include "output/spv/detail-xml-parser.h"
37 #include "output/spv/light-binary-parser.h"
38 #include "output/spv/spv-css-parser.h"
39 #include "output/spv/spv-legacy-data.h"
40 #include "output/spv/spv-legacy-decoder.h"
41 #include "output/spv/spv-light-decoder.h"
42 #include "output/spv/spv-table-look.h"
43 #include "output/spv/structure-xml-parser.h"
45 #include "gl/c-ctype.h"
46 #include "gl/intprops.h"
47 #include "gl/minmax.h"
48 #include "gl/xalloc.h"
49 #include "gl/xvasprintf.h"
53 #define _(msgid) gettext (msgid)
54 #define N_(msgid) (msgid)
58 struct string zip_errs;
59 struct zip_reader *zip;
60 struct spv_item *root;
61 struct page_setup *page_setup;
64 const struct page_setup *
65 spv_get_page_setup (const struct spv_reader *spv)
67 return spv->page_setup;
71 spv_item_type_to_string (enum spv_item_type type)
75 case SPV_ITEM_HEADING: return "heading";
76 case SPV_ITEM_TEXT: return "text";
77 case SPV_ITEM_TABLE: return "table";
78 case SPV_ITEM_GRAPH: return "graph";
79 case SPV_ITEM_MODEL: return "model";
80 case SPV_ITEM_OBJECT: return "object";
81 default: return "**error**";
86 spv_item_class_to_string (enum spv_item_class class)
90 #define SPV_CLASS(ENUM, NAME) case SPV_CLASS_##ENUM: return NAME;
98 spv_item_class_from_string (const char *name)
100 #define SPV_CLASS(ENUM, NAME) \
101 if (!strcmp (name, NAME)) return SPV_CLASS_##ENUM;
105 return (enum spv_item_class) SPV_N_CLASSES;
109 spv_item_get_type (const struct spv_item *item)
115 spv_item_get_class (const struct spv_item *item)
117 const char *label = spv_item_get_label (item);
123 case SPV_ITEM_HEADING:
124 return SPV_CLASS_HEADINGS;
127 return (!strcmp (label, "Title") ? SPV_CLASS_OUTLINEHEADERS
128 : !strcmp (label, "Log") ? SPV_CLASS_LOGS
129 : !strcmp (label, "Page Title") ? SPV_CLASS_PAGETITLE
133 return (!strcmp (label, "Warnings") ? SPV_CLASS_WARNINGS
134 : !strcmp (label, "Notes") ? SPV_CLASS_NOTES
138 return SPV_CLASS_CHARTS;
141 return SPV_CLASS_MODELS;
143 case SPV_ITEM_OBJECT:
144 return SPV_CLASS_OTHER;
147 return SPV_CLASS_TREES;
150 return SPV_CLASS_UNKNOWN;
155 spv_item_get_label (const struct spv_item *item)
161 spv_item_is_heading (const struct spv_item *item)
163 return item->type == SPV_ITEM_HEADING;
167 spv_item_get_n_children (const struct spv_item *item)
169 return item->n_children;
173 spv_item_get_child (const struct spv_item *item, size_t idx)
175 assert (idx < item->n_children);
176 return item->children[idx];
180 spv_item_is_table (const struct spv_item *item)
182 return item->type == SPV_ITEM_TABLE;
186 spv_item_is_text (const struct spv_item *item)
188 return item->type == SPV_ITEM_TEXT;
191 const struct pivot_value *
192 spv_item_get_text (const struct spv_item *item)
194 assert (spv_item_is_text (item));
199 spv_item_next (const struct spv_item *item)
201 if (item->n_children)
202 return item->children[0];
206 size_t idx = item->parent_idx + 1;
208 if (idx < item->n_children)
209 return item->children[idx];
215 const struct spv_item *
216 spv_item_get_parent (const struct spv_item *item)
222 spv_item_get_level (const struct spv_item *item)
225 for (; item->parent; item = item->parent)
231 spv_item_get_command_id (const struct spv_item *item)
233 return item->command_id;
237 spv_item_get_subtype (const struct spv_item *item)
239 return item->subtype;
243 spv_item_is_visible (const struct spv_item *item)
245 return item->visible;
249 spv_item_destroy (struct spv_item *item)
253 free (item->structure_member);
256 free (item->command_id);
258 for (size_t i = 0; i < item->n_children; i++)
259 spv_item_destroy (item->children[i]);
260 free (item->children);
262 pivot_table_unref (item->table);
263 if (item->table_look)
265 pivot_table_look_uninit (item->table_look);
266 free (item->table_look);
268 free (item->bin_member);
269 free (item->xml_member);
270 free (item->subtype);
272 pivot_value_destroy (item->text);
274 free (item->object_type);
282 spv_heading_add_child (struct spv_item *parent, struct spv_item *child)
284 assert (parent->type == SPV_ITEM_HEADING);
285 assert (!child->parent);
287 child->parent = parent;
288 child->parent_idx = parent->n_children;
290 if (parent->n_children >= parent->allocated_children)
291 parent->children = x2nrealloc (parent->children,
292 &parent->allocated_children,
293 sizeof *parent->children);
294 parent->children[parent->n_children++] = child;
298 find_xml_child_element (xmlNode *parent, const char *child_name)
300 for (xmlNode *node = parent->children; node; node = node->next)
301 if (node->type == XML_ELEMENT_NODE
303 && !strcmp (CHAR_CAST (char *, node->name), child_name))
310 get_xml_attr (const xmlNode *node, const char *name)
312 return CHAR_CAST (char *, xmlGetProp (node, CHAR_CAST (xmlChar *, name)));
316 put_xml_attr (const char *name, const char *value, struct string *dst)
321 ds_put_format (dst, " %s=\"", name);
322 for (const char *p = value; *p; p++)
327 ds_put_cstr (dst, " ");
330 ds_put_cstr (dst, "&");
333 ds_put_cstr (dst, "<");
336 ds_put_cstr (dst, ">");
339 ds_put_cstr (dst, """);
342 ds_put_byte (dst, *p);
346 ds_put_byte (dst, '"');
350 extract_html_text (const xmlNode *node, int base_font_size, struct string *s)
352 if (node->type == XML_ELEMENT_NODE)
354 const char *name = CHAR_CAST (char *, node->name);
355 if (!strcmp (name, "br"))
356 ds_put_byte (s, '\n');
357 else if (strcmp (name, "style"))
359 const char *tag = NULL;
360 if (strchr ("biu", name[0]) && name[1] == '\0')
363 ds_put_format (s, "<%s>", tag);
365 else if (!strcmp (name, "font"))
368 ds_put_format (s, "<%s", tag);
370 char *face = get_xml_attr (node, "face");
371 put_xml_attr ("face", face, s);
374 char *color = get_xml_attr (node, "color");
378 put_xml_attr ("color", color, s);
382 if (sscanf (color, "rgb (%"SCNu8", %"SCNu8", %"SCNu8")",
386 snprintf (color2, sizeof color2,
387 "#%02"PRIx8"%02"PRIx8"%02"PRIx8,
389 put_xml_attr ("color", color2, s);
395 char *size_s = get_xml_attr (node, "size");
396 int html_size = size_s ? atoi (size_s) : 0;
398 if (html_size >= 1 && html_size <= 7)
400 static const double scale[7] = {
401 .444, .556, .667, .778, 1.0, 1.33, 2.0
403 double size = base_font_size * scale[html_size - 1];
405 char size2[INT_BUFSIZE_BOUND (int)];
406 snprintf (size2, sizeof size2, "%.0f", size * 1024.);
407 put_xml_attr ("size", size2, s);
410 ds_put_cstr (s, ">");
412 for (const xmlNode *child = node->children; child;
414 extract_html_text (child, base_font_size, s);
416 ds_put_format (s, "</%s>", tag);
419 else if (node->type == XML_TEXT_NODE)
421 /* U+00A0 NONBREAKING SPACE is really, really common in SPV text and it
422 makes it impossible to break syntax across lines. Translate it into a
423 regular space. (Note that U+00A0 is C2 A0 in UTF-8.)
425 Do the same for U+2007 FIGURE SPACE, which also crops out weirdly
427 ds_extend (s, ds_length (s) + xmlStrlen (node->content));
428 for (const uint8_t *p = node->content; *p;)
431 if (p[0] == 0xc2 && p[1] == 0xa0)
436 else if (p[0] == 0xe2 && p[1] == 0x80 && p[2] == 0x87)
446 int last = ds_last (s);
447 if (last != EOF && !c_isspace (last))
451 ds_put_cstr (s, "<");
453 ds_put_cstr (s, ">");
455 ds_put_cstr (s, "&");
463 parse_embedded_html (const xmlNode *node)
465 /* Extract HTML from XML node. */
466 char *html_s = CHAR_CAST (char *, xmlNodeGetContent (node));
470 xmlDoc *html_doc = htmlReadMemory (
471 html_s, strlen (html_s),
472 NULL, "UTF-8", (HTML_PARSE_RECOVER | HTML_PARSE_NOERROR
473 | HTML_PARSE_NOWARNING | HTML_PARSE_NOBLANKS
474 | HTML_PARSE_NONET));
480 /* Given NODE, which should contain HTML content, returns the text within that
481 content as an allocated string. The caller must eventually free the
482 returned string (with xmlFree()). */
484 decode_embedded_html (const xmlNode *node, struct font_style *font_style)
486 struct string markup = DS_EMPTY_INITIALIZER;
487 *font_style = (struct font_style) FONT_STYLE_INITIALIZER;
488 font_style->size = 10;
490 xmlDoc *html_doc = parse_embedded_html (node);
493 xmlNode *root = xmlDocGetRootElement (html_doc);
494 xmlNode *head = root ? find_xml_child_element (root, "head") : NULL;
495 xmlNode *style = head ? find_xml_child_element (head, "style") : NULL;
498 uint8_t *style_s = xmlNodeGetContent (style);
499 spv_parse_css_style (CHAR_CAST (char *, style_s), font_style);
504 extract_html_text (root, font_style->size, &markup);
505 xmlFreeDoc (html_doc);
508 font_style->markup = true;
509 return ds_steal_cstr (&markup);
513 xstrdup_if_nonempty (const char *s)
515 return s && s[0] ? xstrdup (s) : NULL;
519 decode_container_text (const struct spvsx_container_text *ct,
520 struct spv_item *item)
522 item->type = SPV_ITEM_TEXT;
523 item->command_id = xstrdup_if_nonempty (ct->command_name);
525 item->text = xzalloc (sizeof *item->text);
526 item->text->type = PIVOT_VALUE_TEXT;
527 item->text->font_style = xmalloc (sizeof *item->text->font_style);
528 item->text->text.local = decode_embedded_html (ct->html->node_.raw,
529 item->text->font_style);
533 decode_page_p (const xmlNode *in, struct page_paragraph *out)
535 char *style = get_xml_attr (in, "style");
536 out->halign = (style && strstr (style, "center") ? TABLE_HALIGN_CENTER
537 : style && strstr (style, "right") ? TABLE_HALIGN_RIGHT
538 : TABLE_HALIGN_LEFT);
541 struct font_style font_style;
542 out->markup = decode_embedded_html (in, &font_style);
543 font_style_uninit (&font_style);
547 decode_page_paragraph (const struct spvsx_page_paragraph *page_paragraph,
548 struct page_heading *ph)
550 memset (ph, 0, sizeof *ph);
552 const struct spvsx_page_paragraph_text *page_paragraph_text
553 = page_paragraph->page_paragraph_text;
554 if (!page_paragraph_text)
557 xmlDoc *html_doc = parse_embedded_html (page_paragraph_text->node_.raw);
561 xmlNode *root = xmlDocGetRootElement (html_doc);
562 xmlNode *body = find_xml_child_element (root, "body");
564 for (const xmlNode *node = body->children; node; node = node->next)
565 if (node->type == XML_ELEMENT_NODE
566 && !strcmp (CHAR_CAST (const char *, node->name), "p"))
568 ph->paragraphs = xrealloc (ph->paragraphs,
569 (ph->n + 1) * sizeof *ph->paragraphs);
570 decode_page_p (node, &ph->paragraphs[ph->n++]);
572 xmlFreeDoc (html_doc);
576 spv_item_load (const struct spv_item *item)
578 if (spv_item_is_table (item))
579 spv_item_get_table (item);
583 spv_item_is_light_table (const struct spv_item *item)
585 return item->type == SPV_ITEM_TABLE && !item->xml_member;
588 char * WARN_UNUSED_RESULT
589 spv_item_get_raw_light_table (const struct spv_item *item,
590 void **data, size_t *size)
592 return zip_member_read_all (item->spv->zip, item->bin_member, data, size);
595 char * WARN_UNUSED_RESULT
596 spv_item_get_light_table (const struct spv_item *item,
597 struct spvlb_table **tablep)
601 if (!spv_item_is_light_table (item))
602 return xstrdup ("not a light binary table object");
606 char *error = spv_item_get_raw_light_table (item, &data, &size);
610 struct spvbin_input input;
611 spvbin_input_init (&input, data, size);
613 struct spvlb_table *table = NULL;
615 ? xasprintf ("light table member is empty")
616 : !spvlb_parse_table (&input, &table)
617 ? spvbin_input_to_error (&input, NULL)
618 : input.ofs != input.size
619 ? xasprintf ("expected end of file at offset %#zx", input.ofs)
623 struct string s = DS_EMPTY_INITIALIZER;
624 spv_item_format_path (item, &s);
625 ds_put_format (&s, " (%s): %s", item->bin_member, error);
628 error = ds_steal_cstr (&s);
637 pivot_table_open_light (struct spv_item *item)
639 assert (spv_item_is_light_table (item));
641 struct spvlb_table *raw_table;
642 char *error = spv_item_get_light_table (item, &raw_table);
644 error = decode_spvlb_table (raw_table, &item->table);
645 spvlb_free_table (raw_table);
651 spv_item_is_legacy_table (const struct spv_item *item)
653 return item->type == SPV_ITEM_TABLE && item->xml_member;
656 char * WARN_UNUSED_RESULT
657 spv_item_get_raw_legacy_data (const struct spv_item *item,
658 void **data, size_t *size)
660 if (!spv_item_is_legacy_table (item))
661 return xstrdup ("not a legacy table object");
663 return zip_member_read_all (item->spv->zip, item->bin_member, data, size);
666 char * WARN_UNUSED_RESULT
667 spv_item_get_legacy_data (const struct spv_item *item, struct spv_data *data)
671 char *error = spv_item_get_raw_legacy_data (item, &raw, &size);
674 error = spv_legacy_data_decode (raw, size, data);
681 static char * WARN_UNUSED_RESULT
682 spv_read_xml_member (struct spv_reader *spv, const char *member_name,
683 bool keep_blanks, const char *root_element_name,
688 struct zip_member *zm = zip_member_open (spv->zip, member_name);
690 return ds_steal_cstr (&spv->zip_errs);
692 xmlParserCtxt *parser;
693 xmlKeepBlanksDefault (keep_blanks);
694 parser = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
697 zip_member_finish (zm);
698 return xasprintf (_("%s: Failed to create XML parser"), member_name);
703 while ((retval = zip_member_read (zm, buf, sizeof buf)) > 0)
704 xmlParseChunk (parser, buf, retval, false);
705 xmlParseChunk (parser, NULL, 0, true);
707 xmlDoc *doc = parser->myDoc;
708 bool well_formed = parser->wellFormed;
709 xmlFreeParserCtxt (parser);
713 char *error = ds_steal_cstr (&spv->zip_errs);
714 zip_member_finish (zm);
718 zip_member_finish (zm);
723 return xasprintf(_("%s: document is not well-formed"), member_name);
726 const xmlNode *root_node = xmlDocGetRootElement (doc);
727 assert (root_node->type == XML_ELEMENT_NODE);
728 if (strcmp (CHAR_CAST (char *, root_node->name), root_element_name))
731 return xasprintf(_("%s: root node is \"%s\" but \"%s\" was expected"),
733 CHAR_CAST (char *, root_node->name), root_element_name);
740 char * WARN_UNUSED_RESULT
741 spv_item_get_legacy_table (const struct spv_item *item, xmlDoc **docp)
743 assert (spv_item_is_legacy_table (item));
745 return spv_read_xml_member (item->spv, item->xml_member, false,
746 "visualization", docp);
749 char * WARN_UNUSED_RESULT
750 spv_item_get_structure (const struct spv_item *item, struct _xmlDoc **docp)
752 return spv_read_xml_member (item->spv, item->structure_member, false,
757 identify_item (const struct spv_item *item)
759 return (item->label ? item->label
760 : item->command_id ? item->command_id
761 : spv_item_type_to_string (item->type));
765 spv_item_format_path (const struct spv_item *item, struct string *s)
767 enum { MAX_STACK = 32 };
768 const struct spv_item *stack[MAX_STACK];
771 while (item != NULL && item->parent && n < MAX_STACK)
780 ds_put_byte (s, '/');
782 const char *name = identify_item (item);
783 ds_put_cstr (s, name);
789 for (size_t i = 0; i < item->parent->n_children; i++)
791 const struct spv_item *sibling = item->parent->children[i];
794 else if (!strcmp (name, identify_item (sibling)))
798 ds_put_format (s, "[%zu]", index);
803 static char * WARN_UNUSED_RESULT
804 pivot_table_open_legacy (struct spv_item *item)
806 assert (spv_item_is_legacy_table (item));
808 struct spv_data data;
809 char *error = spv_item_get_legacy_data (item, &data);
812 struct string s = DS_EMPTY_INITIALIZER;
813 spv_item_format_path (item, &s);
814 ds_put_format (&s, " (%s): %s", item->bin_member, error);
817 return ds_steal_cstr (&s);
821 error = spv_read_xml_member (item->spv, item->xml_member, false,
822 "visualization", &doc);
825 spv_data_uninit (&data);
829 struct spvxml_context ctx = SPVXML_CONTEXT_INIT (ctx);
830 struct spvdx_visualization *v;
831 spvdx_parse_visualization (&ctx, xmlDocGetRootElement (doc), &v);
832 error = spvxml_context_finish (&ctx, &v->node_);
835 error = decode_spvdx_table (v, item->subtype, item->table_look,
836 &data, &item->table);
840 struct string s = DS_EMPTY_INITIALIZER;
841 spv_item_format_path (item, &s);
842 ds_put_format (&s, " (%s): %s", item->xml_member, error);
845 error = ds_steal_cstr (&s);
848 spv_data_uninit (&data);
849 spvdx_free_visualization (v);
857 spv_item_get_table (const struct spv_item *item_)
859 struct spv_item *item = CONST_CAST (struct spv_item *, item_);
861 assert (spv_item_is_table (item));
864 char *error = (item->xml_member
865 ? pivot_table_open_legacy (item)
866 : pivot_table_open_light (item));
870 msg (ME, "%s", error);
871 item->table = pivot_table_create_for_text (
872 pivot_value_new_text (N_("Error")),
873 pivot_value_new_user_text (error, -1));
881 /* Constructs a new spv_item from XML and stores it in *ITEMP. Returns NULL if
882 successful, otherwise an error message for the caller to use and free (with
885 XML should be a 'heading' or 'container' element. */
886 static char * WARN_UNUSED_RESULT
887 spv_decode_container (const struct spvsx_container *c,
888 const char *structure_member,
889 struct spv_item *parent)
891 struct spv_item *item = xzalloc (sizeof *item);
892 item->spv = parent->spv;
893 item->label = xstrdup (c->label->text);
894 item->visible = c->visibility == SPVSX_VISIBILITY_VISIBLE;
895 item->structure_member = xstrdup (structure_member);
897 assert (c->n_seq == 1);
898 struct spvxml_node *content = c->seq[0];
899 if (spvsx_is_container_text (content))
900 decode_container_text (spvsx_cast_container_text (content), item);
901 else if (spvsx_is_table (content))
903 item->type = SPV_ITEM_TABLE;
905 struct spvsx_table *table = spvsx_cast_table (content);
906 const struct spvsx_table_structure *ts = table->table_structure;
907 item->bin_member = xstrdup (ts->data_path->text);
908 item->command_id = xstrdup_if_nonempty (table->command_name);
909 item->subtype = xstrdup_if_nonempty (table->sub_type);
912 item->xml_member = ts->path ? xstrdup (ts->path->text) : NULL;
913 char *error = (table->table_properties
914 ? spv_table_look_decode (table->table_properties,
916 : xstrdup ("Legacy table lacks tableProperties"));
919 spv_item_destroy (item);
924 else if (spvsx_is_graph (content))
926 struct spvsx_graph *graph = spvsx_cast_graph (content);
927 item->type = SPV_ITEM_GRAPH;
928 item->command_id = xstrdup_if_nonempty (graph->command_name);
931 else if (spvsx_is_model (content))
933 struct spvsx_model *model = spvsx_cast_model (content);
934 item->type = SPV_ITEM_MODEL;
935 item->command_id = xstrdup_if_nonempty (model->command_name);
938 else if (spvsx_is_object (content))
940 struct spvsx_object *object = spvsx_cast_object (content);
941 item->type = SPV_ITEM_OBJECT;
942 item->object_type = xstrdup (object->type);
943 item->uri = xstrdup (object->uri);
945 else if (spvsx_is_image (content))
947 struct spvsx_image *image = spvsx_cast_image (content);
948 item->type = SPV_ITEM_OBJECT;
949 item->object_type = xstrdup ("image");
950 item->uri = xstrdup (image->data_path->text);
952 else if (spvsx_is_tree (content))
954 struct spvsx_tree *tree = spvsx_cast_tree (content);
955 item->type = SPV_ITEM_TREE;
956 item->object_type = xstrdup ("tree");
957 item->uri = xstrdup (tree->data_path->text);
962 spv_heading_add_child (parent, item);
966 static char * WARN_UNUSED_RESULT
967 spv_decode_children (struct spv_reader *spv, const char *structure_member,
968 struct spvxml_node **seq, size_t n_seq,
969 struct spv_item *parent)
971 for (size_t i = 0; i < n_seq; i++)
973 const struct spvxml_node *node = seq[i];
976 if (spvsx_is_container (node))
978 const struct spvsx_container *container
979 = spvsx_cast_container (node);
980 error = spv_decode_container (container, structure_member, parent);
982 else if (spvsx_is_heading (node))
984 const struct spvsx_heading *subheading = spvsx_cast_heading (node);
985 struct spv_item *subitem = xzalloc (sizeof *subitem);
986 subitem->structure_member = xstrdup (structure_member);
987 subitem->spv = parent->spv;
988 subitem->type = SPV_ITEM_HEADING;
989 subitem->label = xstrdup (subheading->label->text);
990 if (subheading->command_name)
991 subitem->command_id = xstrdup (subheading->command_name);
992 subitem->visible = !subheading->heading_visibility_present;
993 spv_heading_add_child (parent, subitem);
995 error = spv_decode_children (spv, structure_member,
996 subheading->seq, subheading->n_seq,
1009 static struct page_setup *
1010 decode_page_setup (const struct spvsx_page_setup *in, const char *file_name)
1012 struct page_setup *out = xmalloc (sizeof *out);
1013 *out = (struct page_setup) PAGE_SETUP_INITIALIZER;
1015 out->initial_page_number = in->initial_page_number;
1017 if (in->paper_width != DBL_MAX)
1018 out->paper[TABLE_HORZ] = in->paper_width;
1019 if (in->paper_height != DBL_MAX)
1020 out->paper[TABLE_VERT] = in->paper_height;
1022 if (in->margin_left != DBL_MAX)
1023 out->margins[TABLE_HORZ][0] = in->margin_left;
1024 if (in->margin_right != DBL_MAX)
1025 out->margins[TABLE_HORZ][1] = in->margin_right;
1026 if (in->margin_top != DBL_MAX)
1027 out->margins[TABLE_VERT][0] = in->margin_top;
1028 if (in->margin_bottom != DBL_MAX)
1029 out->margins[TABLE_VERT][1] = in->margin_bottom;
1031 if (in->space_after != DBL_MAX)
1032 out->object_spacing = in->space_after;
1035 out->chart_size = (in->chart_size == SPVSX_CHART_SIZE_FULL_HEIGHT
1036 ? PAGE_CHART_FULL_HEIGHT
1037 : in->chart_size == SPVSX_CHART_SIZE_HALF_HEIGHT
1038 ? PAGE_CHART_HALF_HEIGHT
1039 : in->chart_size == SPVSX_CHART_SIZE_QUARTER_HEIGHT
1040 ? PAGE_CHART_QUARTER_HEIGHT
1041 : PAGE_CHART_AS_IS);
1043 decode_page_paragraph (in->page_header->page_paragraph, &out->headings[0]);
1044 decode_page_paragraph (in->page_footer->page_paragraph, &out->headings[1]);
1046 out->file_name = xstrdup (file_name);
1051 static char * WARN_UNUSED_RESULT
1052 spv_heading_read (struct spv_reader *spv,
1053 const char *file_name, const char *member_name)
1056 char *error = spv_read_xml_member (spv, member_name, true, "heading", &doc);
1060 struct spvxml_context ctx = SPVXML_CONTEXT_INIT (ctx);
1061 struct spvsx_root_heading *root;
1062 spvsx_parse_root_heading (&ctx, xmlDocGetRootElement (doc), &root);
1063 error = spvxml_context_finish (&ctx, &root->node_);
1065 if (!error && root->page_setup)
1066 spv->page_setup = decode_page_setup (root->page_setup, file_name);
1068 for (size_t i = 0; !error && i < root->n_seq; i++)
1069 error = spv_decode_children (spv, member_name, root->seq, root->n_seq,
1074 char *s = xasprintf ("%s: %s", member_name, error);
1079 spvsx_free_root_heading (root);
1086 spv_get_root (const struct spv_reader *spv)
1092 spv_detect__ (struct zip_reader *zip, char **errorp)
1096 const char *member = "META-INF/MANIFEST.MF";
1097 if (!zip_reader_contains_member (zip, member))
1102 *errorp = zip_member_read_all (zip, "META-INF/MANIFEST.MF",
1107 const char *magic = "allowPivoting=true";
1108 bool is_spv = size == strlen (magic) && !memcmp (magic, data, size);
1114 /* Returns NULL if FILENAME is an SPV file, otherwise an error string that the
1115 caller must eventually free(). */
1116 char * WARN_UNUSED_RESULT
1117 spv_detect (const char *filename)
1119 struct string zip_error;
1120 struct zip_reader *zip = zip_reader_create (filename, &zip_error);
1122 return ds_steal_cstr (&zip_error);
1125 if (spv_detect__ (zip, &error) <= 0 && !error)
1126 error = xasprintf("%s: not an SPV file", filename);
1127 zip_reader_destroy (zip);
1128 ds_destroy (&zip_error);
1132 char * WARN_UNUSED_RESULT
1133 spv_open (const char *filename, struct spv_reader **spvp)
1137 struct spv_reader *spv = xzalloc (sizeof *spv);
1138 ds_init_empty (&spv->zip_errs);
1139 spv->zip = zip_reader_create (filename, &spv->zip_errs);
1142 char *error = ds_steal_cstr (&spv->zip_errs);
1148 int detect = spv_detect__ (spv->zip, &error);
1152 return error ? error : xasprintf("%s: not an SPV file", filename);
1155 spv->root = xzalloc (sizeof *spv->root);
1156 spv->root->spv = spv;
1157 spv->root->type = SPV_ITEM_HEADING;
1158 for (size_t i = 0; ; i++)
1160 const char *member_name = zip_reader_get_member_name (spv->zip, i);
1164 struct substring member_name_ss = ss_cstr (member_name);
1165 if (ss_starts_with (member_name_ss, ss_cstr ("outputViewer"))
1166 && ss_ends_with (member_name_ss, ss_cstr (".xml")))
1168 char *error = spv_heading_read (spv, filename, member_name);
1182 spv_close (struct spv_reader *spv)
1186 ds_destroy (&spv->zip_errs);
1187 zip_reader_destroy (spv->zip);
1188 spv_item_destroy (spv->root);
1189 page_setup_destroy (spv->page_setup);
1195 spv_item_set_table_look (struct spv_item *item,
1196 const struct pivot_table_look *look)
1198 /* If this is a table, install the table look in it.
1200 (We can't just set item->table_look because light tables ignore it and
1201 legacy tables sometimes override it.) */
1202 if (spv_item_is_table (item))
1203 pivot_table_set_look (spv_item_get_table (item), look);
1205 for (size_t i = 0; i < item->n_children; i++)
1206 spv_item_set_table_look (item->children[i], look);
1209 char * WARN_UNUSED_RESULT
1210 spv_decode_fmt_spec (uint32_t u32, struct fmt_spec *out)
1213 || (u32 == 0x10000 || u32 == 1 /* both used as string formats */))
1215 *out = fmt_for_output (FMT_F, 40, 2);
1219 uint8_t raw_type = u32 >> 16;
1220 uint8_t w = u32 >> 8;
1224 *out = (struct fmt_spec) { .type = FMT_F, .w = w, .d = d };
1225 bool ok = raw_type >= 40 || fmt_from_io (raw_type, &out->type);
1228 fmt_fix_output (out);
1229 ok = fmt_check_width_compat (out, 0);
1235 *out = fmt_for_output (FMT_F, 40, 2);
1236 return xasprintf ("bad format %#"PRIx32, u32);