pintos-os.org Git - pspp/blob - src/output/spv/spv-table-look.c

   1 /* PSPP - a program for statistical analysis.
   2    Copyright (C) 2017, 2018, 2020 Free Software Foundation, Inc.
   3
   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.
   8
   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.
  13
  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/>. */
  16
  17 #include <config.h>
  18
  19 #include "output/spv/spv-table-look.h"
  20
  21 #include <errno.h>
  22 #include <libxml/xmlreader.h>
  23 #include <string.h>
  24
  25 #include "output/spv/structure-xml-parser.h"
  26
  27 #include "gl/read-file.h"
  28 #include "gl/xalloc.h"
  29
  30 static struct cell_color
  31 optional_color (int color, struct cell_color default_color)
  32 {
  33   return (color >= 0
  34           ? (struct cell_color) CELL_COLOR (color >> 16, color >> 8, color)
  35           : default_color);
  36 }
  37
  38 static int
  39 optional_length (const char *s, int default_length)
  40 {
  41   /* There is usually a "pt" suffix.  We ignore it. */
  42   int length;
  43   return s && sscanf (s, "%d", &length) == 1 ? length : default_length;
  44 }
  45
  46 static int
  47 optional_px (double inches, int default_px)
  48 {
  49   return inches != DBL_MAX ? inches * 96.0 : default_px;
  50 }
  51
  52 static int
  53 optional_int (int x, int default_value)
  54 {
  55   return x != INT_MIN ? x : default_value;
  56 }
  57
  58 static int
  59 optional_pt (double inches, int default_pt)
  60 {
  61   return inches != DBL_MAX ? inches * 72.0 + .5 : default_pt;
  62 }
  63
  64 static enum pivot_area
  65 pivot_area_from_name (const char *name)
  66 {
  67   static const char *area_names[PIVOT_N_AREAS] = {
  68     [PIVOT_AREA_TITLE] = "title",
  69     [PIVOT_AREA_CAPTION] = "caption",
  70     [PIVOT_AREA_FOOTER] = "footnotes",
  71     [PIVOT_AREA_CORNER] = "cornerLabels",
  72     [PIVOT_AREA_COLUMN_LABELS] = "columnLabels",
  73     [PIVOT_AREA_ROW_LABELS] = "rowLabels",
  74     [PIVOT_AREA_DATA] = "data",
  75     [PIVOT_AREA_LAYERS] = "layers",
  76   };
  77
  78   enum pivot_area area;
  79   for (area = 0; area < PIVOT_N_AREAS; area++)
  80     if (!strcmp (name, area_names[area]))
  81       break;
  82   return area;
  83 }
  84
  85 static enum pivot_border
  86 pivot_border_from_name (const char *name)
  87 {
  88   static const char *border_names[PIVOT_N_BORDERS] = {
  89     [PIVOT_BORDER_TITLE] = "titleLayerSeparator",
  90     [PIVOT_BORDER_OUTER_LEFT] = "leftOuterFrame",
  91     [PIVOT_BORDER_OUTER_TOP] = "topOuterFrame",
  92     [PIVOT_BORDER_OUTER_RIGHT] = "rightOuterFrame",
  93     [PIVOT_BORDER_OUTER_BOTTOM] = "bottomOuterFrame",
  94     [PIVOT_BORDER_INNER_LEFT] = "leftInnerFrame",
  95     [PIVOT_BORDER_INNER_TOP] = "topInnerFrame",
  96     [PIVOT_BORDER_INNER_RIGHT] = "rightInnerFrame",
  97     [PIVOT_BORDER_INNER_BOTTOM] = "bottomInnerFrame",
  98     [PIVOT_BORDER_DATA_LEFT] = "dataAreaLeft",
  99     [PIVOT_BORDER_DATA_TOP] = "dataAreaTop",
 100     [PIVOT_BORDER_DIM_ROW_HORZ] = "horizontalDimensionBorderRows",
 101     [PIVOT_BORDER_DIM_ROW_VERT] = "verticalDimensionBorderRows",
 102     [PIVOT_BORDER_DIM_COL_HORZ] = "horizontalDimensionBorderColumns",
 103     [PIVOT_BORDER_DIM_COL_VERT] = "verticalDimensionBorderColumns",
 104     [PIVOT_BORDER_CAT_ROW_HORZ] = "horizontalCategoryBorderRows",
 105     [PIVOT_BORDER_CAT_ROW_VERT] = "verticalCategoryBorderRows",
 106     [PIVOT_BORDER_CAT_COL_HORZ] = "horizontalCategoryBorderColumns",
 107     [PIVOT_BORDER_CAT_COL_VERT] = "verticalCategoryBorderColumns",
 108   };
 109
 110   enum pivot_border border;
 111   for (border = 0; border < PIVOT_N_BORDERS; border++)
 112     if (!strcmp (name, border_names[border]))
 113       break;
 114   return border;
 115 }
 116
 117 char * WARN_UNUSED_RESULT
 118 spv_table_look_decode (const struct spvsx_table_properties *in,
 119                        struct spv_table_look **outp)
 120 {
 121   struct spv_table_look *out = xzalloc (sizeof *out);
 122   char *error = NULL;
 123
 124   const struct spvsx_general_properties *g = in->general_properties;
 125   out->omit_empty = g->hide_empty_rows != 0;
 126   out->width_ranges[TABLE_HORZ][0] = optional_pt (g->minimum_column_width, -1);
 127   out->width_ranges[TABLE_HORZ][1] = optional_pt (g->maximum_column_width, -1);
 128   out->width_ranges[TABLE_VERT][0] = optional_pt (g->minimum_row_width, -1);
 129   out->width_ranges[TABLE_VERT][1] = optional_pt (g->maximum_row_width, -1);
 130   out->row_labels_in_corner
 131     = g->row_dimension_labels != SPVSX_ROW_DIMENSION_LABELS_NESTED;
 132
 133   const struct spvsx_footnote_properties *f = in->footnote_properties;
 134   out->footnote_marker_superscripts
 135     = (f->marker_position != SPVSX_MARKER_POSITION_SUBSCRIPT);
 136   out->show_numeric_markers
 137     = (f->number_format == SPVSX_NUMBER_FORMAT_NUMERIC);
 138
 139   for (int i = 0; i < PIVOT_N_AREAS; i++)
 140     area_style_copy (NULL, &out->areas[i], pivot_area_get_default_style (i));
 141
 142   const struct spvsx_cell_format_properties *cfp = in->cell_format_properties;
 143   for (size_t i = 0; i < cfp->n_cell_style; i++)
 144     {
 145       const struct spvsx_cell_style *c = cfp->cell_style[i];
 146       const char *name = CHAR_CAST (const char *, c->node_.raw->name);
 147       enum pivot_area area = pivot_area_from_name (name);
 148       if (area == PIVOT_N_AREAS)
 149         {
 150           error = xasprintf ("unknown area \"%s\" in cellFormatProperties",
 151                              name);
 152           goto error;
 153         }
 154
 155       struct area_style *a = &out->areas[area];
 156       const struct spvsx_style *s = c->style;
 157       if (s->font_weight)
 158         a->font_style.bold = s->font_weight == SPVSX_FONT_WEIGHT_BOLD;
 159       if (s->font_style)
 160         a->font_style.italic = s->font_style == SPVSX_FONT_STYLE_ITALIC;
 161       a->font_style.underline = false;
 162       if (s->color >= 0)
 163         a->font_style.fg[0] = optional_color (
 164           s->color, (struct cell_color) CELL_COLOR_BLACK);
 165       if (c->alternating_text_color >= 0 || s->color >= 0)
 166         a->font_style.fg[1] = optional_color (c->alternating_text_color,
 167                                               a->font_style.fg[0]);
 168       if (s->color2 >= 0)
 169         a->font_style.bg[0] = optional_color (
 170           s->color2, (struct cell_color) CELL_COLOR_WHITE);
 171       if (c->alternating_color >= 0 || s->color2 >= 0)
 172         a->font_style.bg[1] = optional_color (c->alternating_color,
 173                                               a->font_style.bg[0]);
 174       if (s->font_family)
 175         {
 176           free (a->font_style.typeface);
 177           a->font_style.typeface = xstrdup (s->font_family);
 178         }
 179
 180       if (s->font_size)
 181         a->font_style.size = optional_length (s->font_size, 0);
 182
 183       if (s->text_alignment)
 184         a->cell_style.halign
 185           = (s->text_alignment == SPVSX_TEXT_ALIGNMENT_LEFT
 186              ? TABLE_HALIGN_LEFT
 187              : s->text_alignment == SPVSX_TEXT_ALIGNMENT_RIGHT
 188              ? TABLE_HALIGN_RIGHT
 189              : s->text_alignment == SPVSX_TEXT_ALIGNMENT_CENTER
 190              ? TABLE_HALIGN_CENTER
 191              : s->text_alignment == SPVSX_TEXT_ALIGNMENT_DECIMAL
 192              ? TABLE_HALIGN_DECIMAL
 193              : TABLE_HALIGN_MIXED);
 194       if (s->label_location_vertical)
 195         a->cell_style.valign
 196           = (s->label_location_vertical == SPVSX_LABEL_LOCATION_VERTICAL_NEGATIVE
 197              ? TABLE_VALIGN_BOTTOM
 198              : s->label_location_vertical == SPVSX_LABEL_LOCATION_VERTICAL_POSITIVE
 199              ? TABLE_VALIGN_TOP
 200              : TABLE_VALIGN_CENTER);
 201
 202       if (s->decimal_offset != DBL_MAX)
 203         a->cell_style.decimal_offset = optional_px (s->decimal_offset, 0);
 204
 205       if (s->margin_left != DBL_MAX)
 206         a->cell_style.margin[TABLE_HORZ][0] = optional_px (s->margin_left, 8);
 207       if (s->margin_right != DBL_MAX)
 208         a->cell_style.margin[TABLE_HORZ][1] = optional_px (s->margin_right,
 209                                                            11);
 210       if (s->margin_top != DBL_MAX)
 211         a->cell_style.margin[TABLE_VERT][0] = optional_px (s->margin_top, 1);
 212       if (s->margin_bottom != DBL_MAX)
 213         a->cell_style.margin[TABLE_VERT][1] = optional_px (s->margin_bottom,
 214                                                            1);
 215     }
 216
 217   for (int i = 0; i < PIVOT_N_BORDERS; i++)
 218     pivot_border_get_default_style (i, &out->borders[i]);
 219
 220   const struct spvsx_border_properties *bp = in->border_properties;
 221   for (size_t i = 0; i < bp->n_border_style; i++)
 222     {
 223       const struct spvsx_border_style *bin = bp->border_style[i];
 224       const char *name = CHAR_CAST (const char *, bin->node_.raw->name);
 225       enum pivot_border border = pivot_border_from_name (name);
 226       if (border == PIVOT_N_BORDERS)
 227         {
 228           error = xasprintf ("unknown border \"%s\" parsing borderProperties",
 229                              name);
 230           goto error;
 231         }
 232
 233       struct table_border_style *bout = &out->borders[border];
 234       bout->stroke
 235         = (bin->border_style_type == SPVSX_BORDER_STYLE_TYPE_NONE
 236            ? TABLE_STROKE_NONE
 237            : bin->border_style_type == SPVSX_BORDER_STYLE_TYPE_DASHED
 238            ? TABLE_STROKE_DASHED
 239            : bin->border_style_type == SPVSX_BORDER_STYLE_TYPE_THICK
 240            ? TABLE_STROKE_THICK
 241            : bin->border_style_type == SPVSX_BORDER_STYLE_TYPE_THIN
 242            ? TABLE_STROKE_THIN
 243            : bin->border_style_type == SPVSX_BORDER_STYLE_TYPE_DOUBLE
 244            ? TABLE_STROKE_DOUBLE
 245            : TABLE_STROKE_SOLID);
 246       bout->color = optional_color (bin->color,
 247                                     (struct cell_color) CELL_COLOR_BLACK);
 248     }
 249
 250   const struct spvsx_printing_properties *pp = in->printing_properties;
 251   out->print_all_layers = pp->print_all_layers > 0;
 252   out->paginate_layers = pp->print_each_layer_on_separate_page > 0;
 253   out->shrink_to_width = pp->rescale_wide_table_to_fit_page > 0;
 254   out->shrink_to_length = pp->rescale_long_table_to_fit_page > 0;
 255   out->top_continuation = pp->continuation_text_at_top > 0;
 256   out->bottom_continuation = pp->continuation_text_at_bottom > 0;
 257   out->continuation = xstrdup (pp->continuation_text
 258                                ? pp->continuation_text : "(cont.)");
 259   out->n_orphan_lines = optional_int (pp->window_orphan_lines, 2);
 260
 261   *outp = out;
 262   return NULL;
 263
 264 error:
 265   spv_table_look_destroy (out);
 266   *outp = NULL;
 267   return error;
 268 }
 269
 270 char * WARN_UNUSED_RESULT
 271 spv_table_look_read (const char *filename, struct spv_table_look **outp)
 272 {
 273   *outp = NULL;
 274
 275   size_t length;
 276   char *file = read_file (filename, 0, &length);
 277   if (!file)
 278     return xasprintf ("%s: failed to read file (%s)",
 279                       filename, strerror (errno));
 280
 281   xmlDoc *doc = xmlReadMemory (file, length, NULL, NULL, XML_PARSE_NOBLANKS);
 282   free (file);
 283   if (!doc)
 284     return xasprintf ("%s: failed to parse XML", filename);
 285
 286   struct spvxml_context ctx = SPVXML_CONTEXT_INIT (ctx);
 287   struct spvsx_table_properties *tp;
 288   spvsx_parse_table_properties (&ctx, xmlDocGetRootElement (doc), &tp);
 289   char *error = spvxml_context_finish (&ctx, &tp->node_);
 290
 291   if (!error)
 292     error = spv_table_look_decode (tp, outp);
 293
 294   spvsx_free_table_properties (tp);
 295   xmlFreeDoc (doc);
 296
 297   return error;
 298 }
 299
 300 void
 301 spv_table_look_destroy (struct spv_table_look *look)
 302 {
 303   if (look)
 304     {
 305       for (size_t i = 0; i < PIVOT_N_AREAS; i++)
 306         area_style_uninit (&look->areas[i]);
 307       free (look->continuation);
 308       free (look);
 309     }
 310 }
 311
 312 void
 313 spv_table_look_install (const struct spv_table_look *look,
 314                         struct pivot_table *table)
 315 {
 316   table->omit_empty = look->omit_empty;
 317
 318   for (enum table_axis axis = 0; axis < TABLE_N_AXES; axis++)
 319     for (int i = 0; i < 2; i++)
 320       if (look->width_ranges[axis][i] > 0)
 321         table->sizing[axis].range[i] = look->width_ranges[axis][i];
 322   table->row_labels_in_corner = look->row_labels_in_corner;
 323
 324   table->footnote_marker_superscripts = look->footnote_marker_superscripts;
 325   table->show_numeric_markers = look->show_numeric_markers;
 326
 327   for (size_t i = 0; i < PIVOT_N_AREAS; i++)
 328     {
 329       area_style_uninit (&table->areas[i]);
 330       area_style_copy (NULL, &table->areas[i], &look->areas[i]);
 331     }
 332   for (size_t i = 0; i < PIVOT_N_BORDERS; i++)
 333     table->borders[i] = look->borders[i];
 334
 335   table->print_all_layers = look->print_all_layers;
 336   table->paginate_layers = look->paginate_layers;
 337   table->shrink_to_fit[TABLE_HORZ] = look->shrink_to_width;
 338   table->shrink_to_fit[TABLE_VERT] = look->shrink_to_length;
 339   table->top_continuation = look->top_continuation;
 340   table->bottom_continuation = look->bottom_continuation;
 341   table->continuation = xstrdup (look->continuation);
 342   table->n_orphan_lines = look->n_orphan_lines;
 343 }