lib/psiconv/generate_common.c

/*
    generate_common.c - Part of psiconv, a PSION 5 file formats converter
    Copyright (c) 2000  Frodo Looijaard <frodol@dds.nl>

    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
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "config.h"
#include "compat.h"
#include <stdlib.h>
#include <string.h>

#include "generate_routines.h"
#include "error.h"

#ifdef DMALLOC
#include <dmalloc.h>
#endif

static int psiconv_write_layout_section(psiconv_buffer buf,
                           const psiconv_text_and_layout value,
                           const psiconv_word_styles_section styles,
                           int with_styles);

/* Maybe use a psiconv_header_section variable instead? */
int psiconv_write_header_section(psiconv_buffer buf,psiconv_u32 uid1,
                                 psiconv_u32 uid2, psiconv_u32 uid3)
{
  int res;
  if ((res = psiconv_write_u32(buf,uid1)))
    return res;
  if ((res = psiconv_write_u32(buf,uid2)))
    return res;
  if ((res = psiconv_write_u32(buf,uid3)))
    return res;
  return psiconv_write_u32(buf,psiconv_checkuid(uid1,uid2,uid3));
}

int psiconv_write_section_table_section(psiconv_buffer buf, 
                                    const psiconv_section_table_section value)
{
  int res,i;
  psiconv_section_table_entry entry;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null section table section");
    return -PSICONV_E_GENERATE;
  }

  if ((res = psiconv_write_u8(buf,2 * psiconv_list_length(value))))
    return res;
  for (i = 0; i < psiconv_list_length(value); i++) {
    if (!(entry = psiconv_list_get(value,i))) {
      psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
      return -PSICONV_E_NOMEM;
    }
    if ((res = psiconv_write_u32(buf,entry->id)))
      return res;
    if ((res = psiconv_write_offset(buf,entry->offset)))
      return res;
  }
  return -PSICONV_E_OK;
}

int psiconv_write_application_id_section(psiconv_buffer buf,psiconv_u32 id,
                                        const psiconv_string_t text)
{
  int res;
  if ((res = psiconv_write_u32(buf,id)))
    return res;
  return psiconv_write_string(buf,text);
}

int psiconv_write_text_section(psiconv_buffer buf,
                           const psiconv_text_and_layout value)
{
  int res;
  psiconv_buffer extra_buf;
  int i,j;
  psiconv_paragraph paragraph;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null text section");
    return -PSICONV_E_GENERATE;
  }

  if (psiconv_list_length(value)) {
    if (!(extra_buf = psiconv_buffer_new())) 
      return -PSICONV_E_NOMEM;
    for (i = 0; i < psiconv_list_length(value); i++) {
      if (!(paragraph = psiconv_list_get(value,i))) {
        psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
        res = -PSICONV_E_OTHER;
        goto ERROR;
      }
      for (j = 0; j < strlen(paragraph->text); j++) 
        if ((res = psiconv_write_u8(extra_buf,paragraph->text[j])))
          goto ERROR;
      psiconv_write_u8(extra_buf,0x06);
    }
    if ((res = psiconv_write_X(buf,psiconv_buffer_length(extra_buf))))
      goto ERROR;
    res = psiconv_buffer_concat(buf,extra_buf);
  } else 
    /* Hack: empty text sections are just not allowed */
    return psiconv_write_u16(buf,0x0602);

ERROR:  
  psiconv_buffer_free(extra_buf);
  return res;
}

int psiconv_write_layout_section(psiconv_buffer buf,
                           const psiconv_text_and_layout value,
                           const psiconv_word_styles_section styles,
                           int with_styles)
{
  typedef struct psiconv_paragraph_type_list_s
  {
    psiconv_character_layout character;
    psiconv_paragraph_layout paragraph;
    psiconv_u8 style;
    psiconv_u8 nr;
  } *psiconv_paragraph_type_list;
  psiconv_u32 obj_id;
  psiconv_list paragraph_type_list; /* Of psiconv_paragraph_type_list_s */
  psiconv_paragraph_type_list paragraph_type;
  struct psiconv_paragraph_type_list_s new_type;
  psiconv_buffer buf_types,buf_elements,buf_inlines,buf_objects;
  psiconv_paragraph paragraph;
  psiconv_in_line_layout in_line = NULL;
  psiconv_word_style style;
  psiconv_character_layout para_charlayout;
  int i,j,para_type,nr_of_inlines=0,res,ptl_length,pel_length,thislen,paralen;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null text section");
    return -PSICONV_E_GENERATE;
  }

  if (!(paragraph_type_list = psiconv_list_new(sizeof(new_type)))) {
    res = -PSICONV_E_NOMEM;
    goto ERROR1;
  }

  if (!(buf_types = psiconv_buffer_new())) {
    res = -PSICONV_E_NOMEM;
    goto ERROR2;
  }

  if (!(buf_elements = psiconv_buffer_new())) {
    res = -PSICONV_E_NOMEM;
    goto ERROR3;
  }

  if (!(buf_inlines = psiconv_buffer_new())) {
    res = -PSICONV_E_NOMEM;
    goto ERROR4;
  }

  if (!(buf_objects = psiconv_buffer_new())) {
    res = -PSICONV_E_NOMEM;
    goto ERROR5;
  }

  for (i = 0; i < psiconv_list_length(value); i++) {
    if (!(paragraph = psiconv_list_get(value,i))) {
      psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
      res = -PSICONV_E_OTHER;
      goto ERROR6;
    }
    if ((res = psiconv_write_u32(buf_elements,strlen(paragraph->text)+1)))
      goto ERROR6;

    /* We need it for the next if-statement */
    if (psiconv_list_length(paragraph->in_lines) == 1) 
      if (!(in_line = psiconv_list_get(paragraph->in_lines,1)))
        goto ERROR6;

    if ((psiconv_list_length(paragraph->in_lines) > 1) ||
        ((psiconv_list_length(paragraph->in_lines) == 1) &&
         (in_line->object != NULL))) {
      /* Inline layouts, or an object, so we generate a paragraph element
         and inline elements */
      if ((res = psiconv_write_u8(buf_elements,0x00)))
        goto ERROR6;
      if (!(style = psiconv_get_style(styles,paragraph->base_style))) {
        psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style");
        res = -PSICONV_E_GENERATE;
        goto ERROR6;
      }
      if ((res = psiconv_write_paragraph_layout_list(buf_elements,
                                                     paragraph->base_paragraph,
                                                     style->paragraph)))
        goto ERROR6;
      if (with_styles)
        if ((res = psiconv_write_u8(buf_elements,paragraph->base_style)))
          goto ERROR6;
      if ((res = psiconv_write_u32(buf_elements,
                                   psiconv_list_length(paragraph->in_lines))))
         goto ERROR6;

      /* Generate the inlines. NB: Against what are all settings relative?!? */
      paralen = 0;
      for (j = 0; j < psiconv_list_length(paragraph->in_lines); j++) {
        nr_of_inlines ++;
        if (!(in_line = psiconv_list_get(paragraph->in_lines,j))) {
          psiconv_warn(0,psiconv_buffer_length(buf),
                       "Massive memory corruption");
          res = -PSICONV_E_OTHER;
          goto ERROR6;
        }
        if ((res = psiconv_write_u8(buf_inlines,in_line->object?0x01:0x00)))
          goto ERROR6;
        thislen = in_line->length;
        paralen += thislen;
        /* If this is the last in_line, we need to make sure that the
           complete length of all inlines equals the text length */
        if (j == psiconv_list_length(paragraph->in_lines)-1) {
          if (paralen > strlen(paragraph->text)+1) {
            res = -PSICONV_E_GENERATE;
            goto ERROR6;
          }
          thislen += strlen(paragraph->text)+1-paralen;
        }
        if ((res = psiconv_write_u32(buf_inlines,thislen)))
          goto ERROR6;
        if ((res = psiconv_write_character_layout_list(buf_inlines,
                                                     in_line->layout,
                                                     style->character)))
          goto ERROR6;
        if (in_line->object) {
          if ((res = psiconv_write_u32(buf_inlines,PSICONV_ID_OBJECT)))
            goto ERROR6;
          obj_id = psiconv_buffer_unique_id();
          if ((res = psiconv_buffer_add_reference(buf_inlines,obj_id)))
            goto ERROR6;
          if ((res = psiconv_buffer_add_target(buf_objects,obj_id)))
            goto ERROR6;
          if ((res = psiconv_write_embedded_object_section(buf_objects,
                                                   in_line->object)))
            goto ERROR6;
          if ((res = psiconv_write_length(buf_inlines,in_line->object_width)))
            goto ERROR6;
          if ((res = psiconv_write_length(buf_inlines,in_line->object_height)))
            goto ERROR6;
        }
      } 
    } else {
      /* No inline layouts (or only 1), so we generate a paragraph type list */
      para_type = 0;
      /* Set para_charlayout to the correct character-level layout */
      if (psiconv_list_length(paragraph->in_lines) == 0)
        para_charlayout = paragraph->base_character;
      else {
        if (!(in_line = psiconv_list_get(paragraph->in_lines,0))) {
          psiconv_warn(0,psiconv_buffer_length(buf),
                       "Massive memory corruption");
          res = -PSICONV_E_OTHER;
          goto ERROR6;
        } 
        para_charlayout = in_line->layout;
      }
      for (j = 0; j < psiconv_list_length(paragraph_type_list); j++) {
        if (!(paragraph_type = psiconv_list_get(paragraph_type_list,j))) {
          psiconv_warn(0,psiconv_buffer_length(buf),
                       "Massive memory corruption");
          res = -PSICONV_E_OTHER;
          goto ERROR6;
        }
        if ((paragraph->base_style == paragraph_type->style) &&
            !psiconv_compare_character_layout(para_charlayout,
                                              paragraph_type->character) &&
            !psiconv_compare_paragraph_layout(paragraph->base_paragraph,
                                              paragraph_type->paragraph)) {
          para_type = paragraph_type->nr;
          break;
        }
      }
      if (!para_type) {
        /* We need to add a new entry */
        para_type = new_type.nr = j+1;
        /* No need to copy them, we won't change them anyway */
        new_type.paragraph = paragraph->base_paragraph;
        new_type.character = para_charlayout;
        new_type.style = paragraph->base_style;
        paragraph_type = &new_type;
        if ((res = psiconv_list_add(paragraph_type_list,paragraph_type)))
          goto ERROR6;
        if ((res = psiconv_write_u32(buf_types,paragraph_type->nr))) 
          goto ERROR6;
        if (!(style = psiconv_get_style(styles,paragraph_type->style))) {
          psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style");
          res = -PSICONV_E_GENERATE;
          goto ERROR6;
        }
        if ((res = psiconv_write_paragraph_layout_list(buf_types,
                                paragraph_type->paragraph,style->paragraph)))
          goto ERROR6;
        if (with_styles)
          if ((res = psiconv_write_u8(buf_types,paragraph_type->style)))
            goto ERROR6;
        if ((res = psiconv_write_character_layout_list(buf_types,
                                paragraph_type->character,style->character)))
          goto ERROR6;
      }
      if ((res = psiconv_write_u8(buf_elements,para_type)))
        goto ERROR6;
    }
  }

  /* HACK: special case: no paragraphs at all. We need to improvize. */
  if (!psiconv_list_length(value)) {
    if ((res = psiconv_write_u32(buf_types,1)))
      goto ERROR6;
    if ((res = psiconv_write_u32(buf_types,0)))
      goto ERROR6;
    if (with_styles)
      if ((res = psiconv_write_u8(buf_types,0)))
        goto ERROR6;
    if ((res = psiconv_write_u32(buf_types,0)))
      goto ERROR6;

    if ((res = psiconv_write_u32(buf_elements,1)))
      goto ERROR6;
    if ((res = psiconv_write_u8(buf_elements,1)))
      goto ERROR6;
    pel_length = 1;
    ptl_length = 1;
  } else  {
    pel_length = psiconv_list_length(value);
    ptl_length = psiconv_list_length(paragraph_type_list);
  }

  /* Now append everything */
  if ((res = psiconv_write_u16(buf,with_styles?0x0001:0x0000)))
    goto ERROR6;
  if ((res = psiconv_write_u8(buf, ptl_length)))
    goto ERROR6;
  if ((res = psiconv_buffer_concat(buf,buf_types)))
    goto ERROR6;
  if ((res = psiconv_write_u32(buf,pel_length)))
    goto ERROR6;
  if ((res = psiconv_buffer_concat(buf,buf_elements)))
    goto ERROR6;
  if ((res = psiconv_write_u32(buf,nr_of_inlines)))
    goto ERROR6;
  if ((res = psiconv_buffer_concat(buf,buf_inlines)))
    goto ERROR6;
  if ((res = psiconv_buffer_concat(buf,buf_objects)))
    goto ERROR6;

ERROR6:
  psiconv_buffer_free(buf_objects);
ERROR5:
  psiconv_buffer_free(buf_inlines);
ERROR4:
  psiconv_buffer_free(buf_elements);
ERROR3:
  psiconv_buffer_free(buf_types);
ERROR2:
  psiconv_list_free(paragraph_type_list);
ERROR1:
  return res;
}

int psiconv_write_styled_layout_section(psiconv_buffer buf,
                                    psiconv_text_and_layout result,
                                    psiconv_word_styles_section styles)
{
  return psiconv_write_layout_section(buf,result,styles,1);
}

int psiconv_write_styleless_layout_section(psiconv_buffer buf,
                                       const psiconv_text_and_layout value,
                                       const psiconv_character_layout base_char,
                                       const psiconv_paragraph_layout base_para)
{
  int res = 0;
  psiconv_word_styles_section styles_section;

  if (!(styles_section = malloc(sizeof(*styles_section))))
    goto ERROR1;
  if (!(styles_section->normal = malloc(sizeof(*styles_section->normal))))
    goto ERROR2;
  if (!(styles_section->normal->character =
                            psiconv_clone_character_layout(base_char)))
    goto ERROR3;
  if (!(styles_section->normal->paragraph =
                            psiconv_clone_paragraph_layout(base_para)))
    goto ERROR4;
  styles_section->normal->hotkey = 0;
  if (!(styles_section->normal->name = strdup("")))
    goto ERROR5;
  if (!(styles_section->styles = psiconv_list_new(sizeof(
                                        struct psiconv_word_style_s))))
    goto ERROR6;

  res = psiconv_write_layout_section(buf,value,styles_section,0);
  psiconv_free_word_styles_section(styles_section);
  return res;

ERROR6:
  free(styles_section->normal->name);
ERROR5:
  psiconv_free_paragraph_layout(styles_section->normal->paragraph);
ERROR4:
  psiconv_free_character_layout(styles_section->normal->character);
ERROR3:
  free(styles_section->normal);
ERROR2:
  free(styles_section);
ERROR1:
  if (!res)
    return -PSICONV_E_NOMEM;
  else
    return res;
}


int psiconv_write_embedded_object_section(psiconv_buffer buf,
                                  const psiconv_embedded_object_section value)
{
  int res;
  psiconv_u32 display_id,icon_id,table_id;
  psiconv_buffer extra_buf;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null Object");
    res = -PSICONV_E_GENERATE;
    goto ERROR1;
  }

  if (!(extra_buf = psiconv_buffer_new())) {
    res = -PSICONV_E_NOMEM;
    goto ERROR1;
  }

  display_id = psiconv_buffer_unique_id();
  icon_id = psiconv_buffer_unique_id();
  table_id = psiconv_buffer_unique_id();
  if ((res = psiconv_write_u8(buf,0x06)))
    goto ERROR2;
  if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_DISPLAY_SECTION)))
    goto ERROR2;
  if ((res = psiconv_buffer_add_reference(buf,display_id)))
    goto ERROR2;
  if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_ICON_SECTION)))
    goto ERROR2;
  if ((res = psiconv_buffer_add_reference(buf,icon_id)))
    goto ERROR2;
  if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_SECTION_TABLE_SECTION)))
    goto ERROR2;
  if ((res = psiconv_buffer_add_reference(buf,table_id)))
    goto ERROR2;

  if ((res = psiconv_buffer_add_target(buf,display_id)))
    goto ERROR2;
  if ((res = psiconv_write_object_display_section(buf,value->display)))
    goto ERROR2;
  if ((res = psiconv_buffer_add_target(buf,icon_id)))
    goto ERROR2;
  if ((res = psiconv_write_object_icon_section(buf,value->icon)))
    goto ERROR2;
  if ((res = psiconv_buffer_add_target(buf,table_id)))
    goto ERROR2;
  switch(value->object->type) {
    case psiconv_word_file:
      if ((res = psiconv_write_word_file(extra_buf,
                                      (psiconv_word_f) value->object->file)))
        goto ERROR2;
      break;
/*
    case psiconv_sketch_file:
      if ((res = psiconv_write_sketch_file(extra_buf,
                                      (psiconv_sketch_f) value->object->file)))
        goto ERROR2;
      break;
    case psiconv_sheet_file:
      if ((res = psiconv_write_sheet_file(extra_buf,
                                      (psiconv_sheet_f) value->object->file)))
        goto ERROR2;
      break;
*/
    default:
      psiconv_warn(0,psiconv_buffer_length(buf),
                   "Unknown or unsupported object type");
      res = -PSICONV_E_GENERATE;
      goto ERROR2;
  }
  
  if ((res = psiconv_buffer_resolve(extra_buf)))
    goto ERROR2;
  if ((res = psiconv_buffer_concat(buf,extra_buf)))
    goto ERROR2;

  return 0;

ERROR2:
  psiconv_buffer_free(extra_buf);
ERROR1:
  return res;
}


int psiconv_write_object_display_section(psiconv_buffer buf,
                                  const psiconv_object_display_section value)
{
  int res;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null Object Display Section");
    res = -PSICONV_E_GENERATE;
    goto ERROR1;
  }

  if ((res = psiconv_write_u8(buf,value->show_icon?0x00:0x01)))
    goto ERROR1;
  if ((res = psiconv_write_length(buf,value->width)))
    goto ERROR1;
  if ((res = psiconv_write_length(buf,value->height)))
    goto ERROR1;
  if ((res = psiconv_write_u32(buf,0x00000000)))
    goto ERROR1;

  return 0;

ERROR1:
  return res;
}

int psiconv_write_object_icon_section(psiconv_buffer buf,
                                  const psiconv_object_icon_section value)
{
  int res;

  if (!value) {
    psiconv_warn(0,psiconv_buffer_length(buf),"Null Object Icon Section");
    res = -PSICONV_E_GENERATE;
    goto ERROR1;
  }

  if ((res = psiconv_write_string(buf,value->icon_name)))
    goto ERROR1;
  if ((res = psiconv_write_length(buf,value->icon_width)))
    goto ERROR1;
  if ((res = psiconv_write_length(buf,value->icon_height)))
    goto ERROR1;

  return 0;

ERROR1:
  return res;
}
1	frodo	73	/*
2			generate_common.c - Part of psiconv, a PSION 5 file formats converter
3			Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl>
4
5			This program is free software; you can redistribute it and/or modify
6			it under the terms of the GNU General Public License as published by
7			the Free Software Foundation; either version 2 of the License, or
8			(at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			GNU General Public License for more details.
14
15			You should have received a copy of the GNU General Public License
16			along with this program; if not, write to the Free Software
17			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18			*/
19
20			#include "config.h"
21			#include "compat.h"
22			#include <stdlib.h>
23			#include <string.h>
24
25			#include "generate_routines.h"
26			#include "error.h"
27
28	frodo	142	#ifdef DMALLOC
29			#include <dmalloc.h>
30			#endif
31
32	frodo	79	static int psiconv_write_layout_section(psiconv_buffer buf,
33			const psiconv_text_and_layout value,
34			const psiconv_word_styles_section styles,
35			int with_styles);
36	frodo	73
37			/* Maybe use a psiconv_header_section variable instead? */
38			int psiconv_write_header_section(psiconv_buffer buf,psiconv_u32 uid1,
39			psiconv_u32 uid2, psiconv_u32 uid3)
40			{
41			int res;
42			if ((res = psiconv_write_u32(buf,uid1)))
43			return res;
44			if ((res = psiconv_write_u32(buf,uid2)))
45			return res;
46			if ((res = psiconv_write_u32(buf,uid3)))
47			return res;
48			return psiconv_write_u32(buf,psiconv_checkuid(uid1,uid2,uid3));
49			}
50
51			int psiconv_write_section_table_section(psiconv_buffer buf,
52			const psiconv_section_table_section value)
53			{
54			int res,i;
55			psiconv_section_table_entry entry;
56
57			if (!value) {
58	frodo	79	psiconv_warn(0,psiconv_buffer_length(buf),"Null section table section");
59	frodo	73	return -PSICONV_E_GENERATE;
60			}
61
62	frodo	76	if ((res = psiconv_write_u8(buf,2 * psiconv_list_length(value))))
63			return res;
64	frodo	73	for (i = 0; i < psiconv_list_length(value); i++) {
65			if (!(entry = psiconv_list_get(value,i))) {
66	frodo	79	psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
67	frodo	76	return -PSICONV_E_NOMEM;
68	frodo	73	}
69			if ((res = psiconv_write_u32(buf,entry->id)))
70	frodo	76	return res;
71	frodo	80	if ((res = psiconv_write_offset(buf,entry->offset)))
72	frodo	76	return res;
73	frodo	73	}
74	frodo	76	return -PSICONV_E_OK;
75	frodo	73	}
76
77			int psiconv_write_application_id_section(psiconv_buffer buf,psiconv_u32 id,
78			const psiconv_string_t text)
79			{
80			int res;
81			if ((res = psiconv_write_u32(buf,id)))
82			return res;
83			return psiconv_write_string(buf,text);
84			}
85
86			int psiconv_write_text_section(psiconv_buffer buf,
87			const psiconv_text_and_layout value)
88			{
89			int res;
90			psiconv_buffer extra_buf;
91			int i,j;
92			psiconv_paragraph paragraph;
93
94			if (!value) {
95	frodo	79	psiconv_warn(0,psiconv_buffer_length(buf),"Null text section");
96	frodo	73	return -PSICONV_E_GENERATE;
97			}
98
99	frodo	88	if (psiconv_list_length(value)) {
100			if (!(extra_buf = psiconv_buffer_new()))
101			return -PSICONV_E_NOMEM;
102			for (i = 0; i < psiconv_list_length(value); i++) {
103			if (!(paragraph = psiconv_list_get(value,i))) {
104			psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
105			res = -PSICONV_E_OTHER;
106			goto ERROR;
107			}
108			for (j = 0; j < strlen(paragraph->text); j++)
109			if ((res = psiconv_write_u8(extra_buf,paragraph->text[j])))
110			goto ERROR;
111			psiconv_write_u8(extra_buf,0x06);
112			}
113			if ((res = psiconv_write_X(buf,psiconv_buffer_length(extra_buf))))
114	frodo	73	goto ERROR;
115	frodo	88	res = psiconv_buffer_concat(buf,extra_buf);
116			} else
117			/* Hack: empty text sections are just not allowed */
118			return psiconv_write_u16(buf,0x0602);
119	frodo	73
120			ERROR:
121	frodo	79	psiconv_buffer_free(extra_buf);
122	frodo	75	return res;
123	frodo	73	}
124	frodo	79
125			int psiconv_write_layout_section(psiconv_buffer buf,
126			const psiconv_text_and_layout value,
127			const psiconv_word_styles_section styles,
128			int with_styles)
129			{
130			typedef struct psiconv_paragraph_type_list_s
131			{
132			psiconv_character_layout character;
133			psiconv_paragraph_layout paragraph;
134			psiconv_u8 style;
135			psiconv_u8 nr;
136			} *psiconv_paragraph_type_list;
137	frodo	167	psiconv_u32 obj_id;
138	frodo	79	psiconv_list paragraph_type_list; /* Of psiconv_paragraph_type_list_s */
139			psiconv_paragraph_type_list paragraph_type;
140			struct psiconv_paragraph_type_list_s new_type;
141	frodo	167	psiconv_buffer buf_types,buf_elements,buf_inlines,buf_objects;
142	frodo	79	psiconv_paragraph paragraph;
143	frodo	167	psiconv_in_line_layout in_line = NULL;
144	frodo	79	psiconv_word_style style;
145	frodo	89	psiconv_character_layout para_charlayout;
146			int i,j,para_type,nr_of_inlines=0,res,ptl_length,pel_length,thislen,paralen;
147	frodo	79
148			if (!value) {
149			psiconv_warn(0,psiconv_buffer_length(buf),"Null text section");
150			return -PSICONV_E_GENERATE;
151			}
152
153			if (!(paragraph_type_list = psiconv_list_new(sizeof(new_type)))) {
154			res = -PSICONV_E_NOMEM;
155			goto ERROR1;
156			}
157
158	frodo	80	if (!(buf_types = psiconv_buffer_new())) {
159	frodo	79	res = -PSICONV_E_NOMEM;
160			goto ERROR2;
161			}
162
163	frodo	80	if (!(buf_elements = psiconv_buffer_new())) {
164	frodo	79	res = -PSICONV_E_NOMEM;
165			goto ERROR3;
166			}
167
168	frodo	80	if (!(buf_inlines = psiconv_buffer_new())) {
169	frodo	79	res = -PSICONV_E_NOMEM;
170			goto ERROR4;
171			}
172
173	frodo	167	if (!(buf_objects = psiconv_buffer_new())) {
174			res = -PSICONV_E_NOMEM;
175			goto ERROR5;
176			}
177
178	frodo	79	for (i = 0; i < psiconv_list_length(value); i++) {
179			if (!(paragraph = psiconv_list_get(value,i))) {
180			psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption");
181			res = -PSICONV_E_OTHER;
182	frodo	167	goto ERROR6;
183	frodo	79	}
184			if ((res = psiconv_write_u32(buf_elements,strlen(paragraph->text)+1)))
185	frodo	167	goto ERROR6;
186	frodo	79
187	frodo	167	/* We need it for the next if-statement */
188			if (psiconv_list_length(paragraph->in_lines) == 1)
189			if (!(in_line = psiconv_list_get(paragraph->in_lines,1)))
190			goto ERROR6;
191
192			if ((psiconv_list_length(paragraph->in_lines) > 1) \|\|
193			((psiconv_list_length(paragraph->in_lines) == 1) &&
194			(in_line->object != NULL))) {
195			/* Inline layouts, or an object, so we generate a paragraph element
196			and inline elements */
197	frodo	80	if ((res = psiconv_write_u8(buf_elements,0x00)))
198	frodo	167	goto ERROR6;
199	frodo	79	if (!(style = psiconv_get_style(styles,paragraph->base_style))) {
200			psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style");
201			res = -PSICONV_E_GENERATE;
202	frodo	167	goto ERROR6;
203	frodo	79	}
204			if ((res = psiconv_write_paragraph_layout_list(buf_elements,
205			paragraph->base_paragraph,
206			style->paragraph)))
207	frodo	167	goto ERROR6;
208	frodo	79	if (with_styles)
209			if ((res = psiconv_write_u8(buf_elements,paragraph->base_style)))
210	frodo	167	goto ERROR6;
211	frodo	79	if ((res = psiconv_write_u32(buf_elements,
212			psiconv_list_length(paragraph->in_lines))))
213	frodo	167	goto ERROR6;
214	frodo	79
215			/* Generate the inlines. NB: Against what are all settings relative?!? */
216	frodo	89	paralen = 0;
217	frodo	79	for (j = 0; j < psiconv_list_length(paragraph->in_lines); j++) {
218			nr_of_inlines ++;
219			if (!(in_line = psiconv_list_get(paragraph->in_lines,j))) {
220	frodo	89	psiconv_warn(0,psiconv_buffer_length(buf),
221			"Massive memory corruption");
222	frodo	79	res = -PSICONV_E_OTHER;
223	frodo	167	goto ERROR6;
224	frodo	79	}
225	frodo	167	if ((res = psiconv_write_u8(buf_inlines,in_line->object?0x01:0x00)))
226			goto ERROR6;
227	frodo	89	thislen = in_line->length;
228			paralen += thislen;
229			/* If this is the last in_line, we need to make sure that the
230			complete length of all inlines equals the text length */
231			if (j == psiconv_list_length(paragraph->in_lines)-1) {
232			if (paralen > strlen(paragraph->text)+1) {
233			res = -PSICONV_E_GENERATE;
234	frodo	167	goto ERROR6;
235	frodo	89	}
236			thislen += strlen(paragraph->text)+1-paralen;
237			}
238			if ((res = psiconv_write_u32(buf_inlines,thislen)))
239	frodo	167	goto ERROR6;
240	frodo	80	if ((res = psiconv_write_character_layout_list(buf_inlines,
241	frodo	79	in_line->layout,
242			style->character)))
243	frodo	167	goto ERROR6;
244			if (in_line->object) {
245			if ((res = psiconv_write_u32(buf_inlines,PSICONV_ID_OBJECT)))
246			goto ERROR6;
247			obj_id = psiconv_buffer_unique_id();
248			if ((res = psiconv_buffer_add_reference(buf_inlines,obj_id)))
249			goto ERROR6;
250			if ((res = psiconv_buffer_add_target(buf_objects,obj_id)))
251			goto ERROR6;
252			if ((res = psiconv_write_embedded_object_section(buf_objects,
253			in_line->object)))
254			goto ERROR6;
255			if ((res = psiconv_write_length(buf_inlines,in_line->object_width)))
256			goto ERROR6;
257			if ((res = psiconv_write_length(buf_inlines,in_line->object_height)))
258			goto ERROR6;
259			}
260	frodo	79	}
261			} else {
262	frodo	89	/* No inline layouts (or only 1), so we generate a paragraph type list */
263	frodo	79	para_type = 0;
264	frodo	89	/* Set para_charlayout to the correct character-level layout */
265			if (psiconv_list_length(paragraph->in_lines) == 0)
266			para_charlayout = paragraph->base_character;
267			else {
268			if (!(in_line = psiconv_list_get(paragraph->in_lines,0))) {
269			psiconv_warn(0,psiconv_buffer_length(buf),
270			"Massive memory corruption");
271			res = -PSICONV_E_OTHER;
272	frodo	167	goto ERROR6;
273	frodo	89	}
274			para_charlayout = in_line->layout;
275			}
276	frodo	79	for (j = 0; j < psiconv_list_length(paragraph_type_list); j++) {
277			if (!(paragraph_type = psiconv_list_get(paragraph_type_list,j))) {
278	frodo	89	psiconv_warn(0,psiconv_buffer_length(buf),
279			"Massive memory corruption");
280	frodo	79	res = -PSICONV_E_OTHER;
281	frodo	167	goto ERROR6;
282	frodo	79	}
283			if ((paragraph->base_style == paragraph_type->style) &&
284	frodo	89	!psiconv_compare_character_layout(para_charlayout,
285	frodo	79	paragraph_type->character) &&
286			!psiconv_compare_paragraph_layout(paragraph->base_paragraph,
287			paragraph_type->paragraph)) {
288			para_type = paragraph_type->nr;
289			break;
290			}
291			}
292			if (!para_type) {
293			/* We need to add a new entry */
294			para_type = new_type.nr = j+1;
295			/* No need to copy them, we won't change them anyway */
296			new_type.paragraph = paragraph->base_paragraph;
297	frodo	89	new_type.character = para_charlayout;
298	frodo	79	new_type.style = paragraph->base_style;
299			paragraph_type = &new_type;
300			if ((res = psiconv_list_add(paragraph_type_list,paragraph_type)))
301	frodo	167	goto ERROR6;
302	frodo	79	if ((res = psiconv_write_u32(buf_types,paragraph_type->nr)))
303	frodo	167	goto ERROR6;
304	frodo	79	if (!(style = psiconv_get_style(styles,paragraph_type->style))) {
305			psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style");
306			res = -PSICONV_E_GENERATE;
307	frodo	167	goto ERROR6;
308	frodo	79	}
309			if ((res = psiconv_write_paragraph_layout_list(buf_types,
310			paragraph_type->paragraph,style->paragraph)))
311	frodo	167	goto ERROR6;
312	frodo	79	if (with_styles)
313			if ((res = psiconv_write_u8(buf_types,paragraph_type->style)))
314	frodo	167	goto ERROR6;
315	frodo	79	if ((res = psiconv_write_character_layout_list(buf_types,
316			paragraph_type->character,style->character)))
317	frodo	167	goto ERROR6;
318	frodo	79	}
319			if ((res = psiconv_write_u8(buf_elements,para_type)))
320	frodo	167	goto ERROR6;
321	frodo	79	}
322			}
323
324	frodo	88	/* HACK: special case: no paragraphs at all. We need to improvize. */
325			if (!psiconv_list_length(value)) {
326			if ((res = psiconv_write_u32(buf_types,1)))
327	frodo	167	goto ERROR6;
328	frodo	88	if ((res = psiconv_write_u32(buf_types,0)))
329	frodo	167	goto ERROR6;
330	frodo	88	if (with_styles)
331			if ((res = psiconv_write_u8(buf_types,0)))
332	frodo	167	goto ERROR6;
333	frodo	88	if ((res = psiconv_write_u32(buf_types,0)))
334	frodo	167	goto ERROR6;
335	frodo	88
336			if ((res = psiconv_write_u32(buf_elements,1)))
337	frodo	167	goto ERROR6;
338	frodo	88	if ((res = psiconv_write_u8(buf_elements,1)))
339	frodo	167	goto ERROR6;
340	frodo	88	pel_length = 1;
341			ptl_length = 1;
342			} else {
343			pel_length = psiconv_list_length(value);
344			ptl_length = psiconv_list_length(paragraph_type_list);
345			}
346
347	frodo	79	/* Now append everything */
348	frodo	80	if ((res = psiconv_write_u16(buf,with_styles?0x0001:0x0000)))
349	frodo	167	goto ERROR6;
350	frodo	88	if ((res = psiconv_write_u8(buf, ptl_length)))
351	frodo	167	goto ERROR6;
352	frodo	79	if ((res = psiconv_buffer_concat(buf,buf_types)))
353	frodo	167	goto ERROR6;
354	frodo	88	if ((res = psiconv_write_u32(buf,pel_length)))
355	frodo	167	goto ERROR6;
356	frodo	79	if ((res = psiconv_buffer_concat(buf,buf_elements)))
357	frodo	167	goto ERROR6;
358	frodo	79	if ((res = psiconv_write_u32(buf,nr_of_inlines)))
359	frodo	167	goto ERROR6;
360			if ((res = psiconv_buffer_concat(buf,buf_inlines)))
361			goto ERROR6;
362			if ((res = psiconv_buffer_concat(buf,buf_objects)))
363			goto ERROR6;
364	frodo	79
365	frodo	167	ERROR6:
366			psiconv_buffer_free(buf_objects);
367	frodo	79	ERROR5:
368			psiconv_buffer_free(buf_inlines);
369			ERROR4:
370			psiconv_buffer_free(buf_elements);
371			ERROR3:
372			psiconv_buffer_free(buf_types);
373			ERROR2:
374			psiconv_list_free(paragraph_type_list);
375			ERROR1:
376			return res;
377			}
378
379			int psiconv_write_styled_layout_section(psiconv_buffer buf,
380			psiconv_text_and_layout result,
381			psiconv_word_styles_section styles)
382			{
383			return psiconv_write_layout_section(buf,result,styles,1);
384			}
385
386			int psiconv_write_styleless_layout_section(psiconv_buffer buf,
387			const psiconv_text_and_layout value,
388			const psiconv_character_layout base_char,
389			const psiconv_paragraph_layout base_para)
390			{
391			int res = 0;
392			psiconv_word_styles_section styles_section;
393
394			if (!(styles_section = malloc(sizeof(*styles_section))))
395			goto ERROR1;
396			if (!(styles_section->normal = malloc(sizeof(*styles_section->normal))))
397			goto ERROR2;
398			if (!(styles_section->normal->character =
399			psiconv_clone_character_layout(base_char)))
400			goto ERROR3;
401			if (!(styles_section->normal->paragraph =
402			psiconv_clone_paragraph_layout(base_para)))
403			goto ERROR4;
404			styles_section->normal->hotkey = 0;
405			if (!(styles_section->normal->name = strdup("")))
406			goto ERROR5;
407			if (!(styles_section->styles = psiconv_list_new(sizeof(
408			struct psiconv_word_style_s))))
409			goto ERROR6;
410
411			res = psiconv_write_layout_section(buf,value,styles_section,0);
412			psiconv_free_word_styles_section(styles_section);
413			return res;
414
415			ERROR6:
416			free(styles_section->normal->name);
417			ERROR5:
418			psiconv_free_paragraph_layout(styles_section->normal->paragraph);
419			ERROR4:
420			psiconv_free_character_layout(styles_section->normal->character);
421			ERROR3:
422			free(styles_section->normal);
423			ERROR2:
424			free(styles_section);
425			ERROR1:
426			if (!res)
427			return -PSICONV_E_NOMEM;
428			else
429			return res;
430			}
431	frodo	167
432
433			int psiconv_write_embedded_object_section(psiconv_buffer buf,
434			const psiconv_embedded_object_section value)
435			{
436			int res;
437			psiconv_u32 display_id,icon_id,table_id;
438			psiconv_buffer extra_buf;
439
440			if (!value) {
441			psiconv_warn(0,psiconv_buffer_length(buf),"Null Object");
442			res = -PSICONV_E_GENERATE;
443			goto ERROR1;
444			}
445
446			if (!(extra_buf = psiconv_buffer_new())) {
447			res = -PSICONV_E_NOMEM;
448			goto ERROR1;
449			}
450
451			display_id = psiconv_buffer_unique_id();
452			icon_id = psiconv_buffer_unique_id();
453			table_id = psiconv_buffer_unique_id();
454			if ((res = psiconv_write_u8(buf,0x06)))
455			goto ERROR2;
456			if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_DISPLAY_SECTION)))
457			goto ERROR2;
458			if ((res = psiconv_buffer_add_reference(buf,display_id)))
459			goto ERROR2;
460			if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_ICON_SECTION)))
461			goto ERROR2;
462			if ((res = psiconv_buffer_add_reference(buf,icon_id)))
463			goto ERROR2;
464			if ((res = psiconv_write_u32(buf,PSICONV_ID_OBJECT_SECTION_TABLE_SECTION)))
465			goto ERROR2;
466			if ((res = psiconv_buffer_add_reference(buf,table_id)))
467			goto ERROR2;
468
469			if ((res = psiconv_buffer_add_target(buf,display_id)))
470			goto ERROR2;
471			if ((res = psiconv_write_object_display_section(buf,value->display)))
472			goto ERROR2;
473			if ((res = psiconv_buffer_add_target(buf,icon_id)))
474			goto ERROR2;
475			if ((res = psiconv_write_object_icon_section(buf,value->icon)))
476			goto ERROR2;
477			if ((res = psiconv_buffer_add_target(buf,table_id)))
478			goto ERROR2;
479			switch(value->object->type) {
480			case psiconv_word_file:
481			if ((res = psiconv_write_word_file(extra_buf,
482			(psiconv_word_f) value->object->file)))
483			goto ERROR2;
484			break;
485			/*
486			case psiconv_sketch_file:
487			if ((res = psiconv_write_sketch_file(extra_buf,
488			(psiconv_sketch_f) value->object->file)))
489			goto ERROR2;
490			break;
491			case psiconv_sheet_file:
492			if ((res = psiconv_write_sheet_file(extra_buf,
493			(psiconv_sheet_f) value->object->file)))
494			goto ERROR2;
495			break;
496			*/
497			default:
498			psiconv_warn(0,psiconv_buffer_length(buf),
499			"Unknown or unsupported object type");
500			res = -PSICONV_E_GENERATE;
501			goto ERROR2;
502			}
503
504			if ((res = psiconv_buffer_resolve(extra_buf)))
505			goto ERROR2;
506			if ((res = psiconv_buffer_concat(buf,extra_buf)))
507			goto ERROR2;
508
509			return 0;
510
511			ERROR2:
512			psiconv_buffer_free(extra_buf);
513			ERROR1:
514			return res;
515			}
516
517
518			int psiconv_write_object_display_section(psiconv_buffer buf,
519			const psiconv_object_display_section value)
520			{
521			int res;
522
523			if (!value) {
524			psiconv_warn(0,psiconv_buffer_length(buf),"Null Object Display Section");
525			res = -PSICONV_E_GENERATE;
526			goto ERROR1;
527			}
528
529			if ((res = psiconv_write_u8(buf,value->show_icon?0x00:0x01)))
530			goto ERROR1;
531			if ((res = psiconv_write_length(buf,value->width)))
532			goto ERROR1;
533			if ((res = psiconv_write_length(buf,value->height)))
534			goto ERROR1;
535			if ((res = psiconv_write_u32(buf,0x00000000)))
536			goto ERROR1;
537
538			return 0;
539
540			ERROR1:
541			return res;
542			}
543
544			int psiconv_write_object_icon_section(psiconv_buffer buf,
545			const psiconv_object_icon_section value)
546			{
547			int res;
548
549			if (!value) {
550			psiconv_warn(0,psiconv_buffer_length(buf),"Null Object Icon Section");
551			res = -PSICONV_E_GENERATE;
552			goto ERROR1;
553			}
554
555			if ((res = psiconv_write_string(buf,value->icon_name)))
556			goto ERROR1;
557			if ((res = psiconv_write_length(buf,value->icon_width)))
558			goto ERROR1;
559			if ((res = psiconv_write_length(buf,value->icon_height)))
560			goto ERROR1;
561
562			return 0;
563
564			ERROR1:
565			return res;
566			}
frodo@frodo.looijaard.name	ViewVC Help
Powered by ViewVC 1.1.26