| 1 |
/* |
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generate_common.c - Part of psiconv, a PSION 5 file formats converter |
| 3 |
Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl> |
| 4 |
|
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This program is free software; you can redistribute it and/or modify |
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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. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include "config.h" |
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#include "compat.h" |
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include "generate_routines.h" |
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#include "error.h" |
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|
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static int psiconv_write_layout_section(psiconv_buffer buf, |
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const psiconv_text_and_layout value, |
| 30 |
const psiconv_word_styles_section styles, |
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int with_styles); |
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|
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/* Maybe use a psiconv_header_section variable instead? */ |
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int psiconv_write_header_section(psiconv_buffer buf,psiconv_u32 uid1, |
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psiconv_u32 uid2, psiconv_u32 uid3) |
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{ |
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int res; |
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if ((res = psiconv_write_u32(buf,uid1))) |
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return res; |
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if ((res = psiconv_write_u32(buf,uid2))) |
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return res; |
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if ((res = psiconv_write_u32(buf,uid3))) |
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return res; |
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return psiconv_write_u32(buf,psiconv_checkuid(uid1,uid2,uid3)); |
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} |
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|
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int psiconv_write_section_table_section(psiconv_buffer buf, |
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const psiconv_section_table_section value) |
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{ |
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int res,i; |
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psiconv_section_table_entry entry; |
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|
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if (!value) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Null section table section"); |
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return -PSICONV_E_GENERATE; |
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} |
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|
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if ((res = psiconv_write_u8(buf,2 * psiconv_list_length(value)))) |
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return res; |
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for (i = 0; i < psiconv_list_length(value); i++) { |
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if (!(entry = psiconv_list_get(value,i))) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
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return -PSICONV_E_NOMEM; |
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} |
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if ((res = psiconv_write_u32(buf,entry->id))) |
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return res; |
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if ((res = psiconv_write_offset(buf,entry->offset))) |
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return res; |
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} |
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return -PSICONV_E_OK; |
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} |
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|
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int psiconv_write_application_id_section(psiconv_buffer buf,psiconv_u32 id, |
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const psiconv_string_t text) |
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{ |
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int res; |
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if ((res = psiconv_write_u32(buf,id))) |
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return res; |
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return psiconv_write_string(buf,text); |
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} |
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|
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int psiconv_write_text_section(psiconv_buffer buf, |
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const psiconv_text_and_layout value) |
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{ |
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int res; |
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psiconv_buffer extra_buf; |
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int i,j; |
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psiconv_paragraph paragraph; |
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|
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if (!value) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
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return -PSICONV_E_GENERATE; |
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} |
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|
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if (psiconv_list_length(value)) { |
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if (!(extra_buf = psiconv_buffer_new())) |
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return -PSICONV_E_NOMEM; |
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for (i = 0; i < psiconv_list_length(value); i++) { |
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if (!(paragraph = psiconv_list_get(value,i))) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
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res = -PSICONV_E_OTHER; |
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goto ERROR; |
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} |
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for (j = 0; j < strlen(paragraph->text); j++) |
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if ((res = psiconv_write_u8(extra_buf,paragraph->text[j]))) |
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goto ERROR; |
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psiconv_write_u8(extra_buf,0x06); |
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} |
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if ((res = psiconv_write_X(buf,psiconv_buffer_length(extra_buf)))) |
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goto ERROR; |
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res = psiconv_buffer_concat(buf,extra_buf); |
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} else |
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/* Hack: empty text sections are just not allowed */ |
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return psiconv_write_u16(buf,0x0602); |
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|
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ERROR: |
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psiconv_buffer_free(extra_buf); |
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return res; |
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} |
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|
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int psiconv_write_layout_section(psiconv_buffer buf, |
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const psiconv_text_and_layout value, |
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const psiconv_word_styles_section styles, |
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int with_styles) |
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{ |
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typedef struct psiconv_paragraph_type_list_s |
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{ |
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psiconv_character_layout character; |
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psiconv_paragraph_layout paragraph; |
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psiconv_u8 style; |
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psiconv_u8 nr; |
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} *psiconv_paragraph_type_list; |
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psiconv_list paragraph_type_list; /* Of psiconv_paragraph_type_list_s */ |
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psiconv_paragraph_type_list paragraph_type; |
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struct psiconv_paragraph_type_list_s new_type; |
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psiconv_buffer buf_types,buf_elements,buf_inlines; |
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psiconv_paragraph paragraph; |
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psiconv_in_line_layout in_line; |
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psiconv_word_style style; |
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psiconv_character_layout para_charlayout; |
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int i,j,para_type,nr_of_inlines=0,res,ptl_length,pel_length,thislen,paralen; |
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|
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if (!value) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
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return -PSICONV_E_GENERATE; |
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} |
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|
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if (!(paragraph_type_list = psiconv_list_new(sizeof(new_type)))) { |
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res = -PSICONV_E_NOMEM; |
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goto ERROR1; |
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} |
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|
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if (!(buf_types = psiconv_buffer_new())) { |
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res = -PSICONV_E_NOMEM; |
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goto ERROR2; |
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} |
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|
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if (!(buf_elements = psiconv_buffer_new())) { |
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res = -PSICONV_E_NOMEM; |
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goto ERROR3; |
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} |
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|
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if (!(buf_inlines = psiconv_buffer_new())) { |
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res = -PSICONV_E_NOMEM; |
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goto ERROR4; |
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} |
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|
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for (i = 0; i < psiconv_list_length(value); i++) { |
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if (!(paragraph = psiconv_list_get(value,i))) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
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res = -PSICONV_E_OTHER; |
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goto ERROR5; |
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} |
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if ((res = psiconv_write_u32(buf_elements,strlen(paragraph->text)+1))) |
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goto ERROR5; |
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|
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if (psiconv_list_length(paragraph->in_lines) > 1) { |
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/* Inline layouts, so we generate a paragraph element and inline |
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elements */ |
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if ((res = psiconv_write_u8(buf_elements,0x00))) |
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goto ERROR5; |
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if (!(style = psiconv_get_style(styles,paragraph->base_style))) { |
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psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
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res = -PSICONV_E_GENERATE; |
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goto ERROR5; |
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} |
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if ((res = psiconv_write_paragraph_layout_list(buf_elements, |
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paragraph->base_paragraph, |
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style->paragraph))) |
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goto ERROR5; |
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if (with_styles) |
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if ((res = psiconv_write_u8(buf_elements,paragraph->base_style))) |
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goto ERROR5; |
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if ((res = psiconv_write_u32(buf_elements, |
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psiconv_list_length(paragraph->in_lines)))) |
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goto ERROR5; |
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|
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/* Generate the inlines. NB: Against what are all settings relative?!? */ |
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paralen = 0; |
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for (j = 0; j < psiconv_list_length(paragraph->in_lines); j++) { |
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nr_of_inlines ++; |
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if (!(in_line = psiconv_list_get(paragraph->in_lines,j))) { |
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psiconv_warn(0,psiconv_buffer_length(buf), |
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"Massive memory corruption"); |
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res = -PSICONV_E_OTHER; |
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goto ERROR5; |
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} |
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if ((res = psiconv_write_u8(buf_inlines,0x00))) |
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goto ERROR5; |
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thislen = in_line->length; |
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paralen += thislen; |
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/* If this is the last in_line, we need to make sure that the |
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complete length of all inlines equals the text length */ |
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if (j == psiconv_list_length(paragraph->in_lines)-1) { |
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if (paralen > strlen(paragraph->text)+1) { |
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res = -PSICONV_E_GENERATE; |
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goto ERROR5; |
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} |
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thislen += strlen(paragraph->text)+1-paralen; |
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} |
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if ((res = psiconv_write_u32(buf_inlines,thislen))) |
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goto ERROR5; |
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if ((res = psiconv_write_character_layout_list(buf_inlines, |
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in_line->layout, |
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style->character))) |
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goto ERROR5; |
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} |
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} else { |
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/* No inline layouts (or only 1), so we generate a paragraph type list */ |
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para_type = 0; |
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/* Set para_charlayout to the correct character-level layout */ |
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if (psiconv_list_length(paragraph->in_lines) == 0) |
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para_charlayout = paragraph->base_character; |
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else { |
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if (!(in_line = psiconv_list_get(paragraph->in_lines,0))) { |
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psiconv_warn(0,psiconv_buffer_length(buf), |
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"Massive memory corruption"); |
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res = -PSICONV_E_OTHER; |
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goto ERROR5; |
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} |
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para_charlayout = in_line->layout; |
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} |
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for (j = 0; j < psiconv_list_length(paragraph_type_list); j++) { |
| 244 |
if (!(paragraph_type = psiconv_list_get(paragraph_type_list,j))) { |
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psiconv_warn(0,psiconv_buffer_length(buf), |
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"Massive memory corruption"); |
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res = -PSICONV_E_OTHER; |
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goto ERROR5; |
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} |
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if ((paragraph->base_style == paragraph_type->style) && |
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!psiconv_compare_character_layout(para_charlayout, |
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paragraph_type->character) && |
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!psiconv_compare_paragraph_layout(paragraph->base_paragraph, |
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paragraph_type->paragraph)) { |
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para_type = paragraph_type->nr; |
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break; |
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} |
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} |
| 259 |
if (!para_type) { |
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/* We need to add a new entry */ |
| 261 |
para_type = new_type.nr = j+1; |
| 262 |
/* No need to copy them, we won't change them anyway */ |
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new_type.paragraph = paragraph->base_paragraph; |
| 264 |
new_type.character = para_charlayout; |
| 265 |
new_type.style = paragraph->base_style; |
| 266 |
paragraph_type = &new_type; |
| 267 |
if ((res = psiconv_list_add(paragraph_type_list,paragraph_type))) |
| 268 |
goto ERROR5; |
| 269 |
if ((res = psiconv_write_u32(buf_types,paragraph_type->nr))) |
| 270 |
goto ERROR5; |
| 271 |
if (!(style = psiconv_get_style(styles,paragraph_type->style))) { |
| 272 |
psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
| 273 |
res = -PSICONV_E_GENERATE; |
| 274 |
goto ERROR5; |
| 275 |
} |
| 276 |
if ((res = psiconv_write_paragraph_layout_list(buf_types, |
| 277 |
paragraph_type->paragraph,style->paragraph))) |
| 278 |
goto ERROR5; |
| 279 |
if (with_styles) |
| 280 |
if ((res = psiconv_write_u8(buf_types,paragraph_type->style))) |
| 281 |
goto ERROR5; |
| 282 |
if ((res = psiconv_write_character_layout_list(buf_types, |
| 283 |
paragraph_type->character,style->character))) |
| 284 |
goto ERROR5; |
| 285 |
} |
| 286 |
if ((res = psiconv_write_u8(buf_elements,para_type))) |
| 287 |
goto ERROR5; |
| 288 |
} |
| 289 |
} |
| 290 |
|
| 291 |
/* HACK: special case: no paragraphs at all. We need to improvize. */ |
| 292 |
if (!psiconv_list_length(value)) { |
| 293 |
if ((res = psiconv_write_u32(buf_types,1))) |
| 294 |
goto ERROR5; |
| 295 |
if ((res = psiconv_write_u32(buf_types,0))) |
| 296 |
goto ERROR5; |
| 297 |
if (with_styles) |
| 298 |
if ((res = psiconv_write_u8(buf_types,0))) |
| 299 |
goto ERROR5; |
| 300 |
if ((res = psiconv_write_u32(buf_types,0))) |
| 301 |
goto ERROR5; |
| 302 |
|
| 303 |
if ((res = psiconv_write_u32(buf_elements,1))) |
| 304 |
goto ERROR5; |
| 305 |
if ((res = psiconv_write_u8(buf_elements,1))) |
| 306 |
goto ERROR5; |
| 307 |
pel_length = 1; |
| 308 |
ptl_length = 1; |
| 309 |
} else { |
| 310 |
pel_length = psiconv_list_length(value); |
| 311 |
ptl_length = psiconv_list_length(paragraph_type_list); |
| 312 |
} |
| 313 |
|
| 314 |
/* Now append everything */ |
| 315 |
if ((res = psiconv_write_u16(buf,with_styles?0x0001:0x0000))) |
| 316 |
goto ERROR5; |
| 317 |
if ((res = psiconv_write_u8(buf, ptl_length))) |
| 318 |
goto ERROR5; |
| 319 |
if ((res = psiconv_buffer_concat(buf,buf_types))) |
| 320 |
goto ERROR5; |
| 321 |
if ((res = psiconv_write_u32(buf,pel_length))) |
| 322 |
goto ERROR5; |
| 323 |
if ((res = psiconv_buffer_concat(buf,buf_elements))) |
| 324 |
goto ERROR5; |
| 325 |
if ((res = psiconv_write_u32(buf,nr_of_inlines))) |
| 326 |
goto ERROR5; |
| 327 |
res = psiconv_buffer_concat(buf,buf_inlines); |
| 328 |
|
| 329 |
ERROR5: |
| 330 |
psiconv_buffer_free(buf_inlines); |
| 331 |
ERROR4: |
| 332 |
psiconv_buffer_free(buf_elements); |
| 333 |
ERROR3: |
| 334 |
psiconv_buffer_free(buf_types); |
| 335 |
ERROR2: |
| 336 |
psiconv_list_free(paragraph_type_list); |
| 337 |
ERROR1: |
| 338 |
return res; |
| 339 |
} |
| 340 |
|
| 341 |
int psiconv_write_styled_layout_section(psiconv_buffer buf, |
| 342 |
psiconv_text_and_layout result, |
| 343 |
psiconv_word_styles_section styles) |
| 344 |
{ |
| 345 |
return psiconv_write_layout_section(buf,result,styles,1); |
| 346 |
} |
| 347 |
|
| 348 |
int psiconv_write_styleless_layout_section(psiconv_buffer buf, |
| 349 |
const psiconv_text_and_layout value, |
| 350 |
const psiconv_character_layout base_char, |
| 351 |
const psiconv_paragraph_layout base_para) |
| 352 |
{ |
| 353 |
int res = 0; |
| 354 |
psiconv_word_styles_section styles_section; |
| 355 |
|
| 356 |
if (!(styles_section = malloc(sizeof(*styles_section)))) |
| 357 |
goto ERROR1; |
| 358 |
if (!(styles_section->normal = malloc(sizeof(*styles_section->normal)))) |
| 359 |
goto ERROR2; |
| 360 |
if (!(styles_section->normal->character = |
| 361 |
psiconv_clone_character_layout(base_char))) |
| 362 |
goto ERROR3; |
| 363 |
if (!(styles_section->normal->paragraph = |
| 364 |
psiconv_clone_paragraph_layout(base_para))) |
| 365 |
goto ERROR4; |
| 366 |
styles_section->normal->hotkey = 0; |
| 367 |
if (!(styles_section->normal->name = strdup(""))) |
| 368 |
goto ERROR5; |
| 369 |
if (!(styles_section->styles = psiconv_list_new(sizeof( |
| 370 |
struct psiconv_word_style_s)))) |
| 371 |
goto ERROR6; |
| 372 |
|
| 373 |
res = psiconv_write_layout_section(buf,value,styles_section,0); |
| 374 |
psiconv_free_word_styles_section(styles_section); |
| 375 |
return res; |
| 376 |
|
| 377 |
ERROR6: |
| 378 |
free(styles_section->normal->name); |
| 379 |
ERROR5: |
| 380 |
psiconv_free_paragraph_layout(styles_section->normal->paragraph); |
| 381 |
ERROR4: |
| 382 |
psiconv_free_character_layout(styles_section->normal->character); |
| 383 |
ERROR3: |
| 384 |
free(styles_section->normal); |
| 385 |
ERROR2: |
| 386 |
free(styles_section); |
| 387 |
ERROR1: |
| 388 |
if (!res) |
| 389 |
return -PSICONV_E_NOMEM; |
| 390 |
else |
| 391 |
return res; |
| 392 |
} |
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