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/* |
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parse_driver.c - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
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|
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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 |
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the Free Software Foundation; either version 2 of the License, or |
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(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 |
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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 <stdlib.h> |
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|
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#include "parse.h" |
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#include "parse_routines.h" |
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#include "data.h" |
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|
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psiconv_file_type_t psiconv_file_type(psiconv_buffer buf) |
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{ |
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psiconv_header_section header; |
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psiconv_file_type_t res; |
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|
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psiconv_parse_header_section(buf,0,0,NULL,&header); |
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res = header->file; |
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psiconv_free_header_section(header); |
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return res; |
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} |
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|
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int psiconv_parse(const psiconv_buffer buf,psiconv_file *result) |
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{ |
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int res=0; |
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int lev=0; |
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int off=0; |
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|
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(*result) = malloc(sizeof(**result)); |
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|
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(*result)->type = psiconv_file_type(buf); |
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if ((*result)->type == psiconv_unknown_file) { |
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psiconv_warn(lev+1,off,"Unknown file type: can't parse!"); |
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(*result)->file = NULL; |
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res = -1; |
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} else if ((*result)->type == psiconv_word_file) |
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res = psiconv_parse_word_file(buf,lev+2,off, |
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(psiconv_word_f *)(&((*result)->file))); |
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else if ((*result)->type == psiconv_texted_file) |
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res = psiconv_parse_texted_file(buf,lev+2,off, |
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(psiconv_texted_f *)(&((*result)->file))); |
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else { |
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psiconv_warn(lev+1,off,"Can't parse this file yet!"); |
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(*result)->file = NULL; |
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} |
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res = -1; |
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|
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return res; |
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} |
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|
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int psiconv_parse_texted_file(const psiconv_buffer buf,int lev, psiconv_u32 off, |
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psiconv_texted_f *result) |
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{ |
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int res=0; |
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psiconv_header_section header; |
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psiconv_section_table_section table; |
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psiconv_application_id_section appl_id; |
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char *temp_str; |
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psiconv_character_layout base_char; |
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psiconv_paragraph_layout base_para; |
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psiconv_u32 page_sec = 0; |
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psiconv_u32 texted_sec = 0; |
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psiconv_u32 applid_sec = 0; |
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psiconv_section_table_entry entry; |
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int i; |
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|
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psiconv_progress(lev+1,off,"Going to read a texted file"); |
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*result = malloc(sizeof(**result)); |
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|
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psiconv_progress(lev+2,off, "Going to read the header section"); |
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res |= psiconv_parse_header_section(buf,lev+2,off,NULL,&header); |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Going to read the section table section"); |
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res |= psiconv_parse_section_table_section(buf,lev+2, |
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header->section_table_offset, |
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NULL,&table); |
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|
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for (i = 0; i < psiconv_list_length(table); i ++) { |
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psiconv_progress(lev+2,header->section_table_offset, |
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"Going to read entry %d",i); |
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entry = psiconv_list_get(table,i); |
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if (entry->id == PSICONV_ID_APPL_ID_SECTION) { |
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applid_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Application ID section at %08x",applid_sec); |
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} else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) { |
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page_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Page Layout section at %08x",page_sec); |
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} else if (entry->id == PSICONV_ID_TEXTED) { |
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texted_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the TextEd section at %08x",texted_sec); |
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} else { |
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psiconv_warn(lev+3,header->section_table_offset, |
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"Found unknown section in the Section Table"); |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Section ID %08x, offset %08x",entry->id,entry->offset); |
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res = -1; |
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} |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Application ID section"); |
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if (! applid_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Application ID section not found in the section table"); |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Application ID section at offset %08x",applid_sec); |
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res |= psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL, |
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&appl_id); |
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} |
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if ((appl_id->id != PSICONV_ID_TEXTED) || |
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strcmp(appl_id->name,"TextEd.app")) { |
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psiconv_warn(lev+2,applid_sec, |
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"Application ID section contains unexpected data"); |
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psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found", |
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PSICONV_ID_TEXTED,appl_id->id); |
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temp_str = psiconv_make_printable(appl_id->name); |
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psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found", |
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PSICONV_ID_TEXTED,temp_str); |
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free(temp_str); |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Page layout section"); |
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if (! page_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Page layout section not found in the section table"); |
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(*result)->page_sec = NULL; |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Page layout section at offset %08x",page_sec); |
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res |= psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL, |
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&(*result)->page_sec); |
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} |
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|
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base_char = psiconv_basic_character_layout(); |
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base_para = psiconv_basic_paragraph_layout(); |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the TextEd section"); |
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if (! texted_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"TextEd section not found in the section table"); |
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(*result)->texted_sec = NULL; |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"TextEd section at offset %08x",texted_sec); |
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res |= psiconv_parse_texted_section(buf,lev+2,texted_sec,NULL, |
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&(*result)->texted_sec, |
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base_char,base_para); |
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} |
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psiconv_free_character_layout(base_char); |
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psiconv_free_paragraph_layout(base_para); |
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|
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psiconv_free_application_id_section(appl_id); |
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psiconv_free_header_section(header); |
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psiconv_free_section_table_section(table); |
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|
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psiconv_progress(lev+1,off,"End of word file"); |
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return res; |
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} |
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|
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int psiconv_parse_word_file(const psiconv_buffer buf,int lev, psiconv_u32 off, |
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psiconv_word_f *result) |
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{ |
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int res=0; |
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psiconv_header_section header; |
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psiconv_section_table_section table; |
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psiconv_application_id_section appl_id; |
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char *temp_str; |
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psiconv_u32 pwd_sec = 0; |
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psiconv_u32 status_sec = 0; |
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psiconv_u32 styles_sec = 0; |
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psiconv_u32 page_sec = 0; |
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psiconv_u32 text_sec = 0; |
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psiconv_u32 layout_sec = 0; |
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psiconv_u32 applid_sec = 0; |
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psiconv_section_table_entry entry; |
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int i; |
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|
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psiconv_progress(lev+1,off,"Going to read a word file"); |
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*result = malloc(sizeof(**result)); |
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|
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psiconv_progress(lev+2,off, "Going to read the header section"); |
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res |= psiconv_parse_header_section(buf,lev+2,off,NULL,&header); |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Going to read the section table section"); |
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res |= psiconv_parse_section_table_section(buf,lev+2, |
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header->section_table_offset, |
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NULL,&table); |
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|
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for (i = 0; i < psiconv_list_length(table); i ++) { |
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psiconv_progress(lev+2,header->section_table_offset, |
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"Going to read entry %d",i); |
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entry = psiconv_list_get(table,i); |
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if (entry->id == PSICONV_ID_APPL_ID_SECTION) { |
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applid_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Application ID section at %08x",applid_sec); |
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} else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) { |
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page_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Page Layout section at %08x",page_sec); |
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} else if (entry->id == PSICONV_ID_TEXT_SECTION) { |
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text_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Text section at %08x",text_sec); |
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} else if (entry->id == PSICONV_ID_PASSWORD_SECTION) { |
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pwd_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Password section at %08x",pwd_sec); |
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psiconv_warn(lev+3,header->section_table_offset, |
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"Password section found - can't read encrypted data"); |
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res = -1; |
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} else if (entry->id == PSICONV_ID_WORD_STATUS_SECTION) { |
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status_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Word Status section at %08x",status_sec); |
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} else if (entry->id == PSICONV_ID_WORD_STYLES_SECTION) { |
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styles_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Word Styles section at %08x",styles_sec); |
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} else if (entry->id == PSICONV_ID_LAYOUT_SECTION) { |
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layout_sec = entry->offset; |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Found the Layout section at %08x",layout_sec); |
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} else { |
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psiconv_warn(lev+3,header->section_table_offset, |
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"Found unknown section in the Section Table"); |
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psiconv_debug(lev+3,header->section_table_offset, |
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"Section ID %08x, offset %08x",entry->id,entry->offset); |
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res = -1; |
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} |
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} |
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|
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Status section"); |
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if (!status_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Status section not found in the section table"); |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Status section at offset %08x",status_sec); |
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res |= psiconv_parse_word_status_section(buf,lev+2,status_sec,NULL, |
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&((*result)->status_sec)); |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Application ID section"); |
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if (! applid_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Application ID section not found in the section table"); |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Application ID section at offset %08x",applid_sec); |
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res |= psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL, |
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&appl_id); |
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} |
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if ((appl_id->id != PSICONV_ID_WORD) || |
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strcmp(appl_id->name,"Word.app")) { |
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psiconv_warn(lev+2,applid_sec, |
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"Application ID section contains unexpected data"); |
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psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found", |
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PSICONV_ID_WORD,appl_id->id); |
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temp_str = psiconv_make_printable(appl_id->name); |
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psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found", |
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PSICONV_ID_WORD,temp_str); |
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free(temp_str); |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Page layout section"); |
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if (! page_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Page layout section not found in the section table"); |
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(*result)->page_sec = NULL; |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Page layout section at offset %08x",page_sec); |
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res |= psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL, |
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&(*result)->page_sec); |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Word Style section"); |
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if (!styles_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Word styles section not found in the section table"); |
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(*result)->styles_sec = NULL; |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Word styles section at offset %08x",styles_sec); |
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res |= psiconv_parse_word_styles_section(buf,lev+2,styles_sec,NULL, |
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&(*result)->styles_sec); |
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} |
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|
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Text section"); |
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if (!text_sec) { |
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psiconv_warn(lev+2,header->section_table_offset, |
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"Text section not found in the section table"); |
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(*result)->paragraphs = NULL; |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Text section at offset %08x",text_sec); |
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res |= psiconv_parse_text_section(buf,lev+2,text_sec,NULL, |
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&(*result)->paragraphs); |
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} |
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|
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if (((*result)->paragraphs) && ((*result)->styles_sec)) { |
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psiconv_progress(lev+2,header->section_table_offset, |
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"Looking for the Layout section"); |
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if (!layout_sec) { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Layout section not found in the section table"); |
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res = -1; |
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} else { |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Layout section at offset %08x",layout_sec); |
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res |= psiconv_parse_styled_layout_section(buf,lev+2,layout_sec,NULL, |
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(*result)->paragraphs, |
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(*result)->styles_sec); |
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} |
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} else |
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psiconv_debug(lev+2,header->section_table_offset, |
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"Skipping search for Layout section, as either the " |
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"text or the word styles section was not found"); |
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|
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psiconv_free_application_id_section(appl_id); |
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psiconv_free_header_section(header); |
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psiconv_free_section_table_section(table); |
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|
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psiconv_progress(lev+1,off,"End of word file"); |
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return res; |
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} |