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Sweden-Number/dlls/d3dxof/parsing.c

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/*
* X Files parsing
*
* Copyright 2008 Christian Costa
*
* This file contains the (internal) driver registration functions,
* driver enumeration APIs and DirectDraw creation functions.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/debug.h"
#define COBJMACROS
#include "winbase.h"
#include "wingdi.h"
#include "d3dxof_private.h"
#include "dxfile.h"
#include <stdio.h>
WINE_DEFAULT_DEBUG_CHANNEL(d3dxof_parsing);
#define MAKEFOUR(a,b,c,d) ((DWORD)a + ((DWORD)b << 8) + ((DWORD)c << 16) + ((DWORD)d << 24))
#define XOFFILE_FORMAT_MAGIC MAKEFOUR('x','o','f',' ')
#define XOFFILE_FORMAT_VERSION_302 MAKEFOUR('0','3','0','2')
#define XOFFILE_FORMAT_VERSION_303 MAKEFOUR('0','3','0','3')
#define XOFFILE_FORMAT_BINARY MAKEFOUR('b','i','n',' ')
#define XOFFILE_FORMAT_TEXT MAKEFOUR('t','x','t',' ')
#define XOFFILE_FORMAT_BINARY_MSZIP MAKEFOUR('b','z','i','p')
#define XOFFILE_FORMAT_TEXT_MSZIP MAKEFOUR('t','z','i','p')
#define XOFFILE_FORMAT_COMPRESSED MAKEFOUR('c','m','p',' ')
#define XOFFILE_FORMAT_FLOAT_BITS_32 MAKEFOUR('0','0','3','2')
#define XOFFILE_FORMAT_FLOAT_BITS_64 MAKEFOUR('0','0','6','4')
#define TOKEN_NAME 1
#define TOKEN_STRING 2
#define TOKEN_INTEGER 3
#define TOKEN_GUID 5
#define TOKEN_INTEGER_LIST 6
#define TOKEN_FLOAT_LIST 7
#define TOKEN_OBRACE 10
#define TOKEN_CBRACE 11
#define TOKEN_OPAREN 12
#define TOKEN_CPAREN 13
#define TOKEN_OBRACKET 14
#define TOKEN_CBRACKET 15
#define TOKEN_OANGLE 16
#define TOKEN_CANGLE 17
#define TOKEN_DOT 18
#define TOKEN_COMMA 19
#define TOKEN_SEMICOLON 20
#define TOKEN_TEMPLATE 31
#define TOKEN_WORD 40
#define TOKEN_DWORD 41
#define TOKEN_FLOAT 42
#define TOKEN_DOUBLE 43
#define TOKEN_CHAR 44
#define TOKEN_UCHAR 45
#define TOKEN_SWORD 46
#define TOKEN_SDWORD 47
#define TOKEN_VOID 48
#define TOKEN_LPSTR 49
#define TOKEN_UNICODE 50
#define TOKEN_CSTRING 51
#define TOKEN_ARRAY 52
#define CLSIDFMT "<%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X>"
/* FOURCC to string conversion for debug messages */
static const char *debugstr_fourcc(DWORD fourcc)
{
if (!fourcc) return "'null'";
return wine_dbg_sprintf ("\'%c%c%c%c\'",
(char)(fourcc), (char)(fourcc >> 8),
(char)(fourcc >> 16), (char)(fourcc >> 24));
}
static const char* get_primitive_string(WORD token)
{
switch(token)
{
case TOKEN_WORD:
return "WORD";
case TOKEN_DWORD:
return "DWORD";
case TOKEN_FLOAT:
return "FLOAT";
case TOKEN_DOUBLE:
return "DOUBLE";
case TOKEN_CHAR:
return "CHAR";
case TOKEN_UCHAR:
return "UCHAR";
case TOKEN_SWORD:
return "SWORD";
case TOKEN_SDWORD:
return "SDWORD";
case TOKEN_VOID:
return "VOID";
case TOKEN_LPSTR:
return "STRING";
case TOKEN_UNICODE:
return "UNICODE";
case TOKEN_CSTRING:
return "CSTRING ";
default:
break;
}
return NULL;
}
static void dump_template(xtemplate* templates_array, xtemplate* ptemplate)
{
int j, k;
GUID* clsid;
clsid = &ptemplate->class_id;
DPRINTF("template %s\n", ptemplate->name);
DPRINTF("{\n");
DPRINTF(CLSIDFMT "\n", clsid->Data1, clsid->Data2, clsid->Data3, clsid->Data4[0],
clsid->Data4[1], clsid->Data4[2], clsid->Data4[3], clsid->Data4[4], clsid->Data4[5], clsid->Data4[6], clsid->Data4[7]);
for (j = 0; j < ptemplate->nb_members; j++)
{
if (ptemplate->members[j].nb_dims)
DPRINTF("array ");
if (ptemplate->members[j].type == TOKEN_NAME)
DPRINTF("%s ", templates_array[ptemplate->members[j].idx_template].name);
else
DPRINTF("%s ", get_primitive_string(ptemplate->members[j].type));
DPRINTF("%s", ptemplate->members[j].name);
for (k = 0; k < ptemplate->members[j].nb_dims; k++)
{
if (ptemplate->members[j].dim_fixed[k])
DPRINTF("[%d]", ptemplate->members[j].dim_value[k]);
else
DPRINTF("[%s]", ptemplate->members[ptemplate->members[j].dim_value[k]].name);
}
DPRINTF(";\n");
}
if (ptemplate->open)
DPRINTF("[...]\n");
else if (ptemplate->nb_children)
{
DPRINTF("[%s", ptemplate->children[0]);
for (j = 1; j < ptemplate->nb_children; j++)
DPRINTF(",%s", ptemplate->children[j]);
DPRINTF("]\n");
}
DPRINTF("}\n");
}
static BOOL read_bytes(parse_buffer * buf, LPVOID data, DWORD size)
{
if (buf->rem_bytes < size)
return FALSE;
memcpy(data, buf->buffer, size);
buf->buffer += size;
buf->rem_bytes -= size;
return TRUE;
}
static void rewind_bytes(parse_buffer * buf, DWORD size)
{
buf->buffer -= size;
buf->rem_bytes += size;
}
HRESULT parse_header(parse_buffer * buf, BYTE ** decomp_buffer_ptr)
{
/* X File common header:
* 0-3 -> Magic Number (format identifier)
* 4-7 -> Format Version
* 8-11 -> Format Type (text or binary, decompressed or compressed)
* 12-15 -> Float Size (32 or 64 bits) */
DWORD header[4];
if (!read_bytes(buf, header, sizeof(header)))
return DXFILEERR_BADFILETYPE;
if (TRACE_ON(d3dxof_parsing))
{
char string[17];
memcpy(string, header, 16);
string[16] = 0;
TRACE("header = '%s'\n", string);
}
if (header[0] != XOFFILE_FORMAT_MAGIC)
return DXFILEERR_BADFILETYPE;
if (header[1] != XOFFILE_FORMAT_VERSION_302 && header[1] != XOFFILE_FORMAT_VERSION_303)
return DXFILEERR_BADFILEVERSION;
if (header[2] != XOFFILE_FORMAT_BINARY && header[2] != XOFFILE_FORMAT_TEXT &&
header[2] != XOFFILE_FORMAT_BINARY_MSZIP && header[2] != XOFFILE_FORMAT_TEXT_MSZIP)
{
WARN("File type %s unknown\n", debugstr_fourcc(header[2]));
return DXFILEERR_BADFILETYPE;
}
if (header[3] != XOFFILE_FORMAT_FLOAT_BITS_32 && header[3] != XOFFILE_FORMAT_FLOAT_BITS_64)
return DXFILEERR_BADFILEFLOATSIZE;
buf->txt = header[2] == XOFFILE_FORMAT_TEXT || header[2] == XOFFILE_FORMAT_TEXT_MSZIP;
if (header[2] == XOFFILE_FORMAT_BINARY_MSZIP || header[2] == XOFFILE_FORMAT_TEXT_MSZIP)
{
/* Extended header for compressed data:
* 16-17 -> decompressed size w/ header, 18-19 -> null,
* 20-21 -> decompressed size w/o header, 22-23 -> size of MSZIP compressed data,
* 24-xx -> compressed MSZIP data */
int err;
WORD decomp_size;
WORD comp_size;
LPBYTE decomp_buffer;
buf->rem_bytes -= sizeof(WORD) * 2;
buf->buffer += sizeof(WORD) * 2;
if (!read_bytes(buf, &decomp_size, sizeof(decomp_size)))
return DXFILEERR_BADFILETYPE;
if (!read_bytes(buf, &comp_size, sizeof(comp_size)))
return DXFILEERR_BADFILETYPE;
TRACE("Compressed format %s detected: compressed_size = %x, decompressed_size = %x\n",
debugstr_fourcc(header[2]), comp_size, decomp_size);
decomp_buffer = HeapAlloc(GetProcessHeap(), 0, decomp_size);
if (!decomp_buffer)
{
ERR("Out of memory\n");
return DXFILEERR_BADALLOC;
}
err = mszip_decompress(comp_size, decomp_size, (char*)buf->buffer, (char*)decomp_buffer);
if (err)
{
WARN("Error while decompressing mszip archive %d\n", err);
HeapFree(GetProcessHeap(), 0, decomp_buffer);
return DXFILEERR_BADALLOC;
}
/* Use decompressed data */
buf->buffer = *decomp_buffer_ptr = decomp_buffer;
buf->rem_bytes = decomp_size;
}
TRACE("Header is correct\n");
return S_OK;
}
static void dump_TOKEN(WORD token)
{
#define DUMP_TOKEN(t) case t: TRACE(#t "\n"); break
switch(token)
{
DUMP_TOKEN(TOKEN_NAME);
DUMP_TOKEN(TOKEN_STRING);
DUMP_TOKEN(TOKEN_INTEGER);
DUMP_TOKEN(TOKEN_GUID);
DUMP_TOKEN(TOKEN_INTEGER_LIST);
DUMP_TOKEN(TOKEN_FLOAT_LIST);
DUMP_TOKEN(TOKEN_OBRACE);
DUMP_TOKEN(TOKEN_CBRACE);
DUMP_TOKEN(TOKEN_OPAREN);
DUMP_TOKEN(TOKEN_CPAREN);
DUMP_TOKEN(TOKEN_OBRACKET);
DUMP_TOKEN(TOKEN_CBRACKET);
DUMP_TOKEN(TOKEN_OANGLE);
DUMP_TOKEN(TOKEN_CANGLE);
DUMP_TOKEN(TOKEN_DOT);
DUMP_TOKEN(TOKEN_COMMA);
DUMP_TOKEN(TOKEN_SEMICOLON);
DUMP_TOKEN(TOKEN_TEMPLATE);
DUMP_TOKEN(TOKEN_WORD);
DUMP_TOKEN(TOKEN_DWORD);
DUMP_TOKEN(TOKEN_FLOAT);
DUMP_TOKEN(TOKEN_DOUBLE);
DUMP_TOKEN(TOKEN_CHAR);
DUMP_TOKEN(TOKEN_UCHAR);
DUMP_TOKEN(TOKEN_SWORD);
DUMP_TOKEN(TOKEN_SDWORD);
DUMP_TOKEN(TOKEN_VOID);
DUMP_TOKEN(TOKEN_LPSTR);
DUMP_TOKEN(TOKEN_UNICODE);
DUMP_TOKEN(TOKEN_CSTRING);
DUMP_TOKEN(TOKEN_ARRAY);
default:
if (0)
TRACE("Unknown token %d\n", token);
break;
}
#undef DUMP_TOKEN
}
static BOOL is_space(char c)
{
switch (c)
{
case 0x00:
case 0x0D:
case 0x0A:
case ' ':
case '\t':
return TRUE;
}
return FALSE;
}
static BOOL is_operator(char c)
{
switch(c)
{
case '{':
case '}':
case '[':
case ']':
case '(':
case ')':
case '<':
case '>':
case ',':
case ';':
return TRUE;
}
return FALSE;
}
static inline BOOL is_separator(char c)
{
return is_space(c) || is_operator(c);
}
static WORD get_operator_token(char c)
{
switch(c)
{
case '{':
return TOKEN_OBRACE;
case '}':
return TOKEN_CBRACE;
case '[':
return TOKEN_OBRACKET;
case ']':
return TOKEN_CBRACKET;
case '(':
return TOKEN_OPAREN;
case ')':
return TOKEN_CPAREN;
case '<':
return TOKEN_OANGLE;
case '>':
return TOKEN_CANGLE;
case ',':
return TOKEN_COMMA;
case ';':
return TOKEN_SEMICOLON;
}
return 0;
}
static BOOL is_keyword(parse_buffer* buf, const char* keyword)
{
char tmp[8]; /* longest keyword size (template) */
DWORD len = strlen(keyword);
if (!read_bytes(buf, tmp, len))
return FALSE;
if (strncasecmp(tmp, keyword, len))
{
rewind_bytes(buf, len);
return FALSE;
}
if (!read_bytes(buf, tmp, 1))
return TRUE;
if (is_separator(tmp[0]))
{
rewind_bytes(buf, 1);
return TRUE;
}
rewind_bytes(buf, len+1);
return FALSE;
}
static WORD get_keyword_token(parse_buffer* buf)
{
if (is_keyword(buf, "template"))
return TOKEN_TEMPLATE;
if (is_keyword(buf, "WORD"))
return TOKEN_WORD;
if (is_keyword(buf, "DWORD"))
return TOKEN_DWORD;
if (is_keyword(buf, "FLOAT"))
return TOKEN_FLOAT;
if (is_keyword(buf, "DOUBLE"))
return TOKEN_DOUBLE;
if (is_keyword(buf, "CHAR"))
return TOKEN_CHAR;
if (is_keyword(buf, "UCHAR"))
return TOKEN_UCHAR;
if (is_keyword(buf, "SWORD"))
return TOKEN_SWORD;
if (is_keyword(buf, "SDWORD"))
return TOKEN_SDWORD;
if (is_keyword(buf, "VOID"))
return TOKEN_VOID;
if (is_keyword(buf, "STRING"))
return TOKEN_LPSTR;
if (is_keyword(buf, "UNICODE"))
return TOKEN_UNICODE;
if (is_keyword(buf, "CSTRING"))
return TOKEN_CSTRING;
if (is_keyword(buf, "array"))
return TOKEN_ARRAY;
return 0;
}
static BOOL is_guid(parse_buffer* buf)
{
char tmp[50];
DWORD pos = 1;
GUID class_id;
DWORD tab[10];
int ret;
if (buf->rem_bytes < 38 || *buf->buffer != '<')
return FALSE;
tmp[0] = '<';
while (pos < sizeof(tmp) - 2 && *(buf->buffer+pos) != '>')
{
tmp[pos] = *(buf->buffer+pos);
pos++;
}
tmp[pos++] = '>';
tmp[pos] = 0;
if (pos != 38 /* <+36+> */)
{
TRACE("Wrong guid %s (%d)\n", tmp, pos);
return FALSE;
}
buf->buffer += pos;
buf->rem_bytes -= pos;
ret = sscanf(tmp, CLSIDFMT, &class_id.Data1, tab, tab+1, tab+2, tab+3, tab+4, tab+5, tab+6, tab+7, tab+8, tab+9);
if (ret != 11)
{
TRACE("Wrong guid %s (%d)\n", tmp, pos);
return FALSE;
}
TRACE("Found guid %s (%d)\n", tmp, pos);
class_id.Data2 = tab[0];
class_id.Data3 = tab[1];
class_id.Data4[0] = tab[2];
class_id.Data4[1] = tab[3];
class_id.Data4[2] = tab[4];
class_id.Data4[3] = tab[5];
class_id.Data4[4] = tab[6];
class_id.Data4[5] = tab[7];
class_id.Data4[6] = tab[8];
class_id.Data4[7] = tab[9];
*(GUID*)buf->value = class_id;
return TRUE;
}
static BOOL is_name(parse_buffer* buf)
{
char tmp[512];
DWORD pos = 0;
char c;
BOOL error = 0;
while (pos < buf->rem_bytes && !is_separator(c = *(buf->buffer+pos)))
{
if (!(((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) || ((c >= '0') && (c <= '9')) || (c == '_') || (c == '-')))
error = 1;
if (pos < sizeof(tmp))
tmp[pos] = c;
pos++;
}
tmp[min(pos, sizeof(tmp) - 1)] = 0;
if (error)
{
TRACE("Wrong name %s\n", tmp);
return FALSE;
}
buf->buffer += pos;
buf->rem_bytes -= pos;
TRACE("Found name %s\n", tmp);
strcpy((char*)buf->value, tmp);
return TRUE;
}
static BOOL is_float(parse_buffer* buf)
{
char tmp[512];
DWORD pos = 0;
char c;
float decimal;
BOOL dot = 0;
while (pos < buf->rem_bytes && !is_separator(c = *(buf->buffer+pos)))
{
if (!((!pos && (c == '-')) || ((c >= '0') && (c <= '9')) || (!dot && (c == '.'))))
return FALSE;
if (c == '.')
dot = TRUE;
if (pos < sizeof(tmp))
tmp[pos] = c;
pos++;
}
tmp[min(pos, sizeof(tmp) - 1)] = 0;
buf->buffer += pos;
buf->rem_bytes -= pos;
sscanf(tmp, "%f", &decimal);
TRACE("Found float %s - %f\n", tmp, decimal);
*(float*)buf->value = decimal;
return TRUE;
}
static BOOL is_integer(parse_buffer* buf)
{
char tmp[512];
DWORD pos = 0;
char c;
DWORD integer;
while (pos < buf->rem_bytes && !is_separator(c = *(buf->buffer+pos)))
{
if (!((c >= '0') && (c <= '9')))
return FALSE;
if (pos < sizeof(tmp))
tmp[pos] = c;
pos++;
}
tmp[min(pos, sizeof(tmp) - 1)] = 0;
buf->buffer += pos;
buf->rem_bytes -= pos;
sscanf(tmp, "%d", &integer);
TRACE("Found integer %s - %d\n", tmp, integer);
*(DWORD*)buf->value = integer;
return TRUE;
}
static BOOL is_string(parse_buffer* buf)
{
char tmp[512];
DWORD pos = 0;
char c;
BOOL ok = 0;
if (*buf->buffer != '"')
return FALSE;
while (pos < buf->rem_bytes && !is_operator(c = *(buf->buffer+pos+1)))
{
if (c == '"')
{
ok = 1;
break;
}
if (pos < sizeof(tmp))
tmp[pos] = c;
pos++;
}
tmp[min(pos, sizeof(tmp) - 1)] = 0;
if (!ok)
{
TRACE("Wrong string %s\n", tmp);
return FALSE;
}
buf->buffer += pos + 2;
buf->rem_bytes -= pos + 2;
TRACE("Found string %s\n", tmp);
strcpy((char*)buf->value, tmp);
return TRUE;
}
static WORD parse_TOKEN(parse_buffer * buf)
{
WORD token;
if (buf->txt)
{
while(1)
{
char c;
if (!read_bytes(buf, &c, 1))
return 0;
/*TRACE("char = '%c'\n", is_space(c) ? ' ' : c);*/
if ((c == '#') || (c == '/'))
{
/* Handle comment (# or //) */
if (c == '/')
{
if (!read_bytes(buf, &c, 1))
return 0;
if (c != '/')
return 0;
}
c = 0;
while (c != 0x0A)
{
if (!read_bytes(buf, &c, 1))
return 0;
}
continue;
}
if (is_space(c))
continue;
if (is_operator(c) && (c != '<'))
{
token = get_operator_token(c);
break;
}
else if (c == '.')
{
token = TOKEN_DOT;
break;
}
else
{
rewind_bytes(buf, 1);
if ((token = get_keyword_token(buf)))
break;
if (is_guid(buf))
{
token = TOKEN_GUID;
break;
}
if (is_integer(buf))
{
token = TOKEN_INTEGER;
break;
}
if (is_float(buf))
{
token = TOKEN_FLOAT;
break;
}
if (is_string(buf))
{
token = TOKEN_LPSTR;
break;
}
if (is_name(buf))
{
token = TOKEN_NAME;
break;
}
FIXME("Unrecognize element\n");
return 0;
}
}
}
else
{
static int nb_elem;
static int is_float;
if (!nb_elem)
{
if (!read_bytes(buf, &token, 2))
return 0;
/* Convert integer and float list into separate elements */
if (token == TOKEN_INTEGER_LIST)
{
if (!read_bytes(buf, &nb_elem, 4))
return 0;
token = TOKEN_INTEGER;
is_float = FALSE;
TRACE("Integer list (TOKEN_INTEGER_LIST) of size %d\n", nb_elem);
}
else if (token == TOKEN_FLOAT_LIST)
{
if (!read_bytes(buf, &nb_elem, 4))
return 0;
token = TOKEN_FLOAT;
is_float = TRUE;
TRACE("Float list (TOKEN_FLOAT_LIST) of size %d\n", nb_elem);
}
}
if (nb_elem)
{
token = is_float ? TOKEN_FLOAT : TOKEN_INTEGER;
nb_elem--;
{
DWORD integer;
if (!read_bytes(buf, &integer, 4))
return 0;
*(DWORD*)buf->value = integer;
}
dump_TOKEN(token);
return token;
}
switch (token)
{
case TOKEN_NAME:
{
DWORD count;
char strname[100];
if (!read_bytes(buf, &count, 4))
return 0;
if (!read_bytes(buf, strname, count))
return 0;
strname[count] = 0;
/*TRACE("name = %s\n", strname);*/
strcpy((char*)buf->value, strname);
}
break;
case TOKEN_INTEGER:
{
DWORD integer;
if (!read_bytes(buf, &integer, 4))
return 0;
/*TRACE("integer = %ld\n", integer);*/
*(DWORD*)buf->value = integer;
}
break;
case TOKEN_GUID:
{
char strguid[39];
GUID class_id;
if (!read_bytes(buf, &class_id, 16))
return 0;
sprintf(strguid, CLSIDFMT, class_id.Data1, class_id.Data2, class_id.Data3, class_id.Data4[0],
class_id.Data4[1], class_id.Data4[2], class_id.Data4[3], class_id.Data4[4], class_id.Data4[5],
class_id.Data4[6], class_id.Data4[7]);
/*TRACE("guid = {%s}\n", strguid);*/
*(GUID*)buf->value = class_id;
}
break;
case TOKEN_STRING:
{
DWORD count;
WORD tmp_token;
char strname[100];
if (!read_bytes(buf, &count, 4))
return 0;
if (!read_bytes(buf, strname, count))
return 0;
strname[count] = 0;
if (!read_bytes(buf, &tmp_token, 2))
return 0;
if ((tmp_token != TOKEN_COMMA) && (tmp_token != TOKEN_SEMICOLON))
ERR("No comma or semicolon (got %d)\n", tmp_token);
/*TRACE("name = %s\n", strname);*/
strcpy((char*)buf->value, strname);
token = TOKEN_LPSTR;
}
break;
case TOKEN_OBRACE:
case TOKEN_CBRACE:
case TOKEN_OPAREN:
case TOKEN_CPAREN:
case TOKEN_OBRACKET:
case TOKEN_CBRACKET:
case TOKEN_OANGLE:
case TOKEN_CANGLE:
case TOKEN_DOT:
case TOKEN_COMMA:
case TOKEN_SEMICOLON:
case TOKEN_TEMPLATE:
case TOKEN_WORD:
case TOKEN_DWORD:
case TOKEN_FLOAT:
case TOKEN_DOUBLE:
case TOKEN_CHAR:
case TOKEN_UCHAR:
case TOKEN_SWORD:
case TOKEN_SDWORD:
case TOKEN_VOID:
case TOKEN_LPSTR:
case TOKEN_UNICODE:
case TOKEN_CSTRING:
case TOKEN_ARRAY:
break;
default:
return 0;
}
}
dump_TOKEN(token);
return token;
}
static WORD get_TOKEN(parse_buffer * buf)
{
if (buf->token_present)
{
buf->token_present = FALSE;
return buf->current_token;
}
buf->current_token = parse_TOKEN(buf);
return buf->current_token;
}
static WORD check_TOKEN(parse_buffer * buf)
{
if (buf->token_present)
return buf->current_token;
buf->current_token = parse_TOKEN(buf);
buf->token_present = TRUE;
return buf->current_token;
}
static BOOL is_template_available(parse_buffer * buf)
{
return check_TOKEN(buf) == TOKEN_TEMPLATE;
}
static inline BOOL is_primitive_type(WORD token)
{
BOOL ret;
switch(token)
{
case TOKEN_WORD:
case TOKEN_DWORD:
case TOKEN_FLOAT:
case TOKEN_DOUBLE:
case TOKEN_CHAR:
case TOKEN_UCHAR:
case TOKEN_SWORD:
case TOKEN_SDWORD:
case TOKEN_LPSTR:
case TOKEN_UNICODE:
case TOKEN_CSTRING:
ret = 1;
break;
default:
ret = 0;
break;
}
return ret;
}
static BOOL parse_template_option_info(parse_buffer * buf)
{
xtemplate* cur_template = &buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates];
if (check_TOKEN(buf) == TOKEN_DOT)
{
get_TOKEN(buf);
if (get_TOKEN(buf) != TOKEN_DOT)
return FALSE;
if (get_TOKEN(buf) != TOKEN_DOT)
return FALSE;
cur_template->open = TRUE;
}
else
{
while (1)
{
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
strcpy(cur_template->children[cur_template->nb_children], (char*)buf->value);
if (check_TOKEN(buf) == TOKEN_GUID)
get_TOKEN(buf);
cur_template->nb_children++;
if (check_TOKEN(buf) != TOKEN_COMMA)
break;
get_TOKEN(buf);
}
cur_template->open = FALSE;
}
return TRUE;
}
static BOOL parse_template_members_list(parse_buffer * buf)
{
int idx_member = 0;
member* cur_member;
while (1)
{
BOOL array = 0;
int nb_dims = 0;
cur_member = &buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].members[idx_member];
if (check_TOKEN(buf) == TOKEN_ARRAY)
{
get_TOKEN(buf);
array = 1;
}
if (check_TOKEN(buf) == TOKEN_NAME)
{
cur_member->type = get_TOKEN(buf);
cur_member->idx_template = 0;
while (cur_member->idx_template < buf->pdxf->nb_xtemplates)
{
if (!strcasecmp((char*)buf->value, buf->pdxf->xtemplates[cur_member->idx_template].name))
break;
cur_member->idx_template++;
}
if (cur_member->idx_template == buf->pdxf->nb_xtemplates)
{
ERR("Reference to a nonexistent template '%s'\n", (char*)buf->value);
return FALSE;
}
}
else if (is_primitive_type(check_TOKEN(buf)))
cur_member->type = get_TOKEN(buf);
else
break;
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
strcpy(cur_member->name, (char*)buf->value);
if (array)
{
while (check_TOKEN(buf) == TOKEN_OBRACKET)
{
if (nb_dims >= MAX_ARRAY_DIM)
{
FIXME("Too many dimensions (%d) for multi-dimensional array\n", nb_dims + 1);
return FALSE;
}
get_TOKEN(buf);
if (check_TOKEN(buf) == TOKEN_INTEGER)
{
get_TOKEN(buf);
cur_member->dim_fixed[nb_dims] = TRUE;
cur_member->dim_value[nb_dims] = *(DWORD*)buf->value;
}
else
{
int i;
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
for (i = 0; i < idx_member; i++)
{
if (!strcmp((char*)buf->value, buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].members[i].name))
{
if (buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].members[i].nb_dims)
{
ERR("Array cannot be used to specify variable array size\n");
return FALSE;
}
if (buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].members[i].type != TOKEN_DWORD)
{
FIXME("Only DWORD supported to specify variable array size\n");
return FALSE;
}
break;
}
}
if (i == idx_member)
{
ERR("Reference to unknown member %s\n", (char*)buf->value);
return FALSE;
}
cur_member->dim_fixed[nb_dims] = FALSE;
cur_member->dim_value[nb_dims] = i;
}
if (get_TOKEN(buf) != TOKEN_CBRACKET)
return FALSE;
nb_dims++;
}
if (!nb_dims)
return FALSE;
cur_member->nb_dims = nb_dims;
}
if (get_TOKEN(buf) != TOKEN_SEMICOLON)
return FALSE;
idx_member++;
}
buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].nb_members = idx_member;
return TRUE;
}
static BOOL parse_template_parts(parse_buffer * buf)
{
if (!parse_template_members_list(buf))
return FALSE;
if (check_TOKEN(buf) == TOKEN_OBRACKET)
{
get_TOKEN(buf);
if (!parse_template_option_info(buf))
return FALSE;
if (get_TOKEN(buf) != TOKEN_CBRACKET)
return FALSE;
}
return TRUE;
}
static void go_to_next_definition(parse_buffer * buf)
{
char c;
while (buf->rem_bytes)
{
if (!read_bytes(buf, &c, 1))
return;
if ((c == '#') || (c == '/'))
{
/* Handle comment (# or //) */
if (c == '/')
{
if (!read_bytes(buf, &c, 1))
return;
if (c != '/')
return;
}
c = 0;
while (c != 0x0A)
{
if (!read_bytes(buf, &c, 1))
return;
}
continue;
}
else if (!is_space(c))
{
rewind_bytes(buf, 1);
break;
}
}
}
static BOOL parse_template(parse_buffer * buf)
{
if (get_TOKEN(buf) != TOKEN_TEMPLATE)
return FALSE;
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
strcpy(buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].name, (char*)buf->value);
if (get_TOKEN(buf) != TOKEN_OBRACE)
return FALSE;
if (get_TOKEN(buf) != TOKEN_GUID)
return FALSE;
buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].class_id = *(GUID*)buf->value;
if (!parse_template_parts(buf))
return FALSE;
if (get_TOKEN(buf) != TOKEN_CBRACE)
return FALSE;
if (buf->txt)
{
/* Go to the next template */
go_to_next_definition(buf);
}
TRACE("%d - %s - %s\n", buf->pdxf->nb_xtemplates, buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].name, debugstr_guid(&buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates].class_id));
buf->pdxf->nb_xtemplates++;
return TRUE;
}
BOOL parse_templates(parse_buffer * buf)
{
while (buf->rem_bytes && is_template_available(buf))
{
if (!parse_template(buf))
{
WARN("Template is not correct\n");
return FALSE;
}
else
{
TRACE("Template successfully parsed:\n");
if (TRACE_ON(d3dxof_parsing))
dump_template(buf->pdxf->xtemplates, &buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates - 1]);
}
}
return TRUE;
}
static BOOL check_buffer(parse_buffer * buf, ULONG size)
{
if ((buf->cur_pos_data + size) > buf->capacity)
{
LPBYTE pdata;
ULONG new_capacity = buf->capacity ? 2 * buf->capacity : 100000;
pdata = HeapAlloc(GetProcessHeap(), 0, new_capacity);
if (!pdata)
return FALSE;
memcpy(pdata, buf->pdata, buf->cur_pos_data);
HeapFree(GetProcessHeap(), 0, buf->pdata);
buf->capacity = new_capacity;
buf->pdata = pdata;
buf->pxo->root->pdata = pdata;
}
return TRUE;
}
static BOOL parse_object_parts(parse_buffer * buf, BOOL allow_optional);
static BOOL parse_object_members_list(parse_buffer * buf)
{
DWORD token;
int i;
xtemplate* pt = buf->pxt[buf->level];
for (i = 0; i < pt->nb_members; i++)
{
int k;
int nb_elems = 1;
buf->pxo->members[i].name = pt->members[i].name;
buf->pxo->members[i].start = buf->cur_pos_data;
for (k = 0; k < pt->members[i].nb_dims; k++)
{
if (pt->members[i].dim_fixed[k])
nb_elems *= pt->members[i].dim_value[k];
else
nb_elems *= *(DWORD*)(buf->pxo->root->pdata + buf->pxo->members[pt->members[i].dim_value[k]].start);
}
TRACE("Elements to consider: %d\n", nb_elems);
for (k = 0; k < nb_elems; k++)
{
if (buf->txt && k)
{
token = check_TOKEN(buf);
if (token == TOKEN_COMMA)
{
get_TOKEN(buf);
}
else
{
/* Allow comma omission */
if (!((token == TOKEN_FLOAT) || (token == TOKEN_INTEGER)))
return FALSE;
}
}
if (pt->members[i].type == TOKEN_NAME)
{
int j;
TRACE("Found sub-object %s\n", buf->pdxf->xtemplates[pt->members[i].idx_template].name);
buf->level++;
/* To do template lookup */
for (j = 0; j < buf->pdxf->nb_xtemplates; j++)
{
if (!strcasecmp(buf->pdxf->xtemplates[pt->members[i].idx_template].name, buf->pdxf->xtemplates[j].name))
{
buf->pxt[buf->level] = &buf->pdxf->xtemplates[j];
break;
}
}
if (j == buf->pdxf->nb_xtemplates)
{
ERR("Unknown template %s\n", (char*)buf->value);
buf->level--;
return FALSE;
}
TRACE("Enter %s\n", buf->pdxf->xtemplates[pt->members[i].idx_template].name);
if (!parse_object_parts(buf, FALSE))
{
buf->level--;
return FALSE;
}
buf->level--;
}
else
{
token = check_TOKEN(buf);
if (token == TOKEN_INTEGER)
{
get_TOKEN(buf);
TRACE("%s = %d\n", pt->members[i].name, *(DWORD*)buf->value);
/* Assume larger size */
if (!check_buffer(buf, 4))
return FALSE;
if (pt->members[i].type == TOKEN_WORD)
{
*(((WORD*)(buf->cur_pos_data + buf->pdata))) = (WORD)(*(DWORD*)buf->value);
buf->cur_pos_data += 2;
}
else if (pt->members[i].type == TOKEN_DWORD)
{
*(((DWORD*)(buf->cur_pos_data + buf->pdata))) = (DWORD)(*(DWORD*)buf->value);
buf->cur_pos_data += 4;
}
else
{
FIXME("Token %d not supported\n", pt->members[i].type);
return FALSE;
}
}
else if (token == TOKEN_FLOAT)
{
get_TOKEN(buf);
TRACE("%s = %f\n", pt->members[i].name, *(float*)buf->value);
if (!check_buffer(buf, 4))
return FALSE;
if (pt->members[i].type == TOKEN_FLOAT)
{
*(((float*)(buf->cur_pos_data + buf->pdata))) = (float)(*(float*)buf->value);
buf->cur_pos_data += 4;
}
else
{
FIXME("Token %d not supported\n", pt->members[i].type);
return FALSE;
}
}
else if (token == TOKEN_LPSTR)
{
get_TOKEN(buf);
TRACE("%s = %s\n", pt->members[i].name, (char*)buf->value);
if (!check_buffer(buf, sizeof(LPSTR)))
return FALSE;
if (pt->members[i].type == TOKEN_LPSTR)
{
int len = strlen((char*)buf->value) + 1;
if ((buf->cur_pstrings - buf->pstrings + len) > MAX_STRINGS_BUFFER)
{
FIXME("Buffer too small %p %p %d\n", buf->cur_pstrings, buf->pstrings, len);
return FALSE;
}
strcpy((char*)buf->cur_pstrings, (char*)buf->value);
*(((LPCSTR*)(buf->cur_pos_data + buf->pdata))) = (char*)buf->cur_pstrings;
buf->cur_pstrings += len;
buf->cur_pos_data += sizeof(LPSTR);
}
else
{
FIXME("Token %d not supported\n", pt->members[i].type);
return FALSE;
}
}
else
{
FIXME("Unexpected token %d\n", token);
return FALSE;
}
}
}
if (nb_elems && buf->txt && (check_TOKEN(buf) != TOKEN_CBRACE) && (check_TOKEN(buf) != TOKEN_NAME))
{
token = get_TOKEN(buf);
if ((token != TOKEN_SEMICOLON) && (token != TOKEN_COMMA))
return FALSE;
}
}
return TRUE;
}
static BOOL parse_object_parts(parse_buffer * buf, BOOL allow_optional)
{
buf->pxo->nb_children = 0;
if (!parse_object_members_list(buf))
return FALSE;
if (allow_optional)
{
buf->pxo->size = buf->cur_pos_data - buf->pxo->pos_data;
/* Skip trailing semicolon */
while (check_TOKEN(buf) == TOKEN_SEMICOLON)
get_TOKEN(buf);
while (1)
{
if (check_TOKEN(buf) == TOKEN_OBRACE)
{
int i, j;
get_TOKEN(buf);
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
if (get_TOKEN(buf) != TOKEN_CBRACE)
return FALSE;
TRACE("Found optional reference %s\n", (char*)buf->value);
for (i = 0; i < (buf->nb_pxo_globals+1); i++)
{
for (j = 0; j < (buf->pxo_globals[i])[0].nb_subobjects; j++)
{
if (!strcmp((buf->pxo_globals[i])[j].name, (char*)buf->value))
goto _exit;
}
}
_exit:
if (i == (buf->nb_pxo_globals+1))
{
ERR("Reference to unknown object %s\n", (char*)buf->value);
return FALSE;
}
if (buf->pxo->root->nb_subobjects >= MAX_SUBOBJECTS)
{
FIXME("Too many sub-objects\n");
return FALSE;
}
buf->pxo->children[buf->pxo->nb_children] = &buf->pxo_tab[buf->pxo->root->nb_subobjects++];
buf->pxo->children[buf->pxo->nb_children]->ptarget = &(buf->pxo_globals[i])[j];
buf->pxo->children[buf->pxo->nb_children]->binary = FALSE;
buf->pxo->nb_children++;
}
else if (check_TOKEN(buf) == TOKEN_NAME)
{
xobject* pxo = buf->pxo;
if (buf->pxo->root->nb_subobjects >= MAX_SUBOBJECTS)
{
FIXME("Too many sub-objects\n");
return FALSE;
}
buf->pxo = buf->pxo->children[buf->pxo->nb_children] = &buf->pxo_tab[buf->pxo->root->nb_subobjects++];
TRACE("Enter optional %s\n", (char*)buf->value);
buf->level++;
if (!parse_object(buf))
{
buf->level--;
return FALSE;
}
buf->level--;
buf->pxo = pxo;
buf->pxo->nb_children++;
}
else
break;
}
}
if (buf->pxo->nb_children > MAX_CHILDREN)
{
FIXME("Too many children %d\n", buf->pxo->nb_children);
return FALSE;
}
return TRUE;
}
BOOL parse_object(parse_buffer * buf)
{
int i;
buf->pxo->pos_data = buf->cur_pos_data;
buf->pxo->ptarget = NULL;
buf->pxo->binary = FALSE;
buf->pxo->root = buf->pxo_tab;
if (get_TOKEN(buf) != TOKEN_NAME)
return FALSE;
/* To do template lookup */
for (i = 0; i < buf->pdxf->nb_xtemplates; i++)
{
if (!strcasecmp((char*)buf->value, buf->pdxf->xtemplates[i].name))
{
buf->pxt[buf->level] = &buf->pdxf->xtemplates[i];
memcpy(&buf->pxo->type, &buf->pdxf->xtemplates[i].class_id, 16);
break;
}
}
if (i == buf->pdxf->nb_xtemplates)
{
ERR("Unknown template %s\n", (char*)buf->value);
return FALSE;
}
if (check_TOKEN(buf) == TOKEN_NAME)
{
get_TOKEN(buf);
strcpy(buf->pxo->name, (char*)buf->value);
}
else
buf->pxo->name[0] = 0;
if (get_TOKEN(buf) != TOKEN_OBRACE)
return FALSE;
if (check_TOKEN(buf) == TOKEN_GUID)
{
get_TOKEN(buf);
memcpy(&buf->pxo->class_id, buf->value, 16);
}
else
memset(&buf->pxo->class_id, 0, 16);
if (!parse_object_parts(buf, TRUE))
return FALSE;
if (get_TOKEN(buf) != TOKEN_CBRACE)
return FALSE;
if (buf->txt)
{
/* Go to the next object */
go_to_next_definition(buf);
}
return TRUE;
}
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