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/*
* windres.c
*
* Copyright (c) 2013, Frank Fesevur <ffes(at)users.sourceforge.net>
*
* This source code is released for free distribution under the terms of the
* GNU General Public License version 2 or (at your option) any later version.
*
* This module contains functions for generating tags for Windows Resource files.
*/
#include "general.h"
#include <string.h>
#include <ctype.h>
#include "parse.h"
#include "read.h"
#include "routines.h"
static int _blockDepth = 0;
typedef enum _WindResKinds
{
K_NONE = -1,
K_DIALOG,
K_MENU,
K_ICON,
K_BITMAP,
K_CURSOR,
K_FONT,
K_VERSION,
K_ACCELERATORS
} ResKind;
static kindDefinition ResKinds [] = {
{ true, 'd', "dialog", "dialogs" },
{ true, 'm', "menu", "menus" },
{ true, 'i', "icon", "icons" },
{ true, 'b', "bitmap", "bitmaps" },
{ true, 'c', "cursor", "cursors" },
{ true, 'f', "font", "fonts" },
{ true, 'v', "version", "versions" },
{ true, 'a', "accelerators", "accelerators" }
};
typedef enum _WindResParserState
{
P_STATE_NONE,
P_STATE_IN_COMMENT,
P_STATE_IN_STATEMENTS, /* Between first line of item and BEGIN/{ */
P_STATE_IN_BLOCK, /* In a BEGIN/END or {/} block */
P_STATE_AT_END
} ResParserState;
static void makeResTag(vString *name, ResKind kind)
{
vStringStripTrailing(name);
makeSimpleTag(name, kind);
vStringClear(name);
}
static ResParserState parseResDefinition(const unsigned char *line)
{
ResParserState state = P_STATE_NONE;
vString *name, *type;
name = vStringNew();
while (*line && !isspace((int) *line))
{
vStringPut(name, (int) *line);
line++;
}
while (*line && isspace((int) *line))
line++;
type = vStringNew();
while (*line && !isspace((int) *line))
{
vStringPut(type, (int) *line);
line++;
}
if (strcmp(vStringValue(type), "DIALOG") == 0 || strcmp(vStringValue(type), "DIALOGEX") == 0)
{
makeResTag(name, K_DIALOG);
state = P_STATE_IN_STATEMENTS;
}
else if (strcmp(vStringValue(type), "MENU") == 0 || strcmp(vStringValue(type), "MENUEX") == 0)
{
makeResTag(name, K_MENU);
state = P_STATE_IN_STATEMENTS;
}
else if (strcmp(vStringValue(type), "VERSIONINFO") == 0)
{
makeResTag(name, K_VERSION);
state = P_STATE_IN_STATEMENTS;
}
else if (strcmp(vStringValue(type), "ACCELERATORS") == 0)
{
makeResTag(name, K_ACCELERATORS);
state = P_STATE_IN_STATEMENTS;
}
else if (strcmp(vStringValue(type), "ICON") == 0)
{
makeResTag(name, K_ICON);
state = P_STATE_NONE;
}
else if (strcmp(vStringValue(type), "CURSOR") == 0)
{
makeResTag(name, K_CURSOR);
state = P_STATE_NONE;
}
else if (strcmp(vStringValue(type), "BITMAP") == 0)
{
makeResTag(name, K_BITMAP);
state = P_STATE_NONE;
}
else if (strcmp(vStringValue(type), "FONT") == 0)
{
makeResTag(name, K_FONT);
state = P_STATE_NONE;
}
vStringDelete(name);
vStringDelete(type);
return state;
}
static ResParserState parseResLine(const unsigned char *line, ResParserState state)
{
while (*line != '\0') /* readLineFromInputFile returns NULL terminated strings */
{
while (isspace((int) *line))
line++;
switch (state)
{
case P_STATE_NONE:
{
/* C-styled # line (#include, #define, etc), ignore rest of line */
if (*line == '#')
{
return P_STATE_NONE;
}
/* single line comment, ignore rest of line */
else if (*line == '/' && line[1] == '/')
{
return P_STATE_NONE;
}
/* multi-line comment */
else if( *line == '/' && line[1] == '*' )
{
state = P_STATE_IN_COMMENT;
}
else if (isalnum((int) *line))
{
return parseResDefinition(line);
}
break;
}
case P_STATE_IN_COMMENT:
{
if (*line == '*' && line[1] == '/')
state = P_STATE_NONE;
break;
}
case P_STATE_IN_STATEMENTS:
{
/* First BEGIN block */
if (*line == '{' || strcmp((const char *) line, "BEGIN") == 0)
{
_blockDepth = 1;
return P_STATE_IN_BLOCK;
}
break;
}
case P_STATE_IN_BLOCK:
{
/* Nested BEGIN blocks? */
if (*line == '{' || strcmp((const char *) line, "BEGIN") == 0)
{
_blockDepth++;
}
else if (*line == '}' || strcmp((const char *) line, "END") == 0)
{
if (_blockDepth == 1)
return P_STATE_NONE;
else
_blockDepth--;
}
break;
}
case P_STATE_AT_END:
{
return state;
}
}
if (line == NULL)
return P_STATE_AT_END;
line++;
}
return state;
}
static void findResTags(void)
{
const unsigned char *line;
ResParserState state = P_STATE_NONE;
_blockDepth = 0;
while ((line = readLineFromInputFile()) != NULL)
{
state = parseResLine(line, state);
if (state == P_STATE_AT_END)
return;
}
}
/* parser definition */
extern parserDefinition* WindResParser(void)
{
static const char *const extensions [] = { "rc", NULL };
parserDefinition* def = parserNew("WindRes");
def->kindTable = ResKinds;
def->kindCount = ARRAY_SIZE(ResKinds);
def->extensions = extensions;
def->parser = findResTags;
return def;
}
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