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pissircd/src/windows/rtf.c

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/************************************************************************
* IRC - Internet Relay Chat, windows/rtf.c
* Copyright (C) 2004 Dominick Meglio (codemastr)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "unrealircd.h"
#include "win.h"
unsigned char *RTFBuf;
#define MIRC_COLORS "{\\colortbl;\\red255\\green255\\blue255;\\red0\\green0\\blue127;\\red0\\green147\\blue0;\\red255\\green0\\blue0;\\red127\\green0\\blue0;\\red156\\green0\\blue156;\\red252\\green127\\blue0;\\red255\\green255\\blue0;\\red0\\green252\\blue0;\\red0\\green147\\blue147;\\red0\\green255\\blue255;\\red0\\green0\\blue252;\\red255\\green0\\blue255;\\red127\\green127\\blue127;\\red210\\green210\\blue210;\\red0\\green0\\blue0;}"
/* Splits the file up for the EM_STREAMIN message
* Parameters:
* dwCookie - The file information to split
* pbBuff - The output buffer
* cb - The size of pbBuff
* pcb - The total bytes written to bpBuff
* Returns:
* Returns 0 to indicate success
*/
DWORD CALLBACK SplitIt(DWORD_PTR dwCookie, LPBYTE pbBuff, LONG cb, LONG *pcb)
{
StreamIO *stream = (StreamIO*)dwCookie;
if (*stream->size == 0)
{
pcb = 0;
*stream->buffer = 0;
}
else if (cb <= *stream->size)
{
memcpy(pbBuff, *stream->buffer, cb);
*stream->buffer += cb;
*stream->size -= cb;
*pcb = cb;
}
else
{
memcpy(pbBuff, *stream->buffer, *stream->size);
*pcb = *stream->size;
*stream->size = 0;
}
return 0;
}
/* Reassembles the RTF buffer from EM_STREAMOUT
* Parameters:
* dwCookie - Unused
* pbBuff - The input buffer
* cb - The length of the input buffer
* pcb - The total bytes read from pbBuff
* Returns:
* 0 to indicate success
* Side Effects:
* RTFBuf contains the assembled RTF buffer
*/
DWORD CALLBACK BufferIt(DWORD_PTR dwCookie, LPBYTE pbBuff, LONG cb, LONG *pcb)
{
unsigned char *buf2;
static long size = 0;
if (!RTFBuf)
size = 0;
buf2 = safe_alloc(size+cb+1);
if (RTFBuf)
memcpy(buf2,RTFBuf,size);
memcpy(buf2+size,pbBuff,cb);
size += cb;
safe_free(RTFBuf);
RTFBuf = buf2;
pcb = &cb;
return 0;
}
/* Pushes a color onto the stack
* Parameters:
* color - The color to add to the stack
* stack - The stack to add the color to
*/
void ColorPush(unsigned char *color, IRCColor **stack)
{
IRCColor *t = safe_alloc(sizeof(IRCColor));
safe_strdup(t->color, color);
t->next = *stack;
(*stack) = t;
}
/* Pops a color off of the stack
* Parameters:
* stack - The stack to pop from
*/
void ColorPop(IRCColor **stack)
{
IRCColor *p = *stack;
if (!(*stack))
return;
safe_free(p->color);
*stack = p->next;
safe_free(p);
}
/* Completely empties the color stack
* Parameters:
* stack - The stack to empty
*/
void ColorEmpty(IRCColor **stack)
{
IRCColor *t, *next;
for (t = *stack; t; t = next)
{
next = t->next;
safe_free(t->color);
safe_free(t);
}
}
#define iseol(x) ((x) == '\r' || (x) == '\n')
/* Converts a string in RTF format to IRC codes
* Parameters:
* fd - The file descriptor to write to
* pbBuff - The buffer containing the RTF text
* cb - The length of the RTF text
*/
DWORD CALLBACK RTFToIRC(int fd, unsigned char *pbBuff, long cb)
{
unsigned char *buffer = safe_alloc(cb*2+2);
int colors[17], bold = 0, uline = 0, incolor = 0, inbg = 0;
int lastwascf = 0, lastwascf0 = 0;
int i = 0;
IRCColor *TextColors = NULL;
IRCColor *BgColors = NULL;
memset(buffer, 0, cb);
for (; *pbBuff; pbBuff++)
{
if (iseol(*pbBuff) || *pbBuff == '{' || *pbBuff == '}')
continue;
else if (*pbBuff == '\\')
{
/* RTF control sequence */
pbBuff++;
if (*pbBuff == '\\' || *pbBuff == '{' || *pbBuff == '}')
buffer[i++] = *pbBuff;
else if (*pbBuff == '\'')
{
/* Extended ASCII character */
unsigned char ltr, ultr[3];
ultr[0] = *(++pbBuff);
ultr[1] = *(++pbBuff);
ultr[2] = 0;
ltr = strtoul(ultr,NULL,16);
buffer[i++] = ltr;
}
else
{
int j;
char cmd[128];
/* Capture the control sequence */
for (j = 0; *pbBuff && *pbBuff != '\\' && !isspace(*pbBuff) &&
!iseol(*pbBuff); pbBuff++)
{
cmd[j++] = *pbBuff;
}
if (*pbBuff != ' ')
pbBuff--;
cmd[j] = 0;
if (!strcmp(cmd, "fonttbl{"))
{
/* Eat the parameter */
while (*pbBuff && *pbBuff != '}')
pbBuff++;
lastwascf = lastwascf0 = 0;
}
if (!strcmp(cmd, "colortbl"))
{
char color[128];
int k = 0, m = 1;
/* Capture the color table */
while (*pbBuff && !isalnum(*pbBuff))
pbBuff++;
for (; *pbBuff && *pbBuff != '}'; pbBuff++)
{
if (*pbBuff == ';')
{
color[k]=0;
if (!strcmp(color, "\\red255\\green255\\blue255"))
colors[m++] = 0;
else if (!strcmp(color, "\\red0\\green0\\blue0"))
colors[m++] = 1;
else if (!strcmp(color, "\\red0\\green0\\blue127"))
colors[m++] = 2;
else if (!strcmp(color, "\\red0\\green147\\blue0"))
colors[m++] = 3;
else if (!strcmp(color, "\\red255\\green0\\blue0"))
colors[m++] = 4;
else if (!strcmp(color, "\\red127\\green0\\blue0"))
colors[m++] = 5;
else if (!strcmp(color, "\\red156\\green0\\blue156"))
colors[m++] = 6;
else if (!strcmp(color, "\\red252\\green127\\blue0"))
colors[m++] = 7;
else if (!strcmp(color, "\\red255\\green255\\blue0"))
colors[m++] = 8;
else if (!strcmp(color, "\\red0\\green252\\blue0"))
colors[m++] = 9;
else if (!strcmp(color, "\\red0\\green147\\blue147"))
colors[m++] = 10;
else if (!strcmp(color, "\\red0\\green255\\blue255"))
colors[m++] = 11;
else if (!strcmp(color, "\\red0\\green0\\blue252"))
colors[m++] = 12;
else if (!strcmp(color, "\\red255\\green0\\blue255"))
colors[m++] = 13;
else if (!strcmp(color, "\\red127\\green127\\blue127"))
colors[m++] = 14;
else if (!strcmp(color, "\\red210\\green210\\blue210"))
colors[m++] = 15;
k=0;
}
else
color[k++] = *pbBuff;
}
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "tab"))
{
buffer[i++] = '\t';
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "par"))
{
if (bold || uline || incolor || inbg)
buffer[i++] = '\17';
buffer[i++] = '\r';
buffer[i++] = '\n';
if (!*(pbBuff+3) || *(pbBuff+3) != '}')
{
if (bold)
buffer[i++] = '\2';
if (uline)
buffer[i++] = '\37';
if (incolor)
{
buffer[i++] = '\3';
strcat(buffer, TextColors->color);
i += strlen(TextColors->color);
if (inbg)
{
buffer[i++] = ',';
strcat(buffer, BgColors->color);
i += strlen(BgColors->color);
}
}
else if (inbg)
{
buffer[i++] = '\3';
buffer[i++] = '0';
buffer[i++] = '1';
buffer[i++] = ',';
strcat(buffer, BgColors->color);
i += strlen(BgColors->color);
}
}
}
else if (!strcmp(cmd, "b"))
{
bold = 1;
buffer[i++] = '\2';
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "b0"))
{
bold = 0;
buffer[i++] = '\2';
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "ul"))
{
uline = 1;
buffer[i++] = '\37';
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "ulnone"))
{
uline = 0;
buffer[i++] = '\37';
lastwascf = lastwascf0 = 0;
}
else if (!strcmp(cmd, "cf0"))
{
lastwascf0 = 1;
lastwascf = 0;
}
else if (!strcmp(cmd, "highlight0"))
{
inbg = 0;
ColorPop(&BgColors);
buffer[i++] = '\3';
if (lastwascf0)
{
incolor = 0;
ColorPop(&TextColors);
lastwascf0 = 0;
}
else if (incolor)
{
strcat(buffer, TextColors->color);
i += strlen(TextColors->color);
buffer[i++] = ',';
buffer[i++] = '0';
buffer[i++] = '0';
}
lastwascf = lastwascf0 = 0;
}
else if (!strncmp(cmd, "cf", 2))
{
unsigned char number[3];
int num;
incolor = 1;
strcpy(number, &cmd[2]);
num = atoi(number);
buffer[i++] = '\3';
if (colors[num] < 10)
sprintf(number, "0%d", colors[num]);
else
sprintf(number, "%d", colors[num]);
ColorPush(number, &TextColors);
strcat(buffer,number);
i += strlen(number);
lastwascf = 1;
lastwascf0 = 0;
}
else if (!strncmp(cmd, "highlight", 9))
{
int num;
unsigned char number[3];
inbg = 1;
num = atoi(&cmd[9]);
if (colors[num] < 10)
sprintf(number, "0%d", colors[num]);
else
sprintf(number, "%d", colors[num]);
if (incolor && !lastwascf)
{
buffer[i++] = '\3';
strcat(buffer, TextColors->color);
i += strlen(TextColors->color);
}
else if (!incolor)
{
buffer[i++] = '\3';
buffer[i++] = '0';
buffer[i++] = '1';
}
buffer[i++] = ',';
strcat(buffer, number);
i += strlen(number);
ColorPush(number, &BgColors);
lastwascf = lastwascf0 = 0;
}
else
lastwascf = lastwascf0 = 0;
if (lastwascf0 && incolor)
{
incolor = 0;
ColorPop(&TextColors);
buffer[i++] = '\3';
}
}
}
else
{
lastwascf = lastwascf0 = 0;
buffer[i++] = *pbBuff;
}
}
write(fd, buffer, i);
close(fd);
ColorEmpty(&TextColors);
ColorEmpty(&BgColors);
return 0;
}
/* Determines the size of the buffer needed to convert IRC codes to RTF
* Parameters:
* buffer - The input buffer with IRC codes
* Returns:
* The lenght of the buffer needed to store the RTF translation
*/
int CountRTFSize(unsigned char *buffer) {
int size = 0;
char bold = 0, uline = 0, incolor = 0, inbg = 0, reverse = 0;
char *buf = buffer;
for (; *buf; buf++)
{
if (*buf == '{' || *buf == '}' || *buf == '\\')
size++;
else if (*buf == '\r')
{
if (*(buf+1) && *(buf+1) == '\n')
{
buf++;
if (bold)
size += 3;
if (uline)
size += 7;
if (incolor && !reverse)
size += 4;
if (inbg && !reverse)
size += 11;
if (reverse)
size += 15;
if (bold || uline || incolor || inbg || reverse)
size++;
bold = uline = incolor = inbg = reverse = 0;
size +=6;
continue;
}
}
else if (*buf == '\n')
{
if (bold)
size += 3;
if (uline)
size += 7;
if (incolor && !reverse)
size += 4;
if (inbg && !reverse)
size += 11;
if (reverse)
size += 15;
if (bold || uline || incolor || inbg || reverse)
size++;
bold = uline = incolor = inbg = reverse = 0;
size +=6;
continue;
}
else if (*buf == '\2')
{
if (bold)
size += 4;
else
size += 3;
bold = !bold;
continue;
}
else if (*buf == '\3' && reverse)
{
if (*(buf+1) && isdigit(*(buf+1)))
{
++buf;
if (*(buf+1) && isdigit(*(buf+1)))
++buf;
if (*(buf+1) && *(buf+1) == ',')
{
if (*(buf+2) && isdigit(*(buf+2)))
{
buf+=2;
if (*(buf+1) && isdigit(*(buf+1)))
++buf;
}
}
}
continue;
}
else if (*buf == '\3' && !reverse)
{
size += 3;
if (*(buf+1) && !isdigit(*(buf+1)))
{
incolor = 0;
size++;
if (inbg)
{
inbg = 0;
size += 11;
}
}
else if (*(buf+1))
{
unsigned char color[3];
int number;
color[0] = *(++buf);
color[1] = 0;
if (*(buf+1) && isdigit(*(buf+1)))
color[1] = *(++buf);
color[2] = 0;
number = atoi(color);
if (number == 99 || number == 1)
size += 2;
else if (number == 0)
size++;
else {
number %= 16;
_itoa(number, color, 10);
size += strlen(color);
}
color[2] = 0;
number = atoi(color);
if (*(buf+1) && *(buf+1) == ',')
{
if (*(buf+2) && isdigit(*(buf+2)))
{
size += 10;
buf++;
color[0] = *(++buf);
color[1] = 0;
if (*(buf+1) && isdigit(*(buf+1)))
color[1] = *(++buf);
color[2] = 0;
number = atoi(color);
if (number == 1)
size += 2;
else if (number == 0 || number == 99)
size++;
else
{
number %= 16;
_itoa(number, color, 10);
size += strlen(color);
}
inbg = 1;
}
}
incolor = 1;
}
size++;
continue;
}
else if (*buf == '\17')
{
if (bold)
size += 3;
if (uline)
size += 7;
if (incolor && !reverse)
size += 4;
if (inbg && !reverse)
size += 11;
if (reverse)
size += 15;
if (bold || uline || incolor || inbg || reverse)
size++;
bold = uline = incolor = inbg = reverse = 0;
continue;
}
else if (*buf == '\26')
{
if (reverse)
size += 16;
else
size += 17;
reverse = !reverse;
continue;
}
else if (*buf == '\37')
{
if (uline)
size += 8;
else
size += 4;
uline = !uline;
continue;
}
size++;
}
size += strlen("{\\rtf1\\ansi\\ansicpg1252\\deff0{\\fonttbl{\\f0\\fmodern\\fprq1\\"
"fcharset0 Fixedsys;}}\r\n"
MIRC_COLORS
"\\viewkind4\\uc1\\pard\\lang1033\\f0\\fs20")+1;
return (size);
}
/* Converts a string containing IRC codes to RTF
* Parameters:
* buffer - The input buffer containing IRC codes
* string - The output buffer in RTF
*/
void IRCToRTF(unsigned char *buffer, unsigned char *string)
{
unsigned char *tmp;
int i = 0;
short bold = 0, uline = 0, incolor = 0, inbg = 0, reverse = 0;
sprintf(string, "{\\rtf1\\ansi\\ansicpg1252\\deff0{\\fonttbl{\\f0\\fmodern\\fprq1\\"
"fcharset0 Fixedsys;}}\r\n"
MIRC_COLORS
"\\viewkind4\\uc1\\pard\\lang1033\\f0\\fs20");
i = strlen(string);
for (tmp = buffer; *tmp; tmp++)
{
if (*tmp == '{')
{
strcat(string, "\\{");
i+=2;
continue;
}
else if (*tmp == '}')
{
strcat(string, "\\}");
i+=2;
continue;
}
else if (*tmp == '\\')
{
strcat(string, "\\\\");
i+=2;
continue;
}
else if (*tmp == '\r')
{
if (*(tmp+1) && *(tmp+1) == '\n')
{
tmp++;
if (bold)
{
strcat(string, "\\b0 ");
i+=3;
}
if (uline)
{
strcat(string, "\\ulnone");
i+=7;
}
if (incolor && !reverse)
{
strcat(string, "\\cf0");
i+=4;
}
if (inbg && !reverse)
{
strcat(string, "\\highlight0");
i +=11;
}
if (reverse) {
strcat(string, "\\cf0\\highlight0");
i += 15;
}
if (bold || uline || incolor || inbg || reverse)
string[i++] = ' ';
bold = uline = incolor = inbg = reverse = 0;
strcat(string, "\\par\r\n");
i +=6;
}
else
string[i++]='\r';
continue;
}
else if (*tmp == '\n')
{
if (bold)
{
strcat(string, "\\b0 ");
i+=3;
}
if (uline)
{
strcat(string, "\\ulnone");
i+=7;
}
if (incolor && !reverse)
{
strcat(string, "\\cf0");
i+=4;
}
if (inbg && !reverse)
{
strcat(string, "\\highlight0");
i +=11;
}
if (reverse) {
strcat(string, "\\cf0\\highlight0");
i += 15;
}
if (bold || uline || incolor || inbg || reverse)
string[i++] = ' ';
bold = uline = incolor = inbg = reverse = 0;
strcat(string, "\\par\r\n");
i +=6;
continue;
}
else if (*tmp == '\2')
{
if (bold)
{
strcat(string, "\\b0 ");
i+=4;
}
else
{
strcat(string, "\\b ");
i+=3;
}
bold = !bold;
continue;
}
else if (*tmp == '\3' && reverse)
{
if (*(tmp+1) && isdigit(*(tmp+1)))
{
++tmp;
if (*(tmp+1) && isdigit(*(tmp+1)))
++tmp;
if (*(tmp+1) && *(tmp+1) == ',')
{
if (*(tmp+2) && isdigit(*(tmp+2)))
{
tmp+=2;
if (*(tmp+1) && isdigit(*(tmp+1)))
++tmp;
}
}
}
continue;
}
else if (*tmp == '\3' && !reverse)
{
strcat(string, "\\cf");
i += 3;
if (*(tmp+1) && !isdigit(*(tmp+1)))
{
incolor = 0;
string[i++] = '0';
if (inbg)
{
inbg = 0;
strcat(string, "\\highlight0");
i += 11;
}
}
else if (*(tmp+1))
{
unsigned char color[3];
int number;
color[0] = *(++tmp);
color[1] = 0;
if (*(tmp+1) && isdigit(*(tmp+1)))
color[1] = *(++tmp);
color[2] = 0;
number = atoi(color);
if (number == 99 || number == 1)
{
strcat(string, "16");
i += 2;
}
else if (number == 0)
{
strcat(string, "1");
i++;
}
else
{
number %= 16;
_itoa(number, color, 10);
strcat(string, color);
i += strlen(color);
}
if (*(tmp+1) && *(tmp+1) == ',')
{
if (*(tmp+2) && isdigit(*(tmp+2)))
{
strcat(string, "\\highlight");
i += 10;
tmp++;
color[0] = *(++tmp);
color[1] = 0;
if (*(tmp+1) && isdigit(*(tmp+1)))
color[1] = *(++tmp);
color[2] = 0;
number = atoi(color);
if (number == 1)
{
strcat(string, "16");
i += 2;
}
else if (number == 0 || number == 99)
string[i++] = '1';
else
{
number %= 16;
_itoa(number, color, 10);
strcat(string,color);
i += strlen(color);
}
inbg = 1;
}
}
incolor=1;
}
string[i++] = ' ';
continue;
}
else if (*tmp == '\17') {
if (uline) {
strcat(string, "\\ulnone");
i += 7;
}
if (bold) {
strcat(string, "\\b0");
i += 3;
}
if (incolor && !reverse) {
strcat(string, "\\cf0");
i += 4;
}
if (inbg && !reverse)
{
strcat(string, "\\highlight0");
i += 11;
}
if (reverse) {
strcat(string, "\\cf0\\highlight0");
i += 15;
}
if (uline || bold || incolor || inbg || reverse)
string[i++] = ' ';
uline = bold = incolor = inbg = reverse = 0;
continue;
}
else if (*tmp == '\26')
{
if (reverse)
{
strcat(string, "\\cf0\\highlight0 ");
i += 16;
}
else
{
strcat(string, "\\cf1\\highlight16 ");
i += 17;
}
reverse = !reverse;
continue;
}
else if (*tmp == '\37') {
if (uline) {
strcat(string, "\\ulnone ");
i += 8;
}
else {
strcat(string, "\\ul ");
i += 4;
}
uline = !uline;
continue;
}
string[i++] = *tmp;
}
strcat(string, "}");
return;
}
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