Sylpheed

%{

#include "defs.h"

#include <glib.h>

#include <ctype.h>

#include "procmsg.h"

#include "procmime.h"

#include "utils.h"

#include "quote_fmt.h"

#include "quote_fmt_lex.h"

/* decl */

/*

flex quote_fmt.l

bison -p quote_fmt quote_fmt.y

*/

int yylex(void);

static MsgInfo *msginfo = NULL;

static gboolean *visible = NULL;

static gint maxsize = 0;

static gint stacksize = 0;

static gchar *buffer = NULL;

static gint bufmax = 0;

static gint bufsize = 0;

static const gchar *quote_str = NULL;

static const gchar *body = NULL;

static gint error = 0;

static void add_visibility(gboolean val)

{

	stacksize++;

	if (maxsize < stacksize) {

		maxsize += 128;

		visible = g_realloc(visible, maxsize * sizeof(gboolean));

		if (visible == NULL)

			maxsize = 0;

	}

	visible[stacksize - 1] = val;

}

static void remove_visibility(void)

{

	stacksize--;

}

static void add_buffer(const gchar *s)

{

	gint len;

	len = strlen(s);

	if (bufsize + len + 1 > bufmax) {

		if (bufmax == 0)

			bufmax = 128;

		while (bufsize + len + 1 > bufmax)

			bufmax *= 2;

		buffer = g_realloc(buffer, bufmax);

	}

	strcpy(buffer + bufsize, s);

	bufsize += len;

}

#if 0

static void flush_buffer(void)

{

	if (buffer != NULL)

		*buffer = '\0';

	bufsize = 0;

}

#endif

gchar *quote_fmt_get_buffer(void)

{

	if (error != 0)

		return NULL;

	else

		return buffer;

}

#define INSERT(buf) \

	if (stacksize != 0 && visible[stacksize - 1]) \

		add_buffer(buf)

#define INSERT_CHARACTER(chr) \

	if (stacksize != 0 && visible[stacksize - 1]) { \

		gchar tmp[2]; \

		tmp[0] = (chr); \

		tmp[1] = '\0'; \

		add_buffer(tmp); \

	}

void quote_fmt_init(MsgInfo *info, const gchar *my_quote_str,

		    const gchar *my_body)

{

	quote_str = my_quote_str;

	body = my_body;

	msginfo = info;

	stacksize = 0;

	add_visibility(TRUE);

	if (buffer != NULL)

		*buffer = 0;

	bufsize = 0;

	error = 0;

}

void quote_fmterror(char *str)

{

	g_warning("Error: %s\n", str);

	error = 1;

}

int quote_fmtwrap(void)

{

	return 1;

}

static int isseparator(int ch)

{

	return isspace(ch) || ch == '.' || ch == '-';

}

%}

%union {

	char chr;

}

%token SHOW_NEWSGROUPS

%token SHOW_DATE SHOW_FROM SHOW_FULLNAME SHOW_FIRST_NAME

%token SHOW_SENDER_INITIAL SHOW_SUBJECT SHOW_TO SHOW_MESSAGEID

%token SHOW_PERCENT SHOW_CC SHOW_REFERENCES SHOW_MESSAGE

%token SHOW_QUOTED_MESSAGE SHOW_BACKSLASH SHOW_TAB

%token SHOW_QUOTED_MESSAGE_NO_SIGNATURE SHOW_MESSAGE_NO_SIGNATURE

%token SHOW_EOL SHOW_QUESTION_MARK SHOW_OPARENT SHOW_CPARENT

%token QUERY_DATE QUERY_FROM

%token QUERY_FULLNAME QUERY_SUBJECT QUERY_TO QUERY_NEWSGROUPS

%token QUERY_MESSAGEID QUERY_CC QUERY_REFERENCES

%token OPARENT CPARENT

%token CHARACTER

%start quote_fmt

%token <chr> CHARACTER

%type <chr> character

%%

quote_fmt:

	character_or_special_or_query_list;

character_or_special_or_query_list:

	character_or_special_or_query character_or_special_or_query_list

	| character_or_special_or_query ;

character_or_special_or_query:

	special

	| character

	{

		INSERT_CHARACTER($1);

	}

	| query ;

character:

	CHARACTER

	;

special:

	SHOW_NEWSGROUPS

	{

		if (msginfo->newsgroups)

			INSERT(msginfo->newsgroups);

	}

	| SHOW_DATE

	{

		if (msginfo->date)

			INSERT(msginfo->date);

	}

	| SHOW_FROM

	{

		if (msginfo->from)

			INSERT(msginfo->from);

	}

	| SHOW_FULLNAME

	{

		if (msginfo->fromname)

			INSERT(msginfo->fromname);

	}

	| SHOW_FIRST_NAME

	{

		if (msginfo->fromname) {

			guchar *p;

			gchar *str;

			str = alloca(strlen(msginfo->fromname) + 1);

			if (str != NULL) {

				strcpy(str, msginfo->fromname);

				p = str;

				while (*p && !isspace(*p)) p++;

				*p = '\0';

				INSERT(str);

			}

		}

	}

	| SHOW_SENDER_INITIAL

	{

#define MAX_SENDER_INITIAL 20

		if (msginfo->fromname) {

			gchar tmp[MAX_SENDER_INITIAL];

			guchar *p;

			gchar *cur;

			gint len = 0;

			p = msginfo->fromname;

			cur = tmp;

			while (*p) {

				if (*p && isalnum(*p)) {

					*cur = toupper(*p);

						cur++;

					len++;

					if (len >= MAX_SENDER_INITIAL - 1)

						break;

				} else

					break;

				while (*p && !isseparator(*p)) p++;

				while (*p && isseparator(*p)) p++;

			}

			*cur = '\0';

			INSERT(tmp);

		}

	}

	| SHOW_SUBJECT

	{

		if (msginfo->subject)

			INSERT(msginfo->subject);

	}

	| SHOW_TO

	{

		if (msginfo->to)

			INSERT(msginfo->to);

	}

	| SHOW_MESSAGEID

	{

		if (msginfo->msgid)

			INSERT(msginfo->msgid);

	}

	| SHOW_PERCENT

	{

		INSERT("%");

	}

	| SHOW_CC

	{

		if (msginfo->cc)

			INSERT(msginfo->cc);

	}

	| SHOW_REFERENCES

	{

		/* if (msginfo->references)

			INSERT(msginfo->references); */

	}

	| SHOW_MESSAGE

	{

		if (msginfo->folder || body) {

			gchar buf[BUFFSIZE];

			FILE *fp;

			if (body)

				fp = str_open_as_stream(body);

			else

				fp = procmime_get_first_text_content

					(msginfo, NULL);

			if (fp == NULL)

				g_warning("Can't get text part\n");

			else {

				while (fgets(buf, sizeof(buf), fp) != NULL) {

					strcrchomp(buf);

					INSERT(buf);

				}

				fclose(fp);

			}

		}

	}

	| SHOW_QUOTED_MESSAGE

	{

		if (msginfo->folder || body) {

			gchar buf[BUFFSIZE];

			FILE *fp;

			if (body)

				fp = str_open_as_stream(body);

			else

				fp = procmime_get_first_text_content

					(msginfo, NULL);

			if (fp == NULL)

				g_warning("Can't get text part\n");

			else {

				while (fgets(buf, sizeof(buf), fp) != NULL) {

					strcrchomp(buf);

					if (quote_str)

						INSERT(quote_str);

					INSERT(buf);

				}

				fclose(fp);

			}

		}

	}

	| SHOW_MESSAGE_NO_SIGNATURE

	{

		if (msginfo->folder || body) {

			gchar buf[BUFFSIZE];

			FILE *fp;

			if (body)

				fp = str_open_as_stream(body);

			else

				fp = procmime_get_first_text_content

					(msginfo, NULL);

			if (fp == NULL)

				g_warning("Can't get text part\n");

			else {

				while (fgets(buf, sizeof(buf), fp) != NULL) {

					strcrchomp(buf);

					if (strncmp(buf, "-- \n", 4) == 0)

						break;

					INSERT(buf);

				}

				fclose(fp);

			}

		}

	}

	| SHOW_QUOTED_MESSAGE_NO_SIGNATURE

	{

		if (msginfo->folder || body) {

			gchar buf[BUFFSIZE];

			FILE *fp;

			if (body)

				fp = str_open_as_stream(body);

			else

				fp = procmime_get_first_text_content

					(msginfo, NULL);

			if (fp == NULL)

				g_warning("Can't get text part\n");

			else {

				while (fgets(buf, sizeof(buf), fp) != NULL) {

					strcrchomp(buf);

					if (strncmp(buf, "-- \n", 4) == 0)

						break;

					if (quote_str)

						INSERT(quote_str);

					INSERT(buf);

				}

				fclose(fp);

			}

		}

	}

	| SHOW_BACKSLASH

	{

		INSERT("\\");

	}

	| SHOW_TAB

	{

		INSERT("\t");

	}

	| SHOW_EOL

	{

		INSERT("\n");

	}

	| SHOW_QUESTION_MARK

	{

		INSERT("?");

	}

	| SHOW_OPARENT

	{

		INSERT("{");

	}

	| SHOW_CPARENT

	{

		INSERT("}");

	};

query:

	QUERY_DATE

	{

		add_visibility(msginfo->date != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_FROM

	{

		add_visibility(msginfo->from != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_FULLNAME

	{

		add_visibility(msginfo->fromname != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_SUBJECT

	{

		add_visibility(msginfo->subject != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_TO

	{

		add_visibility(msginfo->to != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_NEWSGROUPS

	{

		add_visibility(msginfo->newsgroups != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_MESSAGEID

	{

		add_visibility(msginfo->msgid != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_CC

	{

		add_visibility(msginfo->cc != NULL);

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	}

	| QUERY_REFERENCES

	{

		/* add_visibility(msginfo->references != NULL); */

	}

	OPARENT quote_fmt CPARENT

	{

		remove_visibility();

	};