56 const unsigned int NUM_SIG_LINES = 4;
57 unsigned int count = 0;
59 while ((offset > 0) && (count <= NUM_SIG_LINES))
70 if (count > NUM_SIG_LINES)
96 const int *cnt = (
const int *) m1;
99 if (*cnt < stx->
first)
101 if (*cnt >= stx->
last)
121 static struct AttrColor last_color = { 0 };
129 last_color.
attrs = 0;
132 if (lines[line_num].cont_line)
135 if (!cnt && c_markers)
191 matching_chunk = bsearch(&cnt, lines[m].syntax, lines[m].syntax_arr_size,
193 if (matching_chunk && (cnt >= matching_chunk->
first) &&
194 (cnt < matching_chunk->last))
203 matching_chunk = bsearch(&cnt, lines[m].
search, lines[m].search_arr_size,
205 if (matching_chunk && (cnt >= matching_chunk->
first) &&
206 (cnt < matching_chunk->last))
214 if (special & A_BOLD)
219 color.
attrs |= A_BOLD;
221 else if (special & A_UNDERLINE)
226 color.
attrs |= A_UNDERLINE;
228 else if (special & A_ITALIC)
233 color.
attrs |= A_ITALIC;
259 lines[line_num + 1].
cid = lines[line_num].
cid;
260 (lines[line_num + 1].
syntax)[0].attr_color = (lines[line_num].syntax)[0].attr_color;
264 for (m = line_num; m >= 0; m--)
265 if (!lines[m].cont_line)
268 (lines[line_num + 1].
syntax)[0].first = m;
269 (lines[line_num + 1].
syntax)[0].last = (lines[line_num].cont_line) ?
270 cnt + (lines[line_num].
syntax)[0].last :
282 for (; (p[0] == q[0]) && (q[0] !=
'\0') && (p[0] !=
'\0') && (q[0] !=
'\a') &&
288 return (
int) (*p - *q);
322 bool is_quote =
false;
324 regmatch_t pmatch_internal[1];
327 pmatch = pmatch_internal;
332 regmatch_t smatch[1];
335 if (smatch[0].rm_so > 0)
337 char c = line[smatch[0].rm_so];
338 line[smatch[0].rm_so] = 0;
343 line[smatch[0].rm_so] = c;
369 struct Line *lines,
int line_num,
int lines_used,
371 bool *force_redraw,
bool q_classify)
374 struct RegexColorList *head = NULL;
375 regmatch_t pmatch[1];
393 if ((line_num > 0) && ((buf[0] ==
' ') || (buf[0] ==
'\t')))
395 lines[line_num].
cid = lines[line_num - 1].
cid;
396 if (!c_header_color_partial)
398 (lines[line_num].
syntax)[0].attr_color =
399 (lines[line_num - 1].syntax)[0].attr_color;
411 if (!c_header_color_partial)
415 if (regexec(&color_line->
regex, buf, 0, NULL, 0) == 0)
422 lines[line_num].syntax[0].attr_color, &color_line->
attr_color);
423 if (lines[line_num].cont_header)
427 for (j = line_num - 1; j >= 0 && lines[j].
cont_header; --j)
429 lines[j].
cid = lines[line_num].
cid;
435 lines[j].
cid = lines[line_num].
cid;
438 *force_redraw =
true;
458 while ((i < lines_used) && (
check_sig(buf, lines, i - 1) == 0) &&
463 if (lines[i].syntax_arr_size)
471 else if (
check_sig(buf, lines, line_num - 1) == 0)
477 if (q_classify && !lines[line_num].quote)
480 pmatch[0].rm_eo - pmatch[0].rm_so,
481 force_redraw, q_level);
499 if ((nl > 0) && (buf[nl - 1] ==
'\n'))
530 if ((regexec(&color_line->
regex, buf + offset, 1, pmatch,
531 ((offset != 0) ? REG_NOTBOL : 0)) != 0))
540 if (pmatch[0].rm_eo == pmatch[0].rm_so)
549 if (lines[line_num].syntax_arr_size == SHRT_MAX)
554 if (++(lines[line_num].syntax_arr_size) > 1)
557 (lines[line_num].syntax_arr_size) *
sizeof(
struct TextSyntax));
561 memset(ts, 0,
sizeof(*ts));
565 pmatch[0].rm_so += offset;
566 pmatch[0].rm_eo += offset;
568 if (!found || (pmatch[0].rm_so < (lines[line_num].syntax)[i].
first) ||
569 ((pmatch[0].rm_so == (lines[line_num].syntax)[i].
first) &&
570 (pmatch[0].rm_eo > (lines[line_num].syntax)[i].
last)))
573 (lines[line_num].
syntax)[i].first = pmatch[0].rm_so;
574 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
576 else if ((pmatch[0].rm_so == (lines[line_num].syntax)[i].first) &&
577 (pmatch[0].rm_eo == (lines[line_num].syntax)[i].last))
580 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
581 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
582 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
593 }
while (found || null_rx);
605 if ((nl > 0) && (buf[nl - 1] ==
'\n'))
621 if (regexec(&color_line->
regex, buf + offset, 1, pmatch,
622 ((offset != 0) ? REG_NOTBOL : 0)) != 0)
627 if (pmatch[0].rm_eo != pmatch[0].rm_so)
631 if (++(lines[line_num].syntax_arr_size) > 1)
634 (lines[line_num].syntax_arr_size) *
sizeof(
struct TextSyntax));
638 memset(ts, 0,
sizeof(*ts));
642 pmatch[0].rm_so += offset;
643 pmatch[0].rm_eo += offset;
644 if (!found || (pmatch[0].rm_so < (lines[line_num].syntax)[i].
first) ||
645 ((pmatch[0].rm_so == (lines[line_num].syntax)[i].
first) &&
646 (pmatch[0].rm_eo > (lines[line_num].syntax)[i].
last)))
652 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
653 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
654 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
656 else if ((pmatch[0].rm_so == (lines[line_num].syntax)[i].first) &&
657 (pmatch[0].rm_eo == (lines[line_num].syntax)[i].last))
660 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
661 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
662 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
677 }
while (found || null_rx);
707 if ((s[0] ==
'\010') && (s > src))
713 else if (s[1] &&
buf_len(dest))
731 else if (strip_markers && (s[0] ==
'\033') && (s[1] ==
']') &&
757static int fill_buffer(FILE *fp, LOFF_T *bytes_read, LOFF_T offset,
unsigned char **buf,
758 unsigned char **fmt,
size_t *blen,
int *buf_ready)
760 static int b_read = 0;
765 if (offset != *bytes_read)
780 *bytes_read = ftello(fp);
781 b_read = (int) (*bytes_read - offset);
789 *fmt = (
unsigned char *) stripped.
data;
814 int cnt,
int *pspace,
int *pvch,
int *pcol,
815 int *pspecial,
int width,
struct AttrColorList *ansi_list)
819 size_t col = c_markers ? (*lines)[line_num].cont_line : 0;
821 int ch, vch, last_special = -1, special = 0, t;
823 mbstate_t mbstate = { 0 };
831 for (ch = 0, vch = 0; ch < cnt; ch += k, vch += k)
834 if (buf[ch] ==
'\033')
836 int len =
ansi_color_parse((
const char *) buf + ch, ansi, ansi_list, !c_allow_ansi);
840 while ((cnt - ch >= 2) && (buf[ch] ==
'\033') && (buf[ch + 1] ==
']') &&
844 while (buf[ch++] !=
'\a')
853 k = mbrtowc(&wc, (
char *) buf + ch, cnt - ch, &mbstate);
857 memset(&mbstate, 0,
sizeof(mbstate));
859 if ((col + 4) > wrap_cols)
873 if ((wc == 0x200B) || (wc == 0x200C) || (wc == 0xFEFF))
890 mbstate_t mbstate1 = mbstate;
891 size_t k1 = mbrtowc(&wc1, (
char *) buf + ch + k, cnt - ch - k, &mbstate1);
893 (k1 > 0) && (wc1 ==
'\b'))
895 const size_t k2 = mbrtowc(&wc1, (
char *) buf + ch + k + k1,
896 cnt - ch - k - k1, &mbstate1);
905 special |= ((wc ==
'_') && (special & A_UNDERLINE)) ? A_UNDERLINE : A_BOLD;
907 else if ((wc ==
'_') || (wc1 ==
'_'))
909 special |= A_UNDERLINE;
910 wc = (wc1 ==
'_') ? wc : wc1;
921 k1 = mbrtowc(&wc1, (
char *) buf + ch + k, cnt - ch - k, &mbstate1);
926 special || last_special || ansi->
attrs))
928 resolve_color(win, *lines, line_num, vch, flags, special, ansi);
929 last_special = special;
940 if (col + t > wrap_cols)
957 for (; col < t; col++)
962 else if ((wc < 0x20) || (wc == 0x7f))
964 if ((col + 2) > wrap_cols)
972 if ((col + 4) > wrap_cols)
980 if ((col + 1) > wrap_cols)
1014 int line_num,
int *lines_used,
int *lines_max,
1016 bool *force_redraw, regex_t *search_re,
1017 struct MuttWindow *win_pager,
struct AttrColorList *ansi_list)
1019 unsigned char *buf = NULL, *fmt = NULL;
1021 unsigned char *buf_ptr = NULL;
1022 int ch, vch, col, cnt, b_read;
1024 bool change_last =
false;
1027 const struct AttrColor *def_color = NULL;
1031 regmatch_t pmatch[1];
1033 if (line_num == *lines_used)
1039 if (*lines_used == *lines_max)
1042 for (ch = *lines_used; ch < *lines_max; ch++)
1044 memset(&((*lines)[ch]), 0,
sizeof(
struct Line));
1045 (*lines)[ch].cid = -1;
1046 (*lines)[ch].search_arr_size = -1;
1048 ((*lines)[ch].syntax)[0].first = -1;
1049 ((*lines)[ch].syntax)[0].last = -1;
1053 struct Line *
const cur_line = &(*lines)[line_num];
1058 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1068 else if (buf[11] ==
'W')
1070 else if (buf[11] ==
'E')
1079 if (cur_line->
cid == -1)
1082 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1089 resolve_types(win_pager, (
char *) fmt, (
char *) buf, *lines, line_num, *lines_used,
1093 for (m = line_num + 1;
1094 m < *lines_used && (*lines)[m].offset && (*lines)[m].cont_line; m++)
1096 (*lines)[m].cid = cur_line->
cid;
1103 (!cur_line->
quote || (cur_line->
quote->
quote_n >= c_toggle_quoted_show_levels)))
1117 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1128 pmatch[0].rm_eo - pmatch[0].rm_so,
1129 force_redraw, q_level);
1139 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1148 while (regexec(search_re, (
char *) fmt + offset, 1, pmatch,
1149 (offset ? REG_NOTBOL : 0)) == 0)
1158 memset(ts, 0,
sizeof(*ts));
1164 pmatch[0].rm_so += offset;
1165 pmatch[0].rm_eo += offset;
1169 if (pmatch[0].rm_eo == pmatch[0].rm_so)
1172 offset = pmatch[0].rm_eo;
1178 if (!(flags &
MUTT_SHOW) && ((*lines)[line_num + 1].offset > 0))
1184 if ((flags &
MUTT_SHOWCOLOR) && *force_redraw && ((*lines)[line_num + 1].offset > 0))
1191 b_read =
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready);
1200 cnt =
format_line(win_pager, lines, line_num, buf, flags, NULL, b_read, &ch,
1201 &vch, &col, &special, win_pager->
state.
cols, ansi_list);
1202 buf_ptr = buf + cnt;
1208 if ((cnt < b_read) && (ch != -1) &&
1213 while (ch && ((buf[ch] ==
' ') || (buf[ch] ==
'\t') || (buf[ch] ==
'\r')))
1221 buf_ptr = buf + cnt;
1228 while ((*buf_ptr ==
' ') || (*buf_ptr ==
'\t'))
1233 if (*buf_ptr ==
'\r')
1235 if (*buf_ptr ==
'\n')
1238 if (((
int) (buf_ptr - buf) < b_read) && !(*lines)[line_num + 1].cont_line)
1239 append_line(*lines, line_num, (
int) (buf_ptr - buf));
1240 (*lines)[line_num + 1].offset = cur_line->
offset + (long) (buf_ptr - buf);
1256 format_line(win_pager, lines, line_num, buf, flags, &ansi, cnt, &ch, &vch,
1257 &col, &special, win_pager->
state.
cols, ansi_list);
1283 def_color = ((*lines)[m].syntax)[0].
attr_color;
1298 if (col < win_pager->state.cols)
int ansi_color_parse(const char *str, struct AnsiColor *ansi, struct AttrColorList *acl, bool dry_run)
Parse a string of ANSI escape sequence.
int ansi_color_seq_length(const char *str)
Is this an ANSI escape sequence?
bool attr_color_match(struct AttrColor *ac1, struct AttrColor *ac2)
Do the colours match?
struct AttrColor attr_color_copy(const struct AttrColor *ac)
Copy a colour.
size_t buf_len(const struct Buffer *buf)
Calculate the length of a Buffer.
void buf_reset(struct Buffer *buf)
Reset an existing Buffer.
struct Buffer * buf_init(struct Buffer *buf)
Initialise a new Buffer.
size_t buf_addch(struct Buffer *buf, char c)
Add a single character to a Buffer.
void buf_alloc(struct Buffer *buf, size_t new_size)
Make sure a buffer can store at least new_size bytes.
Color and attribute parsing.
struct RegexColorList * regex_colors_get_list(enum ColorId cid)
Return the RegexColorList for a colour id.
bool simple_color_is_header(enum ColorId cid)
Colour is for an Email header.
bool simple_color_is_set(enum ColorId cid)
Is the object coloured?
struct AttrColor * simple_color_get(enum ColorId cid)
Get the colour of an object by its ID.
ColorId
List of all colored objects.
@ MT_COLOR_MARKERS
Pager: markers, line continuation.
@ MT_COLOR_MESSAGE
Informational message.
@ MT_COLOR_QUOTED
Pager: quoted text.
@ MT_COLOR_HEADER
Message headers (takes a pattern)
@ MT_COLOR_STRIPE_EVEN
Stripes: even lines of the Help Page.
@ MT_COLOR_ERROR
Error message.
@ MT_COLOR_BOLD
Bold text.
@ MT_COLOR_BODY
Pager: highlight body of message (takes a pattern)
@ MT_COLOR_HDRDEFAULT
Header default colour.
@ MT_COLOR_NORMAL
Plain text.
@ MT_COLOR_ATTACH_HEADERS
MIME attachment test (takes a pattern)
@ MT_COLOR_SEARCH
Pager: search matches.
@ MT_COLOR_MESSAGE_LOG
Menu showing log messages.
@ MT_COLOR_ITALIC
Italic text.
@ MT_COLOR_STRIPE_ODD
Stripes: odd lines of the Help Page.
@ MT_COLOR_ATTACHMENT
MIME attachments text (entire line)
@ MT_COLOR_WARNING
Warning messages.
@ MT_COLOR_UNDERLINE
Underlined text.
@ MT_COLOR_SIGNATURE
Pager: signature lines.
const struct Regex * cs_subset_regex(const struct ConfigSubset *sub, const char *name)
Get a regex config item by name.
short cs_subset_number(const struct ConfigSubset *sub, const char *name)
Get a number config item by name.
bool cs_subset_bool(const struct ConfigSubset *sub, const char *name)
Get a boolean config item by name.
Convenience wrapper for the config headers.
Convenience wrapper for the core headers.
int mutt_addwch(struct MuttWindow *win, wchar_t wc)
Addwch would be provided by an up-to-date curses library.
static int format_line(struct MuttWindow *win, struct Line **lines, int line_num, unsigned char *buf, PagerFlags flags, struct AnsiColor *ansi, int cnt, int *pspace, int *pvch, int *pcol, int *pspecial, int width, struct AttrColorList *ansi_list)
Display a line of text in the pager.
static int check_protected_header_marker(const char *p)
Check that the unique marker is present.
bool mutt_is_quote_line(char *line, regmatch_t *pmatch)
Is a line of message text a quote?
static int fill_buffer(FILE *fp, LOFF_T *bytes_read, LOFF_T offset, unsigned char **buf, unsigned char **fmt, size_t *blen, int *buf_ready)
Fill a buffer from a file.
static int check_sig(const char *s, struct Line *info, int offset)
Check for an email signature.
void buf_strip_formatting(struct Buffer *dest, const char *src, bool strip_markers)
Removes ANSI and backspace formatting.
static int comp_syntax_t(const void *m1, const void *m2)
Search for a Syntax using bsearch(3)
static int check_attachment_marker(const char *p)
Check that the unique marker is present.
static void resolve_color(struct MuttWindow *win, struct Line *lines, int line_num, int cnt, PagerFlags flags, int special, struct AnsiColor *ansi)
Set the colour for a line of text.
static void resolve_types(struct MuttWindow *win, char *buf, char *raw, struct Line *lines, int line_num, int lines_used, struct QuoteStyle **quote_list, int *q_level, bool *force_redraw, bool q_classify)
Determine the style for a line of text.
int display_line(FILE *fp, LOFF_T *bytes_read, struct Line **lines, int line_num, int *lines_used, int *lines_max, PagerFlags flags, struct QuoteStyle **quote_list, int *q_level, bool *force_redraw, regex_t *search_re, struct MuttWindow *win_pager, struct AttrColorList *ansi_list)
Print a line on screen.
static void append_line(struct Line *lines, int line_num, int cnt)
Add a new Line to the array.
static int check_marker(const char *q, const char *p)
Check that the unique marker is present.
char * mutt_file_read_line(char *line, size_t *size, FILE *fp, int *line_num, ReadLineFlags flags)
Read a line from a file.
bool mutt_file_seek(FILE *fp, LOFF_T offset, int whence)
Wrapper for fseeko with error handling.
#define MUTT_RL_EOL
don't strip \n / \r\n
#define mutt_debug(LEVEL,...)
Convenience wrapper for the gui headers.
@ LL_DEBUG3
Log at debug level 3.
@ LL_DEBUG2
Log at debug level 2.
@ LL_DEBUG1
Log at debug level 1.
bool mutt_mb_is_display_corrupting_utf8(wchar_t wc)
Will this character corrupt the display?
void * mutt_mem_calloc(size_t nmemb, size_t size)
Allocate zeroed memory on the heap.
void mutt_mem_realloc(void *ptr, size_t size)
Resize a block of memory on the heap.
const struct AttrColor * merged_color_overlay(const struct AttrColor *base, const struct AttrColor *over)
Combine two colours.
bool CharsetIsUtf8
Is the user's current character set utf-8?
wchar_t ReplacementChar
When a Unicode character can't be displayed, use this instead.
#define ICONV_BUF_TOO_SMALL
Error value for iconv() - Buffer too small.
#define ICONV_ILLEGAL_SEQ
Error value for iconv() - Illegal sequence.
Convenience wrapper for the library headers.
bool mutt_regex_capture(const struct Regex *regex, const char *str, size_t nmatch, regmatch_t matches[])
Match a regex against a string, with provided options.
const char * state_attachment_marker(void)
Get a unique (per-run) ANSI string to mark PGP messages in an email.
const char * state_protected_header_marker(void)
Get a unique (per-run) ANSI string to mark protected headers in an email.
bool mutt_str_equal(const char *a, const char *b)
Compare two strings.
size_t mutt_str_startswith(const char *str, const char *prefix)
Check whether a string starts with a prefix.
size_t mutt_str_len(const char *a)
Calculate the length of a string, safely.
const struct AttrColor * mutt_curses_set_color_by_id(enum ColorId cid)
Set the colour and attributes by the colour id.
void mutt_curses_set_color(const struct AttrColor *ac)
Set the colour and attributes for text.
int mutt_window_printf(struct MuttWindow *win, const char *fmt,...)
Write a formatted string to a Window.
void mutt_window_get_coords(struct MuttWindow *win, int *col, int *row)
Get the cursor position in the Window.
int mutt_window_wrap_cols(int width, short wrap)
Calculate the wrap column for a given screen width.
void mutt_window_clrtoeol(struct MuttWindow *win)
Clear to the end of the line.
int mutt_window_addch(struct MuttWindow *win, int ch)
Write one character to a Window.
#define STAILQ_FOREACH(var, head, field)
struct QuoteStyle * qstyle_classify(struct QuoteStyle **quote_list, const char *qptr, size_t length, bool *force_redraw, int *q_level)
Find a style for a string.
int attrs
Attributes, e.g. A_BOLD.
const struct AttrColor * attr_color
Curses colour of text.
A curses colour and its attributes.
int attrs
Text attributes, e.g. A_BOLD.
struct CursesColor * curses_color
Underlying Curses colour.
String manipulation buffer.
char * dptr
Current read/write position.
char * data
Pointer to data.
A line of text in the pager.
short search_arr_size
Number of items in search array.
struct TextSyntax * search
Array of search text in the line.
bool cont_line
Continuation of a previous line (wrapped by NeoMutt)
short cid
Default line colour, e.g. MT_COLOR_QUOTED.
struct QuoteStyle * quote
Quoting style for this line (pointer into PagerPrivateData->quote_list)
LOFF_T offset
Offset into Email file (PagerPrivateData->fp)
bool cont_header
Continuation of a header line (wrapped by MTA)
short syntax_arr_size
Number of items in syntax array.
struct TextSyntax * syntax
Array of coloured text in the line.
struct WindowState state
Current state of the Window.
Container for Accounts, Notifications.
struct ConfigSubset * sub
Inherited config items.
struct AttrColor * attr_color
Colour and attribute of the text.
size_t prefix_len
Length of the prefix string.
int quote_n
The quoteN colour index for this level.
A regular expression and a color to highlight a line.
regex_t regex
Compiled regex.
struct AttrColor attr_color
Colour and attributes to apply.
bool stop_matching
Used by the pager for body patterns, to prevent the color from being retried once it fails.
Cached regular expression.
Highlighting for a piece of text.
const struct AttrColor * attr_color
Curses colour of text.
int last
Last character in line to be coloured (not included)
int first
First character in line to be coloured.
short cols
Number of columns, can be MUTT_WIN_SIZE_UNLIMITED.