58 const unsigned int NUM_SIG_LINES = 4;
59 unsigned int count = 0;
61 while ((offset > 0) && (count <= NUM_SIG_LINES))
72 if (count > NUM_SIG_LINES)
98 const int *cnt = (
const int *) m1;
101 if (*cnt < stx->
first)
103 if (*cnt >= stx->
last)
123 static struct AttrColor last_color = { 0 };
131 last_color.
attrs = A_NORMAL;
134 if (lines[line_num].cont_line)
137 if (!cnt && c_markers)
193 matching_chunk = bsearch(&cnt, lines[m].syntax, lines[m].syntax_arr_size,
195 if (matching_chunk && (cnt >= matching_chunk->
first) &&
196 (cnt < matching_chunk->last))
205 matching_chunk = bsearch(&cnt, lines[m].
search, lines[m].search_arr_size,
207 if (matching_chunk && (cnt >= matching_chunk->
first) &&
208 (cnt < matching_chunk->last))
216 if (special & A_BOLD)
221 color.
attrs |= A_BOLD;
223 else if (special & A_UNDERLINE)
228 color.
attrs |= A_UNDERLINE;
261 lines[line_num + 1].
cid = lines[line_num].
cid;
262 (lines[line_num + 1].
syntax)[0].attr_color = (lines[line_num].syntax)[0].attr_color;
266 for (m = line_num; m >= 0; m--)
267 if (!lines[m].cont_line)
270 (lines[line_num + 1].
syntax)[0].first = m;
271 (lines[line_num + 1].
syntax)[0].last = (lines[line_num].cont_line) ?
272 cnt + (lines[line_num].
syntax)[0].last :
284 for (; (p[0] == q[0]) && (q[0] !=
'\0') && (p[0] !=
'\0') && (q[0] !=
'\a') &&
290 return (
int) (*p - *q);
324 bool is_quote =
false;
326 regmatch_t pmatch_internal[1] = { 0 };
329 pmatch = pmatch_internal;
334 regmatch_t smatch[1] = { 0 };
337 if (smatch[0].rm_so > 0)
339 char c = line[smatch[0].rm_so];
340 line[smatch[0].rm_so] = 0;
345 line[smatch[0].rm_so] = c;
368 if ((buflen > 0) && (pat[buflen - 1] ==
'\n'))
371 pat[buflen - 1] =
'\0';
377 struct RegexColorList *head = NULL;
379 bool null_rx =
false;
380 regmatch_t pmatch[1] = { 0 };
399 if (offset >= (buflen - has_nl))
412 if ((regexec(&color_line->
regex, pat + offset, 1, pmatch,
413 ((offset != 0) ? REG_NOTBOL : 0)) != 0))
422 if (pmatch[0].rm_eo == pmatch[0].rm_so)
431 if (lines[line_num].syntax_arr_size == SHRT_MAX)
436 if (++(lines[line_num].syntax_arr_size) > 1)
439 lines[line_num].syntax_arr_size,
struct TextSyntax);
443 memset(ts, 0,
sizeof(*ts));
447 pmatch[0].rm_so += offset;
448 pmatch[0].rm_eo += offset;
450 if (!found || (pmatch[0].rm_so < (lines[line_num].syntax)[i].
first) ||
451 ((pmatch[0].rm_so == (lines[line_num].syntax)[i].
first) &&
452 (pmatch[0].rm_eo > (lines[line_num].syntax)[i].
last)))
455 (lines[line_num].
syntax)[i].first = pmatch[0].rm_so;
456 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
458 else if ((pmatch[0].rm_so == (lines[line_num].syntax)[i].first) &&
459 (pmatch[0].rm_eo == (lines[line_num].syntax)[i].last))
462 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
463 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
464 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
475 }
while (found || null_rx);
478 pat[buflen - 1] =
'\n';
505 struct Line *lines,
int line_num,
int lines_used,
507 bool *force_redraw,
bool q_classify)
510 regmatch_t pmatch[1] = { 0 };
526 if ((line_num > 0) && ((buf[0] ==
' ') || (buf[0] ==
'\t')))
528 lines[line_num].
cid = lines[line_num - 1].
cid;
529 if (!c_header_color_partial)
532 (lines[line_num - 1].syntax)[0].attr_color;
544 if (!c_header_color_partial)
548 if (regexec(&color_line->
regex, buf, 0, NULL, 0) == 0)
556 if (lines[line_num].cont_header)
560 for (j = line_num - 1; j >= 0 && lines[j].
cont_header; j--)
562 lines[j].
cid = lines[line_num].
cid;
568 lines[j].
cid = lines[line_num].
cid;
571 *force_redraw =
true;
591 while ((i < lines_used) && (
check_sig(buf, lines, i - 1) == 0) &&
596 if (lines[i].syntax_arr_size)
604 else if (
check_sig(buf, lines, line_num - 1) == 0)
610 if (q_classify && !lines[line_num].quote)
613 pmatch[0].rm_eo - pmatch[0].rm_so,
614 force_redraw, q_level);
637 if ((nl > 0) && (buf[nl - 1] ==
'\n'))
645 bool null_rx =
false;
655 if (regexec(&color_line->
regex, buf + offset, 1, pmatch,
656 ((offset != 0) ? REG_NOTBOL : 0)) != 0)
661 if (pmatch[0].rm_eo != pmatch[0].rm_so)
665 if (++(lines[line_num].syntax_arr_size) > 1)
668 lines[line_num].syntax_arr_size,
struct TextSyntax);
672 memset(ts, 0,
sizeof(*ts));
676 pmatch[0].rm_so += offset;
677 pmatch[0].rm_eo += offset;
678 if (!found || (pmatch[0].rm_so < (lines[line_num].syntax)[i].
first) ||
679 ((pmatch[0].rm_so == (lines[line_num].syntax)[i].
first) &&
680 (pmatch[0].rm_eo > (lines[line_num].syntax)[i].
last)))
686 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
687 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
688 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
690 else if ((pmatch[0].rm_so == (lines[line_num].syntax)[i].first) &&
691 (pmatch[0].rm_eo == (lines[line_num].syntax)[i].last))
694 (lines[line_num].syntax)[i].attr_color, &color_line->
attr_color);
695 (lines[line_num].
syntax)[i].
first = pmatch[0].rm_so;
696 (lines[line_num].
syntax)[i].
last = pmatch[0].rm_eo;
711 }
while (found || null_rx);
741 if ((s[0] ==
'\010') && (s > src))
747 else if (s[1] &&
buf_len(dest))
765 else if (strip_markers && (s[0] ==
'\033') && (s[1] ==
']') &&
791static int fill_buffer(FILE *fp, LOFF_T *bytes_read, LOFF_T offset,
unsigned char **buf,
792 unsigned char **fmt,
size_t *blen,
int *buf_ready)
794 static int b_read = 0;
798 if (offset != *bytes_read)
813 *bytes_read = ftello(fp);
814 b_read = (int) (*bytes_read - offset);
822 *fmt = (
unsigned char *)
buf_strdup(stripped);
848 int cnt,
int *pspace,
int *pvch,
int *pcol,
849 int *pspecial,
int width,
struct AttrColorList *ansi_list)
853 size_t col = c_markers ? (*lines)[line_num].cont_line : 0;
855 int ch, vch, last_special = -1, special = 0, t;
857 mbstate_t mbstate = { 0 };
869 for (ch = 0, vch = 0; ch < cnt; ch += k, vch += k)
872 if (buf[ch] ==
'\033')
878 while ((cnt - ch >= 2) && (buf[ch] ==
'\033') && (buf[ch + 1] ==
']') &&
882 while (buf[ch++] !=
'\a')
891 k = mbrtowc(&wc, (
char *) buf + ch, cnt - ch, &mbstate);
895 memset(&mbstate, 0,
sizeof(mbstate));
897 if ((col + 4) > wrap_cols)
911 if ((wc == 0x200B) || (wc == 0x200C) || (wc == 0xFEFF))
928 mbstate_t mbstate1 = mbstate;
929 size_t k1 = mbrtowc(&wc1, (
char *) buf + ch + k, cnt - ch - k, &mbstate1);
931 (k1 > 0) && (wc1 ==
'\b'))
933 const size_t k2 = mbrtowc(&wc1, (
char *) buf + ch + k + k1,
934 cnt - ch - k - k1, &mbstate1);
943 special |= ((wc ==
'_') && (special & A_UNDERLINE)) ? A_UNDERLINE : A_BOLD;
945 else if ((wc ==
'_') || (wc1 ==
'_'))
947 special |= A_UNDERLINE;
948 wc = (wc1 ==
'_') ? wc : wc1;
959 k1 = mbrtowc(&wc1, (
char *) buf + ch + k, cnt - ch - k, &mbstate1);
964 special || last_special || (ansi->
attrs != A_NORMAL)))
967 last_special = special;
978 if (col + t > wrap_cols)
995 for (; col < t; col++)
1000 else if ((wc < 0x20) || (wc == 0x7f))
1002 if ((col + 2) > wrap_cols)
1008 else if (wc < 0x100)
1010 if ((col + 4) > wrap_cols)
1018 if ((col + 1) > wrap_cols)
1028 *pspecial = special;
1057 unsigned char *buf = NULL, *fmt = NULL;
1059 unsigned char *buf_ptr = NULL;
1060 int ch, vch, col, cnt, b_read;
1062 bool change_last =
false;
1065 const struct AttrColor *def_color = NULL;
1069 regmatch_t pmatch[1] = { 0 };
1086 memset(&((*
lines)[ch]), 0,
sizeof(
struct Line));
1087 (*lines)[ch].cid = -1;
1088 (*lines)[ch].search_arr_size = -1;
1090 ((*lines)[ch].syntax)[0].
first = -1;
1091 ((*lines)[ch].syntax)[0].last = -1;
1095 struct Line *
const cur_line = &(*lines)[line_num];
1100 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1107 if ((cur_line->
cont_line) && (line_num > 0))
1109 struct Line *
const old_line = &(*lines)[line_num - 1];
1110 cur_line->
cid = old_line->
cid;
1118 else if (buf[11] ==
'W')
1120 else if (buf[11] ==
'E')
1130 if (cur_line->
cid == -1)
1133 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1142 resolve_types(win_pager, (
char *) fmt, (
char *) buf, *lines, line_num, *lines_used,
1151 for (m = line_num + 1;
1152 m < *lines_used && (*lines)[m].offset && (*lines)[m].cont_line; m++)
1154 (*lines)[m].cid = cur_line->
cid;
1161 (!cur_line->
quote || (cur_line->
quote->
quote_n >= c_toggle_quoted_show_levels)))
1175 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1186 pmatch[0].rm_eo - pmatch[0].rm_so,
1187 force_redraw, q_level);
1197 if (
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready) < 0)
1206 while (regexec(search_re, (
char *) fmt + offset, 1, pmatch,
1207 (offset ? REG_NOTBOL : 0)) == 0)
1215 memset(ts, 0,
sizeof(*ts));
1221 pmatch[0].rm_so += offset;
1222 pmatch[0].rm_eo += offset;
1226 if (pmatch[0].rm_eo == pmatch[0].rm_so)
1229 offset = pmatch[0].rm_eo;
1235 if (!(flags &
MUTT_SHOW) && ((*lines)[line_num + 1].offset > 0))
1241 if ((flags &
MUTT_SHOWCOLOR) && *force_redraw && ((*lines)[line_num + 1].offset > 0))
1248 b_read =
fill_buffer(fp, bytes_read, cur_line->
offset, &buf, &fmt, &buflen, &buf_ready);
1257 cnt =
format_line(win_pager, lines, line_num, buf, flags, NULL, b_read, &ch,
1258 &vch, &col, &special, win_pager->
state.
cols, ansi_list);
1259 buf_ptr = buf + cnt;
1270 while (ch && ((buf[ch] ==
' ') || (buf[ch] ==
'\t') || (buf[ch] ==
'\r')))
1276 buf_ptr = buf + cnt;
1282 while ((*buf_ptr ==
' ') || (*buf_ptr ==
'\t'))
1286 if (*buf_ptr ==
'\r')
1288 if (*buf_ptr ==
'\n')
1291 if (((
int) (buf_ptr - buf) < b_read) && !(*lines)[line_num + 1].cont_line)
1292 append_line(*lines, line_num, (
int) (buf_ptr - buf));
1293 (*lines)[line_num + 1].offset = cur_line->
offset + (long) (buf_ptr - buf);
1309 format_line(win_pager, lines, line_num, buf, flags, &ansi, cnt, &ch, &vch,
1310 &col, &special, win_pager->
state.
cols, ansi_list);
1336 def_color = ((*lines)[m].syntax)[0].
attr_color;
1351 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.
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.
size_t buf_addch(struct Buffer *buf, char c)
Add a single character to a Buffer.
char * buf_strdup(const struct Buffer *buf)
Copy a Buffer's string.
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_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 coloured objects.
@ MT_COLOR_MARKERS
Pager: markers, line continuation.
@ MT_COLOR_MESSAGE
Informational message.
@ MT_COLOR_QUOTED0
Pager: quoted text, level 0.
@ 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_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.
bool mutt_isspace(int arg)
Wrapper for isspace(3)
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.
static void match_body_patterns(char *pat, struct Line *lines, int line_num)
Match body patterns, e.g.
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)
bool color_is_header(enum ColorId cid)
Colour is for an Email header.
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?
#define MUTT_MEM_CALLOC(n, type)
#define MUTT_MEM_REALLOC(pptr, n, type)
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_normal_backed_color_by_id(enum ColorId cid)
Set the colour and attributes by the Colour ID.
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 *row, int *col)
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.
int ansi_color_seq_length(const char *str)
Is this an ANSI escape sequence?
struct Buffer * buf_pool_get(void)
Get a Buffer from the pool.
void buf_pool_release(struct Buffer **ptr)
Return a Buffer to the pool.
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.
#define STAILQ_FOREACH(var, head, field)
#define COLOR_QUOTED(cid)
int attrs
Text 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.
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_SIGNATURE.
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.
void * wdata
Private data.
struct MuttWindow * parent
Parent 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.