command.c File Reference

Parse colour commands. More...

#include "config.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "parse/lib.h"
#include "attr.h"
#include "color.h"
#include "command2.h"
#include "debug.h"
#include "dump.h"
#include "globals.h"
#include "notify2.h"
#include "parse_color.h"
#include "regex4.h"
#include "simple2.h"

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Functions
void	get_colorid_name (unsigned int cid, struct Buffer *buf)
	Get the name of a Colour ID.
static enum CommandResult	parse_object (struct Buffer *buf, struct Buffer *s, enum ColorId *cid, struct Buffer *err)
	Identify a colour object.
static enum CommandResult	parse_uncolor_command (struct Buffer *buf, struct Buffer *s, struct Buffer *err, bool uncolor)
	Parse an 'uncolor' command.
static enum CommandResult	parse_color_command (struct Buffer *buf, struct Buffer *s, struct Buffer *err, parser_callback_t callback, bool color)
	Parse a 'color' command.
enum CommandResult	parse_uncolor (struct Buffer *buf, struct Buffer *s, intptr_t data, struct Buffer *err)
	Parse the 'uncolor' command - Implements Command::parse() -.
enum CommandResult	parse_unmono (struct Buffer *buf, struct Buffer *s, intptr_t data, struct Buffer *err)
	Parse the 'unmono' command - Implements Command::parse() -.
enum CommandResult	parse_color (struct Buffer *buf, struct Buffer *s, intptr_t data, struct Buffer *err)
	Parse the 'color' command - Implements Command::parse() -.
enum CommandResult	parse_mono (struct Buffer *buf, struct Buffer *s, intptr_t data, struct Buffer *err)
	Parse the 'mono' command - Implements Command::parse() -.

Variables
const struct Mapping	ColorFields []
	Mapping of colour names to their IDs.

Detailed Description

Parse colour commands.

Authors

• Pietro Cerutti
• Richard Russon
• Dennis Schön

Copyright

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 2 of the License, 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, see http://www.gnu.org/licenses/.

Definition in file command.c.

Function Documentation

get_colorid_name()

void get_colorid_name	(	unsigned int	cid,
		struct Buffer *	buf
	)

Get the name of a Colour ID.

Parameters

cid	Colour, e.g. MT_COLOR_HEADER
buf	Buffer for result

Definition at line 128 of file command.c.

{
  const char *name = mutt_map_get_name(cid, ColorFields);
  if (name)
    buf_addstr(buf, name);
  else
    buf_printf(buf, "UNKNOWN %d", cid);
}

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parse_object()

static enum CommandResult parse_object ( struct Buffer *  buf, struct Buffer *  s, enum ColorId *  cid, struct Buffer *  err  )

static

Identify a colour object.

Parameters

[in]	buf	Temporary Buffer space
[in]	s	Buffer containing string to be parsed
[out]	cid	Object type, e.g. MT_COLOR_TILDE
[out]	err	Buffer for error messages

Return values

CommandResult

Result e.g. MUTT_CMD_SUCCESS

Identify a colour object, e.g. "message", "compose header"

Definition at line 147 of file command.c.

{
  if (mutt_istr_equal(buf->data, "compose"))
  {
    if (!MoreArgs(s))
    {
      buf_printf(err, _("%s: too few arguments"), "color");
      return MUTT_CMD_WARNING;
    }
 
    struct Buffer *tmp = buf_pool_get();
    parse_extract_token(tmp, s, TOKEN_NO_FLAGS);
    buf_fix_dptr(buf);
    buf_add_printf(buf, "_%s", buf_string(tmp));
    buf_pool_release(&tmp);
  }
 
  int rc = mutt_map_get_value(buf->data, ColorFields);
  if (rc == -1)
  {
    buf_printf(err, _("%s: no such object"), buf->data);
    return MUTT_CMD_WARNING;
  }
  else
  {
    color_debug(LL_DEBUG5, "object: %s\n", mutt_map_get_name(rc, ColorFields));
  }
 
  *cid = rc;
  return MUTT_CMD_SUCCESS;
}

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parse_uncolor_command()

static enum CommandResult parse_uncolor_command ( struct Buffer *  buf, struct Buffer *  s, struct Buffer *  err, bool  uncolor  )

static

Parse an 'uncolor' command.

Parameters

buf	Temporary Buffer space
s	Buffer containing string to be parsed
err	Buffer for error messages
uncolor	If true, 'uncolor', else 'unmono'

Return values

CommandResult

Result e.g. MUTT_CMD_SUCCESS

Usage:

• uncolor index pattern [pattern...]
• unmono index pattern [pattern...]

Definition at line 192 of file command.c.

{
  if (OptNoCurses) // No GUI, so quietly discard the command
  {
    while (MoreArgs(s))
    {
      parse_extract_token(buf, s, TOKEN_NO_FLAGS);
    }
    return MUTT_CMD_SUCCESS;
  }
 
  parse_extract_token(buf, s, TOKEN_NO_FLAGS);
 
  if (mutt_str_equal(buf->data, "*"))
  {
    colors_reset();
    return MUTT_CMD_SUCCESS;
  }
 
  unsigned int cid = MT_COLOR_NONE;
  color_debug(LL_DEBUG5, "uncolor: %s\n", buf_string(buf));
  enum CommandResult rc = parse_object(buf, s, &cid, err);
  if (rc != MUTT_CMD_SUCCESS)
    return rc;
 
  if (cid == -1)
  {
    buf_printf(err, _("%s: no such object"), buf->data);
    return MUTT_CMD_ERROR;
  }
 
  if ((cid == MT_COLOR_STATUS) && !MoreArgs(s))
  {
    color_debug(LL_DEBUG5, "simple\n");
    simple_color_reset(cid); // default colour for the status bar
    return MUTT_CMD_SUCCESS;
  }
 
  if (!mutt_color_has_pattern(cid))
  {
    color_debug(LL_DEBUG5, "simple\n");
    simple_color_reset(cid);
    return MUTT_CMD_SUCCESS;
  }
 
  if (!MoreArgs(s))
  {
    if (regex_colors_parse_uncolor(cid, NULL, uncolor))
      return MUTT_CMD_SUCCESS;
    else
      return MUTT_CMD_ERROR;
  }
 
  do
  {
    parse_extract_token(buf, s, TOKEN_NO_FLAGS);
    if (mutt_str_equal("*", buf->data))
    {
      if (regex_colors_parse_uncolor(cid, NULL, uncolor))
        return MUTT_CMD_SUCCESS;
      else
        return MUTT_CMD_ERROR;
    }
 
    regex_colors_parse_uncolor(cid, buf->data, uncolor);
 
  } while (MoreArgs(s));
 
  return MUTT_CMD_SUCCESS;
}

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parse_color_command()

static enum CommandResult parse_color_command ( struct Buffer *  buf, struct Buffer *  s, struct Buffer *  err, parser_callback_t  callback, bool  color  )

static

Parse a 'color' command.

Parameters

buf	Temporary Buffer space
s	Buffer containing string to be parsed
err	Buffer for error messages
callback	Function to handle command - Implements parser_callback_t
color	If true "color", else "mono"

Return values

CommandResult

Result e.g. MUTT_CMD_SUCCESS

Usage:

• color OBJECT [ ATTRS ] FG BG [ REGEX ]
• mono OBJECT ATTRS [ REGEX ]

Definition at line 277 of file command.c.

{
  unsigned int match = 0;
  enum ColorId cid = MT_COLOR_NONE;
  enum CommandResult rc = MUTT_CMD_ERROR;
  struct AttrColor *ac = NULL;
 
  if (!MoreArgs(s))
  {
    if (StartupComplete)
    {
      color_dump();
      rc = MUTT_CMD_SUCCESS;
    }
    else
    {
      buf_printf(err, _("%s: too few arguments"), color ? "color" : "mono");
      rc = MUTT_CMD_WARNING;
    }
 
    goto done;
  }
 
  parse_extract_token(buf, s, TOKEN_NO_FLAGS);
  color_debug(LL_DEBUG5, "color: %s\n", buf_string(buf));
 
  rc = parse_object(buf, s, &cid, err);
  if (rc != MUTT_CMD_SUCCESS)
    goto done;
 
  ac = attr_color_new();
  rc = callback(buf, s, ac, err);
  if (rc != MUTT_CMD_SUCCESS)
    goto done;
 
  //------------------------------------------------------------------
  // Business Logic
 
  if ((ac->fg.type == CT_RGB) || (ac->bg.type == CT_RGB))
  {
#ifndef NEOMUTT_DIRECT_COLORS
    buf_printf(err, _("Direct colors support not compiled in: %s"), buf_string(s));
    return MUTT_CMD_ERROR;
#endif
 
    const bool c_color_directcolor = cs_subset_bool(NeoMutt->sub, "color_directcolor");
    if (!c_color_directcolor)
    {
      buf_printf(err, _("Direct colors support disabled: %s"), buf_string(s));
      return MUTT_CMD_ERROR;
    }
  }
 
  if ((ac->fg.color >= COLORS) || (ac->bg.color >= COLORS))
  {
    buf_printf(err, _("%s: color not supported by term"), buf_string(s));
    return MUTT_CMD_ERROR;
  }
 
  //------------------------------------------------------------------
 
  /* extract a regular expression if needed */
 
  if (mutt_color_has_pattern(cid) && (cid != MT_COLOR_STATUS))
  {
    color_debug(LL_DEBUG5, "regex needed\n");
    if (MoreArgs(s))
    {
      parse_extract_token(buf, s, TOKEN_NO_FLAGS);
    }
    else
    {
      buf_strcpy(buf, ".*");
    }
  }
 
  if (MoreArgs(s) && (cid != MT_COLOR_STATUS))
  {
    buf_printf(err, _("%s: too many arguments"), color ? "color" : "mono");
    rc = MUTT_CMD_WARNING;
    goto done;
  }
 
  if (regex_colors_parse_color_list(cid, buf->data, ac, &rc, err))
  {
    color_debug(LL_DEBUG5, "regex_colors_parse_color_list done\n");
    goto done;
    // do nothing
  }
  else if ((cid == MT_COLOR_STATUS) && MoreArgs(s))
  {
    color_debug(LL_DEBUG5, "status\n");
    /* 'color status fg bg' can have up to 2 arguments:
     * 0 arguments: sets the default status color (handled below by else part)
     * 1 argument : colorize pattern on match
     * 2 arguments: colorize nth submatch of pattern */
    parse_extract_token(buf, s, TOKEN_NO_FLAGS);
 
    if (MoreArgs(s))
    {
      struct Buffer *tmp = buf_pool_get();
      parse_extract_token(tmp, s, TOKEN_NO_FLAGS);
      if (!mutt_str_atoui_full(tmp->data, &match))
      {
        buf_printf(err, _("%s: invalid number: %s"), color ? "color" : "mono", tmp->data);
        buf_pool_release(&tmp);
        rc = MUTT_CMD_WARNING;
        goto done;
      }
      buf_pool_release(&tmp);
    }
 
    if (MoreArgs(s))
    {
      buf_printf(err, _("%s: too many arguments"), color ? "color" : "mono");
      rc = MUTT_CMD_WARNING;
      goto done;
    }
 
    rc = regex_colors_parse_status_list(cid, buf->data, ac, match, err);
    goto done;
  }
  else // Remaining simple colours
  {
    color_debug(LL_DEBUG5, "simple\n");
    if (simple_color_set(cid, ac))
      rc = MUTT_CMD_SUCCESS;
    else
      rc = MUTT_CMD_ERROR;
  }
 
  if (rc == MUTT_CMD_SUCCESS)
  {
    get_colorid_name(cid, buf);
    color_debug(LL_DEBUG5, "NT_COLOR_SET: %s\n", buf->data);
    struct EventColor ev_c = { cid, NULL };
    notify_send(ColorsNotify, NT_COLOR, NT_COLOR_SET, &ev_c);
  }
 
done:
  attr_color_free(&ac);
  return rc;
}

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Variable Documentation

ColorFields

const struct Mapping ColorFields[]

Mapping of colour names to their IDs.

Definition at line 55 of file command.c.