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hstr.c
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/*
hstr.c HSTR shell history completion utility
Copyright (C) 2014-2021 Martin Dvorak <martin.dvorak@mindforger.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#define _GNU_SOURCE
#include "include/hstr.h"
#define SELECTION_CURSOR_IN_PROMPT -1
#define SELECTION_PREFIX_MAX_LNG 512
#define CMDLINE_LNG 2048
#define HOSTNAME_BUFFER 128
#define PG_JUMP_SIZE 10
#define K_CTRL_A 1
#define K_CTRL_E 5
#define K_CTRL_F 6
#define K_CTRL_G 7
#define K_CTRL_H 8
#define K_CTRL_L 12
#define K_CTRL_J 10
#define K_CTRL_K 11
#define K_CTRL_N 14
#define K_CTRL_P 16
#define K_CTRL_R 18
#define K_CTRL_T 20
#define K_CTRL_U 21
#define K_CTRL_W 23
#define K_CTRL_X 24
#define K_CTRL_Z 26
#define K_CTRL_SLASH 31
#define K_ESC 27
#define K_TAB 9
#define K_BACKSPACE 127
#define K_ENTER 13
#define HSTR_THEME_MONO 0
#define HSTR_THEME_COLOR 1<<7
#define HSTR_THEME_LIGHT 1|HSTR_THEME_COLOR
#define HSTR_THEME_DARK 2|HSTR_THEME_COLOR
#define HSTR_COLOR_NORMAL 1
#define HSTR_COLOR_HIROW 2
#define HSTR_COLOR_INFO 2
#define HSTR_COLOR_PROMPT 3
#define HSTR_COLOR_DELETE 4
#define HSTR_COLOR_MATCH 5
#define HSTR_ENV_VAR_CONFIG "HSTR_CONFIG"
#define HSTR_ENV_VAR_PROMPT "HSTR_PROMPT"
#define HSTR_ENV_VAR_IS_SUBSHELL "HSTR_IS_SUBSHELL"
#define HSTR_CONFIG_THEME_MONOCHROMATIC "monochromatic"
#define HSTR_CONFIG_THEME_HICOLOR "hicolor"
#define HSTR_CONFIG_STATIC_FAVORITES "static-favorites"
#define HSTR_CONFIG_SKIP_FAVORITES_COMMENTS "skip-favorites-comments"
#define HSTR_CONFIG_FAVORITES "favorites-view"
#define HSTR_CONFIG_SORTING "raw-history-view"
#define HSTR_CONFIG_CASE "case-sensitive"
#define HSTR_CONFIG_REGEXP "regexp-matching"
#define HSTR_CONFIG_SUBSTRING "substring-matching"
#define HSTR_CONFIG_KEYWORDS "keywords-matching"
#define HSTR_CONFIG_NO_CONFIRM "no-confirm"
#define HSTR_CONFIG_VERBOSE_KILL "verbose-kill"
#define HSTR_CONFIG_PROMPT_BOTTOM "prompt-bottom"
#define HSTR_CONFIG_HELP_ON_OPPOSITE_SIDE "help-on-opposite-side"
#define HSTR_CONFIG_HIDE_BASIC_HELP "hide-basic-help"
#define HSTR_CONFIG_HIDE_HELP "hide-help"
#define HSTR_CONFIG_BLACKLIST "blacklist"
#define HSTR_CONFIG_KEEP_PAGE "keep-page"
#define HSTR_CONFIG_DEBUG "debug"
#define HSTR_CONFIG_WARN "warning"
#define HSTR_CONFIG_BIG_KEYS_SKIP "big-keys-skip"
#define HSTR_CONFIG_BIG_KEYS_FLOOR "big-keys-floor"
#define HSTR_CONFIG_BIG_KEYS_EXIT "big-keys-exit"
#define HSTR_CONFIG_DUPLICATES "duplicates"
#define HSTR_DEBUG_LEVEL_NONE 0
#define HSTR_DEBUG_LEVEL_WARN 1
#define HSTR_DEBUG_LEVEL_DEBUG 2
#define HSTR_VIEW_RANKING 0
#define HSTR_VIEW_HISTORY 1
#define HSTR_VIEW_FAVORITES 2
#define HSTR_MATCH_SUBSTRING 0
#define HSTR_MATCH_REGEXP 1
#define HSTR_MATCH_KEYWORDS 2
#define HSTR_NUM_HISTORY_MATCH 3
#define HSTR_CASE_INSENSITIVE 0
#define HSTR_CASE_SENSITIVE 1
#ifdef DEBUG_KEYS
#define LOGKEYS(Y,KEY) mvprintw(Y, 0, "Key: '%3d' / Char: '%c'", KEY, KEY); clrtoeol()
#else
#define LOGKEYS(Y,KEY)
#endif
#ifdef DEBUG_CURPOS
#define LOGCURSOR(Y) mvprintw(Y, 0, "X/Y: %3d / %3d", getcurx(stdscr), getcury(stdscr))
#else
#define LOGCURSOR(Y)
#endif
#ifdef DEBUG_UTF8
#define LOGUTF8(Y,P) mvprintw(Y, 0, "strlen() %zd, mbstowcs() %zd, hstr_strlen() %d",strlen(P),mbstowcs(NULL,P,0),hstr_strlen(P)); clrtoeol()
#else
#define LOGUTF8(Y,P)
#endif
#ifdef DEBUG_SELECTION
#define LOGSELECTION(Y,SCREEN,MODEL) mvprintw(Y, 0, "Selection: screen %3d, model %3d", SCREEN, MODEL); clrtoeol()
#else
#define LOGSELECTION(Y,SCREEN,MODEL)
#endif
// major.minor.revision
static const char* VERSION_STRING=
"hstr version \"2.5.0\" (2021-12-13T22:00:00)"
"\n";
static const char* HSTR_VIEW_LABELS[]={
"ranking",
"history",
"favorites"
};
static const char* HSTR_MATCH_LABELS[]={
"exact",
"regexp",
"keywords"
};
static const char* HSTR_CASE_LABELS[]={
"insensitive",
"sensitive"
};
static const char* INSTALL_BASH_STRING=
"\n# HSTR configuration - add this to ~/.bashrc"
"\nalias hh=hstr # hh to be alias for hstr"
"\nexport HSTR_CONFIG=hicolor # get more colors"
"\nshopt -s histappend # append new history items to .bash_history"
"\nexport HISTCONTROL=ignorespace # leading space hides commands from history"
"\nexport HISTFILESIZE=10000 # increase history file size (default is 500)"
"\nexport HISTSIZE=${HISTFILESIZE} # increase history size (default is 500)"
// PROMPT_COMMAND considerations:
// history -a ... append NEW entries from memory to .bash_history (i.e. flush to file where HSTR reads commands)
// history -n ... append NEW entries from .bash_history to memory i.e. NOT entire history reload
// history -c ... CLEAR in memory history (keeps .bash_history content)
// history -r ... append ALL entries from .bash_history to memory (useful to sync DIFFERENT bash sessions)
// Conclusion:
// -a -n ... Fastest and almost-consistent option i.e. there is efficiency/integrity trade-off.
// It works correctly if memory entries are not deleted by HSTR. It doesn't synchronize history
// across different bash sessions.
// -c -r ... Forces entire .bash_history to be reloaded (handles history deletes, synchronizes different bash sessions)
"\n# ensure synchronization between bash memory and history file"
"\nexport PROMPT_COMMAND=\"history -a; history -n; ${PROMPT_COMMAND}\""
"\n# if this is interactive shell, then bind hstr to Ctrl-r (for Vi mode check doc)"
#if defined(__MS_WSL__)
// IMPROVE commands are NOT executed on return under win10 > consider hstr_utils changes
// Script hints:
// {...} is inline group ~ lambda function whose vars are visible to the other commands
// V=$(c) executes commands and stores it to var V
"\nfunction hstrwsl {"
"\n offset=${READLINE_POINT}"
"\n READLINE_POINT=0"
"\n { READLINE_LINE=$(</dev/tty hstr ${READLINE_LINE:0:offset} 2>&1 1>&$hstrout); } {hstrout}>&1"
"\n READLINE_POINT=${#READLINE_LINE}"
"\n}"
"\nif [[ $- =~ .*i.* ]]; then bind -x '\"\\C-r\": \"hstrwsl\"'; fi"
#elif defined(__CYGWIN__)
"\nfunction hstrcygwin {"
"\n offset=${READLINE_POINT}"
"\n READLINE_POINT=0"
"\n { READLINE_LINE=$(</dev/tty hstr ${READLINE_LINE:0:offset} 2>&1 1>&$hstrout); } {hstrout}>&1"
"\n READLINE_POINT=${#READLINE_LINE}"
"\n}"
"\nif [[ $- =~ .*i.* ]]; then bind -x '\"\\C-r\": \"hstrcygwin\"'; fi"
#else
"\nif [[ $- =~ .*i.* ]]; then bind '\"\\C-r\": \"\\C-a hstr -- \\C-j\"'; fi"
"\n# if this is interactive shell, then bind 'kill last command' to Ctrl-x k"
"\nif [[ $- =~ .*i.* ]]; then bind '\"\\C-xk\": \"\\C-a hstr -k \\C-j\"'; fi"
#endif
"\n\n";
// zsh doc: http://zsh.sourceforge.net/Guide/zshguide.html
static const char* INSTALL_ZSH_STRING=
"\n# HSTR configuration - add this to ~/.zshrc"
"\nalias hh=hstr # hh to be alias for hstr"
"\nsetopt histignorespace # skip cmds w/ leading space from history"
// HISTFILE should not be needed - HSTR must work on blank environment as well
// "\nexport HISTFILE=~/.zsh_history # ensure history file visibility"
"\nexport HSTR_CONFIG=hicolor # get more colors"
#if defined(__MS_WSL__)
// TODO binding to be rewritten for zsh@WSL as it's done for bash - hstr_winwsl() like function to be implemented to make it work on WSL
"\n# Function and binding below is bash script that makes command completion work under WSL."
"\n# If you can rewrite the function and binding from bash to zsh please send it to martin.dvorak@mindforger.com"
"\n# so that I can share it with other users."
"\n#function hstr_winwsl {"
"\n# offset=${READLINE_POINT}"
"\n# READLINE_POINT=0"
"\n# { READLINE_LINE=$(</dev/tty hstr ${READLINE_LINE:0:offset} 2>&1 1>&$hstrout); } {hstrout}>&1"
"\n# READLINE_POINT=${#READLINE_LINE}"
"\n#}"
"\n#bindkey -s \"\\C-r\" \"\\eqhstr_winwsl\\n\""
"\n"
"\nbindkey -s \"\\C-r\" \"\\eqhstr\\n\" # bind hstr to Ctrl-r (for Vi mode check doc)"
#elif defined(__CYGWIN__)
// TODO binding to be rewritten for zsh@Cygwin as it's done for bash - hstr_cygwin() like function to be implemented to make it work under Cygwin
"\n# Function and binding below is bash script that makes command completion work under Cygwin."
"\n# If you can rewrite the function and binding from bash to zsh please send it to martin.dvorak@mindforger.com"
"\n# so that I can share it with other users."
"\n#function hstr_cygwin {"
"\n# offset=${READLINE_POINT}"
"\n# READLINE_POINT=0"
"\n# { READLINE_LINE=$(</dev/tty hstr ${READLINE_LINE:0:offset} 2>&1 1>&$hstrout); } {hstrout}>&1"
"\n# READLINE_POINT=${#READLINE_LINE}"
"\n#}"
"\n#bindkey -s \"\\C-r\" \"\\eqhstr_cygwin\\n\""
"\n"
"\nbindkey -s \"\\C-r\" \"\\eqhstr\\n\" # bind hstr to Ctrl-r (for Vi mode check doc)"
#else
"\nbindkey -s \"\\C-r\" \"\\C-a hstr -- \\C-j\" # bind hstr to Ctrl-r (for Vi mode check doc)"
#endif
// TODO try variant with args/pars separation
//"\nbindkey -s \"\\C-r\" \"\\eqhstr --\\n\" # bind hstr to Ctrl-r (for Vi mode check doc)"
// alternate binding options in zsh:
// bindkey -s '^R' '^Ahstr ^M'
// bindkey -s "\C-r" "\C-a hstr -- \C-j"
"\n\n";
static const char* HELP_STRING=
"Usage: hstr [option] [arg1] [arg2]..."
"\nShell history suggest box:"
"\n"
"\n --favorites -f ... show favorites view"
"\n --kill-last-command -k ... delete last command in history"
"\n --non-interactive -n ... print filtered history and exit"
"\n --show-configuration -s ... show configuration to be added to ~/.bashrc"
"\n --show-zsh-configuration -z ... show zsh configuration to be added to ~/.zshrc"
"\n --show-blacklist -b ... show commands to skip on history indexation"
"\n --insert-in-terminal=[c] -i ... insert command c in terminal prompt and exit"
"\n --version -V ... show version details"
"\n --help -h ... help"
"\n"
"\nReport bugs to martin.dvorak@mindforger.com"
"\nHome page: https://github.com/dvorka/hstr"
"\n";
// TODO help screen - curses window (tig)
static const char* LABEL_HELP=
"Type to filter, UP/DOWN move, RET/TAB select, DEL remove, C-f add favorite, C-g cancel";
#define GETOPT_NO_ARGUMENT 0
#define GETOPT_REQUIRED_ARGUMENT 1
#define GETOPT_OPTIONAL_ARGUMENT 2
static const struct option long_options[] = {
{"favorites", GETOPT_NO_ARGUMENT, NULL, 'f'},
{"kill-last-command", GETOPT_NO_ARGUMENT, NULL, 'k'},
{"version", GETOPT_NO_ARGUMENT, NULL, 'V'},
{"help", GETOPT_NO_ARGUMENT, NULL, 'h'},
{"non-interactive", GETOPT_NO_ARGUMENT, NULL, 'n'},
{"show-configuration", GETOPT_NO_ARGUMENT, NULL, 's'},
{"show-zsh-configuration", GETOPT_NO_ARGUMENT, NULL, 'z'},
{"show-blacklist", GETOPT_NO_ARGUMENT, NULL, 'b'},
{"insert-in-terminal", GETOPT_REQUIRED_ARGUMENT, NULL, 'i'},
{0, 0, NULL, 0 }
};
typedef struct {
HistoryItems* history;
FavoriteItems* favorites;
Blacklist blacklist;
HstrRegexp regexp;
char cmdline[CMDLINE_LNG];
char **selection;
unsigned selectionSize;
regmatch_t *selectionRegexpMatch;
bool interactive;
int matching;
int view;
int caseSensitive;
unsigned char theme;
bool noRawHistoryDuplicates;
bool keepPage; // do NOT clear page w/ selection on HSTR exit
bool noConfirm; // do NOT ask for confirmation on history entry delete
bool verboseKill; // write a message on delete of the last command in history
int bigKeys;
int debugLevel;
bool promptBottom;
bool helpOnOppositeSide;
bool hideBasicHelp;
bool hideHistoryHelp;
int promptY;
int promptYHelp;
int promptYHistory;
int promptYNotification;
int promptYItemsStart;
int promptYItemsEnd;
int promptItems;
bool noIoctl;
} Hstr;
static Hstr* hstr;
void hstr_init(void)
{
hstr->history=NULL;
hstr->favorites=malloc(sizeof(FavoriteItems));
favorites_init(hstr->favorites);
blacklist_init(&hstr->blacklist);
hstr_regexp_init(&hstr->regexp);
hstr->cmdline[0]=0;
hstr->selection=NULL;
hstr->selectionRegexpMatch=NULL;
hstr->selectionSize=0;
hstr->interactive=true;
hstr->matching=HSTR_MATCH_KEYWORDS;
hstr->view=HSTR_VIEW_RANKING;
hstr->caseSensitive=HSTR_CASE_INSENSITIVE;
hstr->theme=HSTR_THEME_MONO;
hstr->noRawHistoryDuplicates=true;
hstr->keepPage=false;
hstr->noConfirm=false;
hstr->verboseKill=false;
hstr->bigKeys=RADIX_BIG_KEYS_SKIP;
hstr->debugLevel=HSTR_DEBUG_LEVEL_NONE;
hstr->promptBottom=false;
hstr->helpOnOppositeSide=false;
hstr->hideBasicHelp=false;
hstr->hideHistoryHelp=false;
hstr->promptY
=hstr->promptYHelp
=hstr->promptYHistory
=hstr->promptYNotification
=hstr->promptYItemsStart
=hstr->promptYItemsEnd
=hstr->promptItems
=0;
hstr->noIoctl=false;
}
void hstr_destroy(void)
{
favorites_destroy(hstr->favorites);
hstr_regexp_destroy(&hstr->regexp);
// blacklist is allocated by hstr struct
blacklist_destroy(&hstr->blacklist, false);
prioritized_history_destroy(hstr->history);
if(hstr->selection) free(hstr->selection);
if(hstr->selectionRegexpMatch) free(hstr->selectionRegexpMatch);
free(hstr);
}
void hstr_exit(int status)
{
hstr_destroy();
exit(status);
}
void signal_callback_handler_ctrl_c(int signum)
{
if(signum==SIGINT) {
history_mgmt_flush();
hstr_curses_stop(false);
hstr_exit(signum);
}
}
unsigned recalculate_max_history_items(void)
{
int n = getmaxy(stdscr);
hstr->promptItems = n-1;
if(!hstr->hideBasicHelp) {
hstr->promptItems--;
}
if(!hstr->hideHistoryHelp) {
hstr->promptItems--;
}
if(hstr->promptBottom) {
if(hstr->helpOnOppositeSide) {
// Layout:
// - [basic help]
// - [history help]
// - items start
// - ...
// - items end
// - prompt
int top = 0;
hstr->promptY = n-1;
if(!hstr->hideBasicHelp) {
hstr->promptYHelp = top++;
}
if(!hstr->hideHistoryHelp) {
hstr->promptYHistory = top++;
}
hstr->promptYItemsStart = top++;
} else {
// Layout:
// - items start
// - ...
// - items end
// - [history help]
// - [basic help]
// - prompt
int bottom = n-1;
hstr->promptY = bottom--;
if(!hstr->hideBasicHelp) {
hstr->promptYHelp = bottom--;
}
if(!hstr->hideHistoryHelp) {
hstr->promptYHistory = bottom--;
}
hstr->promptYItemsStart = 0;
}
} else {
if(hstr->helpOnOppositeSide) {
// Layout:
// - prompt
// - items start
// - ...
// - items end
// - [history help]
// - [basic help]
int bottom = n-1;
hstr->promptY = 0;
if(!hstr->hideBasicHelp) {
hstr->promptYHelp = bottom--;
}
if(!hstr->hideHistoryHelp) {
hstr->promptYHistory = bottom--;
}
hstr->promptYItemsStart = 1;
} else {
// Layout:
// - prompt
// - [basic help]
// - [history help]
// - items start
// - ...
// - items end
int top = 0;
hstr->promptY = top++;
if(!hstr->hideBasicHelp) {
hstr->promptYHelp = top++;
}
if(!hstr->hideHistoryHelp) {
hstr->promptYHistory = top++;
}
hstr->promptYItemsStart = top++;
}
}
hstr->promptYItemsEnd = hstr->promptYItemsStart+hstr->promptItems-1;
if(!hstr->hideBasicHelp) {
// Use basic help label for notifications.
hstr->promptYNotification = hstr->promptYHelp;
}
else {
// If basic help is hidden, we need another place to put notifications to.
if(hstr->hideBasicHelp) {
if(!hstr->hideHistoryHelp) {
// Use history help label.
hstr->promptYHelp = hstr->promptYHistory;
} else {
// Use one of the command item lines.
if((hstr->promptBottom && hstr->helpOnOppositeSide) || (!hstr->promptBottom && !hstr->helpOnOppositeSide)) {
hstr->promptYHelp = hstr->promptYItemsStart;
} else {
hstr->promptYHelp = hstr->promptYItemsEnd;
}
}
}
}
return hstr->promptItems;
}
void hstr_get_env_configuration()
{
char *hstr_config=getenv(HSTR_ENV_VAR_CONFIG);
if(hstr_config && strlen(hstr_config)>0) {
if(strstr(hstr_config,HSTR_CONFIG_THEME_MONOCHROMATIC)) {
hstr->theme=HSTR_THEME_MONO;
} else {
if(strstr(hstr_config,HSTR_CONFIG_THEME_HICOLOR)) {
hstr->theme=HSTR_THEME_DARK;
}
}
if(strstr(hstr_config,HSTR_CONFIG_CASE)) {
hstr->caseSensitive=HSTR_CASE_SENSITIVE;
}
if(strstr(hstr_config,HSTR_CONFIG_REGEXP)) {
hstr->matching=HSTR_MATCH_REGEXP;
} else {
if(strstr(hstr_config,HSTR_CONFIG_SUBSTRING)) {
hstr->matching=HSTR_MATCH_SUBSTRING;
} else {
if(strstr(hstr_config,HSTR_CONFIG_KEYWORDS)) {
hstr->matching=HSTR_MATCH_KEYWORDS;
}
}
}
if(strstr(hstr_config,HSTR_CONFIG_SORTING)) {
hstr->view=HSTR_VIEW_HISTORY;
} else {
if(strstr(hstr_config,HSTR_CONFIG_FAVORITES)) {
hstr->view=HSTR_VIEW_FAVORITES;
}
}
if(strstr(hstr_config,HSTR_CONFIG_BIG_KEYS_EXIT)) {
hstr->bigKeys=RADIX_BIG_KEYS_EXIT;
} else {
if(strstr(hstr_config,HSTR_CONFIG_BIG_KEYS_FLOOR)) {
hstr->bigKeys=RADIX_BIG_KEYS_FLOOR;
} else {
hstr->bigKeys=RADIX_BIG_KEYS_SKIP;
}
}
if(strstr(hstr_config,HSTR_CONFIG_VERBOSE_KILL)) {
hstr->verboseKill=true;
}
if(strstr(hstr_config,HSTR_CONFIG_BLACKLIST)) {
hstr->blacklist.useFile=true;
}
if(strstr(hstr_config,HSTR_CONFIG_KEEP_PAGE)) {
hstr->keepPage=true;
}
if(strstr(hstr_config,HSTR_CONFIG_NO_CONFIRM)) {
hstr->noConfirm=true;
}
if(strstr(hstr_config,HSTR_CONFIG_STATIC_FAVORITES)) {
hstr->favorites->reorderOnChoice=false;
}
if(strstr(hstr_config,HSTR_CONFIG_SKIP_FAVORITES_COMMENTS)) {
hstr->favorites->skipComments=true;
}
if(strstr(hstr_config,HSTR_CONFIG_DEBUG)) {
hstr->debugLevel=HSTR_DEBUG_LEVEL_DEBUG;
} else {
if(strstr(hstr_config,HSTR_CONFIG_WARN)) {
hstr->debugLevel=HSTR_DEBUG_LEVEL_WARN;
}
}
if(strstr(hstr_config,HSTR_CONFIG_DUPLICATES)) {
hstr->noRawHistoryDuplicates=false;
}
if(strstr(hstr_config,HSTR_CONFIG_PROMPT_BOTTOM)) {
hstr->promptBottom = true;
} else {
hstr->promptBottom = false;
}
if(strstr(hstr_config,HSTR_CONFIG_HELP_ON_OPPOSITE_SIDE)) {
hstr->helpOnOppositeSide = true;
} else {
hstr->helpOnOppositeSide = false;
}
if(strstr(hstr_config,HSTR_CONFIG_HIDE_HELP)) {
hstr->hideBasicHelp = true;
hstr->hideHistoryHelp = true;
} else {
if(strstr(hstr_config,HSTR_CONFIG_HIDE_BASIC_HELP)) {
hstr->hideBasicHelp = true;
hstr->hideHistoryHelp = false;
} else {
hstr->hideBasicHelp = false;
hstr->hideHistoryHelp = false;
}
}
recalculate_max_history_items();
}
}
unsigned print_prompt(void)
{
unsigned xoffset = 0, promptLength;
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_PROMPT));
color_attr_on(A_BOLD);
}
char *prompt = getenv(HSTR_ENV_VAR_PROMPT);
if(prompt) {
mvprintw(hstr->promptY, xoffset, "%s", prompt);
promptLength=strlen(prompt);
} else {
char *user = getenv(ENV_VAR_USER);
char *hostname=malloc(HOSTNAME_BUFFER);
user=(user?user:"me");
get_hostname(HOSTNAME_BUFFER, hostname);
mvprintw(hstr->promptY, xoffset, "%s@%s$ ", user, hostname);
promptLength=strlen(user)+1+strlen(hostname)+1+1;
free(hostname);
}
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
color_attr_off(COLOR_PAIR(HSTR_COLOR_PROMPT));
}
refresh();
return promptLength;
}
void add_to_selection(char* line, unsigned int* index)
{
if(hstr->noRawHistoryDuplicates) {
unsigned i;
for(i = 0; i < *index; i++) {
if (strcmp(hstr->selection[i], line) == 0) {
return;
}
}
}
hstr->selection[*index]=line;
(*index)++;
}
void print_help_label(void)
{
if(hstr->hideBasicHelp)
return;
int cursorX=getcurx(stdscr);
int cursorY=getcury(stdscr);
char screenLine[CMDLINE_LNG];
snprintf(screenLine, getmaxx(stdscr), "%s", LABEL_HELP);
mvprintw(hstr->promptYHelp, 0, "%s", screenLine); clrtoeol();
refresh();
move(cursorY, cursorX);
}
void print_confirm_delete(const char* cmd)
{
char screenLine[CMDLINE_LNG];
if(hstr->view==HSTR_VIEW_FAVORITES) {
snprintf(screenLine, getmaxx(stdscr), "Do you want to delete favorites item '%s'? y/n", cmd);
} else {
snprintf(screenLine, getmaxx(stdscr), "Do you want to delete all occurrences of '%s'? y/n", cmd);
}
// TODO make this function
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_DELETE));
color_attr_on(A_BOLD);
}
mvprintw(hstr->promptYNotification, 0, "%s", screenLine);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
color_attr_on(COLOR_PAIR(HSTR_COLOR_NORMAL));
}
clrtoeol();
refresh();
}
void print_cmd_deleted_label(const char* cmd, int occurences)
{
char screenLine[CMDLINE_LNG];
if(hstr->view==HSTR_VIEW_FAVORITES) {
snprintf(screenLine, getmaxx(stdscr), "Favorites item '%s' deleted", cmd);
} else {
snprintf(screenLine, getmaxx(stdscr), "History item '%s' deleted (%d occurrence%s)", cmd, occurences, (occurences==1?"":"s"));
}
// TODO make this function
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_DELETE));
color_attr_on(A_BOLD);
}
mvprintw(hstr->promptYNotification, 0, "%s", screenLine);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
color_attr_on(COLOR_PAIR(HSTR_COLOR_NORMAL));
}
clrtoeol();
refresh();
}
void print_regexp_error(const char* errorMessage)
{
char screenLine[CMDLINE_LNG];
snprintf(screenLine, getmaxx(stdscr), "%s", errorMessage);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_DELETE));
color_attr_on(A_BOLD);
}
mvprintw(hstr->promptYNotification, 0, "%s", screenLine);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
color_attr_on(COLOR_PAIR(HSTR_COLOR_NORMAL));
}
clrtoeol();
refresh();
}
void print_cmd_added_favorite_label(const char* cmd)
{
char screenLine[CMDLINE_LNG];
snprintf(screenLine, getmaxx(stdscr), "Command '%s' added to favorites (C-/ to show favorites)", cmd);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_INFO));
color_attr_on(A_BOLD);
}
mvprintw(hstr->promptYNotification, 0, "%s", screenLine);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
color_attr_on(COLOR_PAIR(HSTR_COLOR_NORMAL));
}
clrtoeol();
refresh();
}
void print_history_label(void)
{
if(hstr->hideHistoryHelp)
return;
unsigned width=getmaxx(stdscr);
char screenLine[CMDLINE_LNG];
#ifdef __APPLE__
snprintf(screenLine, width, "- HISTORY - view:%s (C-w) - match:%s (C-e) - case:%s (C-t) - %d/%d/%d ",
#else
snprintf(screenLine, width, "- HISTORY - view:%s (C-/) - match:%s (C-e) - case:%s (C-t) - %d/%d/%d ",
#endif
HSTR_VIEW_LABELS[hstr->view],
HSTR_MATCH_LABELS[hstr->matching],
HSTR_CASE_LABELS[hstr->caseSensitive],
hstr->history->count,
hstr->history->rawCount,
hstr->favorites->count);
width -= strlen(screenLine);
unsigned i;
for(i=0; i<width; i++) {
strcat(screenLine, "-");
}
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(A_BOLD);
}
color_attr_on(A_REVERSE);
mvprintw(hstr->promptYHistory, 0, "%s", screenLine);
color_attr_off(A_REVERSE);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_off(A_BOLD);
}
refresh();
}
void print_pattern(char* pattern, int y, int x)
{
if(pattern) {
color_attr_on(A_BOLD);
mvprintw(y, x, "%s", pattern);
color_attr_off(A_BOLD);
clrtoeol();
}
}
// TODO don't realloc if size doesn't change
void hstr_realloc_selection(unsigned size)
{
if(hstr->selection) {
if(size) {
hstr->selection
=realloc(hstr->selection, sizeof(char*) * size);
hstr->selectionRegexpMatch
=realloc(hstr->selectionRegexpMatch, sizeof(regmatch_t) * size);
} else {
free(hstr->selection);
free(hstr->selectionRegexpMatch);
hstr->selection=NULL;
hstr->selectionRegexpMatch=NULL;
}
} else {
if(size) {
hstr->selection = malloc(sizeof(char*) * size);
hstr->selectionRegexpMatch = malloc(sizeof(regmatch_t) * size);
}
}
}
unsigned hstr_make_selection(char* prefix, HistoryItems* history, unsigned maxSelectionCount)
{
hstr_realloc_selection(maxSelectionCount);
unsigned i, selectionCount=0;
char **source;
unsigned count;
switch(hstr->view) {
case HSTR_VIEW_HISTORY:
source=history->rawItems;
count=history->rawCount;
break;
case HSTR_VIEW_FAVORITES:
source=hstr->favorites->items;
count=hstr->favorites->count;
break;
case HSTR_VIEW_RANKING:
default:
source=history->items;
count=history->count;
break;
}
regmatch_t regexpMatch;
char regexpErrorMessage[CMDLINE_LNG];
bool regexpCompilationError=false;
bool keywordsAllMatch;
char *keywordsSavePtr=NULL;
char *keywordsToken=NULL;
char *keywordsParsedLine=NULL;
char *keywordsPointerToDelete=NULL;
for(i=0; i<count && selectionCount<maxSelectionCount; i++) {
if(source[i]) {
if(!prefix || !strlen(prefix)) {
add_to_selection(source[i], &selectionCount);
} else {
switch(hstr->matching) {
case HSTR_MATCH_SUBSTRING:
switch(hstr->caseSensitive) {
case HSTR_CASE_SENSITIVE:
if(source[i]==strstr(source[i], prefix)) {
add_to_selection(source[i], &selectionCount);
}
break;
case HSTR_CASE_INSENSITIVE:
if(source[i]==strcasestr(source[i], prefix)) {
add_to_selection(source[i], &selectionCount);
}
break;
}
break;
case HSTR_MATCH_REGEXP:
if(hstr_regexp_match(&(hstr->regexp), prefix, source[i], ®expMatch, regexpErrorMessage, CMDLINE_LNG)) {
hstr->selection[selectionCount]=source[i];
hstr->selectionRegexpMatch[selectionCount].rm_so=regexpMatch.rm_so;
hstr->selectionRegexpMatch[selectionCount].rm_eo=regexpMatch.rm_eo;
selectionCount++;
} else {
if(!regexpCompilationError) {
// TODO fix broken messages - getting just escape sequences
// print_regexp_error(regexpErrorMessage);
regexpCompilationError=true;
}
}
break;
case HSTR_MATCH_KEYWORDS:
keywordsParsedLine = strdup(prefix);
keywordsAllMatch = true;
keywordsPointerToDelete = keywordsParsedLine;
while(true) {
keywordsToken = strtok_r(keywordsParsedLine, " ", &keywordsSavePtr);
if (keywordsToken == NULL) {
break;
}
keywordsParsedLine = NULL;
switch(hstr->caseSensitive) {
case HSTR_CASE_SENSITIVE:
if(strstr(source[i], keywordsToken) == NULL) {
keywordsAllMatch = false;
}
break;
case HSTR_CASE_INSENSITIVE:
if(strcasestr(source[i], keywordsToken) == NULL) {
keywordsAllMatch = false;
}
break;
}
}
if(keywordsAllMatch) {
add_to_selection(source[i], &selectionCount);
}
free(keywordsPointerToDelete);
break;
}
}
}
}
if(prefix && selectionCount<maxSelectionCount) {
char *substring;
for(i=0; i<count && selectionCount<maxSelectionCount; i++) {
switch(hstr->matching) {
case HSTR_MATCH_SUBSTRING:
switch(hstr->caseSensitive) {
case HSTR_CASE_SENSITIVE:
substring = strstr(source[i], prefix);
if (substring != NULL && substring!=source[i]) {
add_to_selection(source[i], &selectionCount);
}
break;
case HSTR_CASE_INSENSITIVE:
substring = strcasestr(source[i], prefix);
if (substring != NULL && substring!=source[i]) {
add_to_selection(source[i], &selectionCount);
}
break;
}
break;
case HSTR_MATCH_REGEXP:
// all regexps matched previously - user decides whether match ^ or infix
break;
case HSTR_MATCH_KEYWORDS:
// TODO MD consider adding lines that didn't matched all keywords, but some of them
// (ordered by number of matched keywords)
break;
}
}
}
hstr->selectionSize=selectionCount;
return selectionCount;
}
void print_selection_row(char* text, int y, int width, char* pattern)
{
char screenLine[CMDLINE_LNG];
char buffer[CMDLINE_LNG];
hstr_strelide(buffer, text, width>2?width-2:0);
int size = snprintf(screenLine, width, " %s", buffer);
if(size < 0) screenLine[0]=0;
mvprintw(y, 0, "%s", screenLine); clrtoeol();
if(pattern && strlen(pattern)) {
color_attr_on(A_BOLD);
if(hstr->theme & HSTR_THEME_COLOR) {
color_attr_on(COLOR_PAIR(HSTR_COLOR_MATCH));
}
char* p=NULL;
char* pp=NULL;
char* keywordsSavePtr=NULL;
char* keywordsToken=NULL;
char* keywordsParsedLine=NULL;
char* keywordsPointerToDelete=NULL;
switch(hstr->matching) {
case HSTR_MATCH_SUBSTRING:
switch(hstr->caseSensitive) {
case HSTR_CASE_INSENSITIVE:
p=strcasestr(screenLine, pattern);
if(p) {
snprintf(buffer, strlen(pattern)+1, "%s", p);
mvprintw(y, p-screenLine, "%s", buffer);
}
break;
case HSTR_CASE_SENSITIVE:
p=strstr(screenLine, pattern);
if(p) {
mvprintw(y, p-screenLine, "%s", pattern);
}
break;
}
break;
case HSTR_MATCH_REGEXP:
p=strstr(screenLine, pattern);
if(p) {
mvprintw(y, p-screenLine, "%s", pattern);
}