/
Context.cpp
1453 lines (1296 loc) · 51.7 KB
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Context.cpp
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////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// https://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////
#include <cmake.h>
#include <Context.h>
#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <algorithm>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <FS.h>
#include <Eval.h>
#include <Variant.h>
#include <Datetime.h>
#include <Duration.h>
#include <shared.h>
#include <format.h>
#include <main.h>
#include <regex>
#ifdef HAVE_COMMIT
#include <commit.h>
#endif
#include <stdio.h>
#include <sys/ioctl.h>
#ifdef SOLARIS
#include <sys/termios.h>
#endif
////////////////////////////////////////////////////////////////////////////////
// This string is parsed and used as default values for configuration.
std::string configurationDefaults =
"# Taskwarrior program configuration file.\n"
"# For more documentation, see https://taskwarrior.org or try 'man task', 'man task-color',\n"
"# 'man task-sync' or 'man taskrc'\n"
"\n"
"# Here is an example of entries that use the default, override and blank values\n"
"# variable=foo -- By specifying a value, this overrides the default\n"
"# variable= -- By specifying no value, this means no default\n"
"# #variable=foo -- By commenting out the line, or deleting it, this uses the default\n"
"\n"
"# You can also refence environment variables:\n"
"# variable=$HOME/task\n"
"# variable=$VALUE\n"
"\n"
"# Use the command 'task show' to see all defaults and overrides\n"
"\n"
"# Files\n"
"data.location=~/.task\n"
"locking=1 # Use file-level locking\n"
"gc=1 # Garbage-collect data files - DO NOT CHANGE unless you are sure\n"
"exit.on.missing.db=0 # Whether to exit if ~/.task is not found\n"
"hooks=1 # Master control switch for hooks\n"
"\n"
"# Terminal\n"
"detection=1 # Detects terminal width\n"
"defaultwidth=80 # Without detection, assumed width\n"
"defaultheight=24 # Without detection, assumed height\n"
"avoidlastcolumn=0 # Fixes Cygwin width problem\n"
"hyphenate=1 # Hyphenates lines wrapped on non-word-breaks\n"
"#editor=vi # Preferred text editor\n"
"reserved.lines=1 # Assume a 1-line prompt\n"
"\n"
"# Miscellaneous\n"
"# verbose= # Comma-separated list. May contain any subset of:\n"
"# affected,blank,context,default,edit,filter,footnote,header,label,new-id,new-uuid,override,project,recur,special,sync\n"
"verbose=affected,blank,context,edit,header,footnote,label,new-id,project,special,sync,override,recur\n"
"confirmation=1 # Confirmation on delete, big changes\n"
"recurrence=1 # Enable recurrence\n"
"recurrence.confirmation=prompt # Confirmation for propagating changes among recurring tasks (yes/no/prompt)\n"
"allow.empty.filter=1 # An empty filter gets a warning and requires confirmation\n"
"indent.annotation=2 # Indent spaces for annotations\n"
"indent.report=0 # Indent spaces for whole report\n"
"row.padding=0 # Left and right padding for each row of report\n"
"column.padding=1 # Spaces between each column in a report\n"
"bulk=3 # 3 or more tasks considered a bulk change and is confirmed\n"
"nag=You have more urgent tasks. # Nag message to keep you honest\n" // TODO
"search.case.sensitive=1 # Setting to no allows case insensitive searches\n"
"active.indicator=* # What to show as an active task indicator\n"
"tag.indicator=+ # What to show as a tag indicator\n"
"dependency.indicator=D # What to show as a dependency indicator\n"
"recurrence.indicator=R # What to show as a task recurrence indicator\n"
"recurrence.limit=1 # Number of future recurring pending tasks\n"
"undo.style=side # Undo style - can be 'side', or 'diff'\n"
"regex=1 # Assume all search/filter strings are regexes\n"
"xterm.title=0 # Sets xterm title for some commands\n"
"expressions=infix # Prefer infix over postfix expressions\n"
"json.array=1 # Enclose JSON output in [ ]\n"
"abbreviation.minimum=2 # Shortest allowed abbreviation\n"
"news.version= # Latest version highlights read by the user\n"
"\n"
"# Dates\n"
"dateformat=Y-M-D # Preferred input and display date format\n"
"dateformat.holiday=YMD # Preferred input date format for holidays\n"
"dateformat.edit=Y-M-D H:N:S # Preferred display date format when editing\n"
"dateformat.info=Y-M-D H:N:S # Preferred display date format for information\n"
"dateformat.report= # Preferred display date format for reports\n"
"dateformat.annotation= # Preferred display date format for annotations\n"
"date.iso=1 # Enable ISO date support\n"
"weekstart=sunday # Sunday or Monday only\n"
"displayweeknumber=1 # Show week numbers on calendar\n"
"due=7 # Task is considered due in 7 days\n"
"\n"
"# Calendar controls\n"
"calendar.legend=1 # Display the legend on calendar\n"
"calendar.details=sparse # Calendar shows information for tasks w/due dates: full, sparse or none\n"
"calendar.details.report=list # Report to use when showing task information in cal\n"
"calendar.offset=0 # Apply an offset value to control the first month of the calendar\n"
"calendar.offset.value=-1 # The number of months the first month of the calendar is moved\n"
"calendar.holidays=none # Show public holidays on calendar:full, sparse or none\n"
"#calendar.monthsperline=3 # Number of calendar months on a line\n"
"\n"
"# Journal controls\n"
"journal.time=0 # Record start/stop commands as annotation\n"
"journal.time.start.annotation=Started task # Annotation description for the start journal entry\n"
"journal.time.stop.annotation=Stopped task # Annotation description for the stop journal entry\n"
"journal.info=1 # Display task journal with info command\n"
"\n"
"# Dependency controls\n"
"dependency.reminder=1 # Nags on dependency chain violations\n"
"dependency.confirmation=1 # Should dependency chain repair be confirmed?\n"
"\n"
"# Urgency Coefficients\n"
"urgency.user.tag.next.coefficient=15.0 # Urgency coefficient for 'next' special tag\n"
"urgency.due.coefficient=12.0 # Urgency coefficient for due dates\n"
"urgency.blocking.coefficient=8.0 # Urgency coefficient for blocking tasks\n"
"urgency.active.coefficient=4.0 # Urgency coefficient for active tasks\n"
"urgency.scheduled.coefficient=5.0 # Urgency coefficient for scheduled tasks\n"
"urgency.age.coefficient=2.0 # Urgency coefficient for age\n"
"urgency.annotations.coefficient=1.0 # Urgency coefficient for annotations\n"
"urgency.tags.coefficient=1.0 # Urgency coefficient for tags\n"
"urgency.project.coefficient=1.0 # Urgency coefficient for projects\n"
"urgency.blocked.coefficient=-5.0 # Urgency coefficient for blocked tasks\n"
"urgency.waiting.coefficient=-3.0 # Urgency coefficient for waiting status\n"
"urgency.inherit=0 # Recursively inherit highest urgency value from blocked tasks\n"
"urgency.age.max=365 # Maximum age in days\n"
"\n"
"#urgency.user.project.foo.coefficient=5.0 # Urgency coefficients for 'foo' project\n"
"#urgency.user.tag.foo.coefficient=5.0 # Urgency coefficients for 'foo' tag\n"
"#urgency.uda.foo.coefficient=5.0 # Urgency coefficients for UDA 'foo'\n"
"\n"
"# Color controls.\n"
"color=1 # Enable color\n"
"\n"
"# Here is the rule precedence order, highest to lowest.\n"
"# Note that these are just the color rule names, without the leading 'color.'\n"
"# and any trailing '.value'.\n"
"rule.precedence.color=deleted,completed,active,keyword.,tag.,project.,overdue,scheduled,due.today,due,blocked,blocking,recurring,tagged,uda.\n"
"\n"
"# General decoration\n"
"rule.color.merge=1\n"
"color.label=\n"
"color.label.sort=\n"
"color.alternate=on gray2\n"
"color.header=color3\n"
"color.footnote=color3\n"
"color.warning=bold red\n"
"color.error=white on red\n"
"color.debug=color4\n"
"\n"
"# Task state\n"
"color.completed=\n"
"color.deleted=\n"
"color.active=rgb555 on rgb410\n"
"color.recurring=rgb013\n"
"color.scheduled=on rgb001\n"
"color.until=\n"
"color.blocked=white on color8\n"
"color.blocking=black on color15\n"
"\n"
"# Project\n"
"color.project.none=\n"
"\n"
"# Priority UDA\n"
"color.uda.priority.H=color255\n"
"color.uda.priority.L=color245\n"
"color.uda.priority.M=color250\n"
"\n"
"# Tags\n"
"color.tag.next=rgb440\n"
"color.tag.none=\n"
"color.tagged=rgb031\n"
"\n"
"# Due\n"
"color.due.today=rgb400\n"
"color.due=color1\n"
"color.overdue=color9\n"
"\n"
"# Report: burndown\n"
"color.burndown.done=on rgb010\n"
"color.burndown.pending=on color9\n"
"color.burndown.started=on color11\n"
"\n"
"# Report: history\n"
"color.history.add=color0 on rgb500\n"
"color.history.delete=color0 on rgb550\n"
"color.history.done=color0 on rgb050\n"
"\n"
"# Report: summary\n"
"color.summary.background=white on color0\n"
"color.summary.bar=black on rgb141\n"
"\n"
"# Command: calendar\n"
"color.calendar.due.today=color15 on color1\n"
"color.calendar.due=color0 on color1\n"
"color.calendar.holiday=color0 on color11\n"
"color.calendar.scheduled=rgb013 on color15\n"
"color.calendar.overdue=color0 on color9\n"
"color.calendar.today=color15 on rgb013\n"
"color.calendar.weekend=on color235\n"
"color.calendar.weeknumber=rgb013\n"
"\n"
"# Command: sync\n"
"color.sync.added=rgb010\n"
"color.sync.changed=color11\n"
"color.sync.rejected=color9\n"
"\n"
"# Command: undo\n"
"color.undo.after=color2\n"
"color.undo.before=color1\n"
"\n"
"# UDA priority\n"
"uda.priority.type=string # UDA priority is a string type\n"
"uda.priority.label=Priority # UDA priority has a display label'\n"
"uda.priority.values=H,M,L, # UDA priority values are 'H', 'M', 'L' or ''\n"
" # UDA priority sorting is 'H' > 'M' > 'L' > '' (highest to lowest)\n"
"#uda.priority.default=M # UDA priority default value of 'M'\n"
"urgency.uda.priority.H.coefficient=6.0 # UDA priority coefficient for value 'H'\n"
"urgency.uda.priority.M.coefficient=3.9 # UDA priority coefficient for value 'M'\n"
"urgency.uda.priority.L.coefficient=1.8 # UDA priority coefficient for value 'L'\n"
"\n"
"#default.project=foo # Default project for 'add' command\n"
"#default.due=eom # Default due date for 'add' command\n"
"#default.scheduled=eom # Default scheduled date for 'add' command\n"
"default.command=next # When no arguments are specified\n"
"default.timesheet.filter=( +PENDING and start.after:now-4wks ) or ( +COMPLETED and end.after:now-4wks )\n"
"\n"
"_forcecolor=0 # Forces color to be on, even for non TTY output\n"
"complete.all.tags=0 # Include old tag names in '_ags' command\n"
"list.all.projects=0 # Include old project names in 'projects' command\n"
"summary.all.projects=0 # Include old project names in 'summary' command\n"
"list.all.tags=0 # Include old tag names in 'tags' command\n"
"print.empty.columns=0 # Print columns which have no data for any task\n"
"debug=0 # Display diagnostics\n"
"debug.tls=0 # Sync diagnostics\n"
"sugar=1 # Syntactic sugar\n"
"obfuscate=0 # Obfuscate data for error reporting\n"
"fontunderline=1 # Uses underlines rather than -------\n"
"\n"
"# WARNING: Please read the documentation (man task-sync) before setting up\n"
"# Taskwarrior for Taskserver synchronization.\n"
"#taskd.ca=<certificate file>\n"
"#taskd.certificate=<certificate file>\n"
"#taskd.credentials=<organization>/<name>/<password>\n"
"#taskd.server=<server>:<port>\n"
"taskd.trust=strict\n"
"#taskd.trust=ignore hostname\n"
"#taskd.trust=allow all\n"
"taskd.ciphers=NORMAL\n"
"\n"
"# Aliases - alternate names for commands\n"
"alias.rm=delete # Alias for the delete command\n"
"alias.history=history.monthly # Prefer monthly over annual history reports\n"
"alias.ghistory=ghistory.monthly # Prefer monthly graphical over annual history reports\n"
"alias.burndown=burndown.weekly # Prefer the weekly burndown chart\n"
"\n"
"# Reports\n"
"\n"
"report.long.description=All details of tasks\n"
"report.long.labels=ID,A,Created,Mod,Deps,P,Project,Tags,Recur,Wait,Sched,Due,Until,Description\n"
"report.long.columns=id,start.active,entry,modified.age,depends,priority,project,tags,recur,wait.remaining,scheduled,due,until,description\n"
"report.long.filter=status:pending -WAITING\n"
"report.long.sort=modified-\n"
"report.long.context=1\n"
"\n"
"report.list.description=Most details of tasks\n"
"report.list.labels=ID,Active,Age,D,P,Project,Tags,R,Sch,Due,Until,Description,Urg\n"
"report.list.columns=id,start.age,entry.age,depends.indicator,priority,project,tags,recur.indicator,scheduled.countdown,due,until.remaining,description.count,urgency\n"
"report.list.filter=status:pending -WAITING\n"
"report.list.sort=start-,due+,project+,urgency-\n"
"report.list.context=1\n"
"\n"
"report.ls.description=Few details of tasks\n"
"report.ls.labels=ID,A,D,Project,Tags,R,Wait,S,Due,Until,Description\n"
"report.ls.columns=id,start.active,depends.indicator,project,tags,recur.indicator,wait.remaining,scheduled.countdown,due.countdown,until.countdown,description.count\n"
"report.ls.filter=status:pending -WAITING\n"
"report.ls.sort=start-,description+\n"
"report.ls.context=1\n"
"\n"
"report.minimal.description=Minimal details of tasks\n"
"report.minimal.labels=ID,Project,Tags,Description\n"
"report.minimal.columns=id,project,tags.count,description.count\n"
"report.minimal.filter=status:pending\n"
"report.minimal.sort=project+/,description+\n"
"report.minimal.context=1\n"
"\n"
"report.newest.description=Newest tasks\n"
"report.newest.labels=ID,Active,Created,Age,Mod,D,P,Project,Tags,R,Wait,Sch,Due,Until,Description\n"
"report.newest.columns=id,start.age,entry,entry.age,modified.age,depends.indicator,priority,project,tags,recur.indicator,wait.remaining,scheduled.countdown,due,until.age,description\n"
"report.newest.filter=status:pending\n"
"report.newest.sort=entry-\n"
"report.newest.context=1\n"
"\n"
"report.oldest.description=Oldest tasks\n"
"report.oldest.labels=ID,Active,Created,Age,Mod,D,P,Project,Tags,R,Wait,Sch,Due,Until,Description\n"
"report.oldest.columns=id,start.age,entry,entry.age,modified.age,depends.indicator,priority,project,tags,recur.indicator,wait.remaining,scheduled.countdown,due,until.age,description\n"
"report.oldest.filter=status:pending\n"
"report.oldest.sort=entry+\n"
"report.oldest.context=1\n"
"\n"
"report.overdue.description=Overdue tasks\n"
"report.overdue.labels=ID,Active,Age,Deps,P,Project,Tag,R,S,Due,Until,Description,Urg\n"
"report.overdue.columns=id,start.age,entry.age,depends,priority,project,tags,recur.indicator,scheduled.countdown,due,until,description,urgency\n"
"report.overdue.filter=status:pending and +OVERDUE\n"
"report.overdue.sort=urgency-,due+\n"
"report.overdue.context=1\n"
"\n"
"report.active.description=Active tasks\n"
"report.active.labels=ID,Started,Active,Age,D,P,Project,Tags,Recur,W,Sch,Due,Until,Description\n"
"report.active.columns=id,start,start.age,entry.age,depends.indicator,priority,project,tags,recur,wait,scheduled.remaining,due,until,description\n"
"report.active.filter=status:pending and +ACTIVE\n"
"report.active.sort=project+,start+\n"
"report.active.context=1\n"
"\n"
"report.completed.description=Completed tasks\n"
"report.completed.labels=ID,UUID,Created,Completed,Age,Deps,P,Project,Tags,R,Due,Description\n"
"report.completed.columns=id,uuid.short,entry,end,entry.age,depends,priority,project,tags,recur.indicator,due,description\n"
"report.completed.filter=status:completed\n"
"report.completed.sort=end+\n"
"report.completed.context=1\n"
"\n"
"report.recurring.description=Recurring Tasks\n"
"report.recurring.labels=ID,Active,Age,D,P,Parent,Project,Tags,Recur,Sch,Due,Until,Description,Urg\n"
"report.recurring.columns=id,start.age,entry.age,depends.indicator,priority,parent.short,project,tags,recur,scheduled.countdown,due,until.remaining,description,urgency\n"
"report.recurring.filter=(status:pending and +CHILD) or (status:recurring and +PARENT)\n"
"report.recurring.sort=due+,urgency-,entry+\n"
"report.recurring.context=1\n"
"\n"
"report.waiting.description=Waiting (hidden) tasks\n"
"report.waiting.labels=ID,A,Age,D,P,Project,Tags,R,Wait,Remaining,Sched,Due,Until,Description\n"
"report.waiting.columns=id,start.active,entry.age,depends.indicator,priority,project,tags,recur.indicator,wait,wait.remaining,scheduled,due,until,description\n"
"report.waiting.filter=+WAITING\n"
"report.waiting.sort=due+,wait+,entry+\n"
"report.waiting.context=1\n"
"\n"
"report.all.description=All tasks\n"
"report.all.labels=ID,St,UUID,A,Age,Done,D,P,Project,Tags,R,Wait,Sch,Due,Until,Description\n"
"report.all.columns=id,status.short,uuid.short,start.active,entry.age,end.age,depends.indicator,priority,project.parent,tags.count,recur.indicator,wait.remaining,scheduled.remaining,due,until.remaining,description\n"
"report.all.sort=entry-\n"
"report.all.context=1\n"
"\n"
"report.next.description=Most urgent tasks\n"
"report.next.labels=ID,Active,Age,Deps,P,Project,Tag,Recur,S,Due,Until,Description,Urg\n"
"report.next.columns=id,start.age,entry.age,depends,priority,project,tags,recur,scheduled.countdown,due.relative,until.remaining,description,urgency\n"
"report.next.filter=status:pending -WAITING limit:page\n"
"report.next.sort=urgency-\n"
"report.next.context=1\n"
"\n"
"report.ready.description=Most urgent actionable tasks\n"
"report.ready.labels=ID,Active,Age,D,P,Project,Tags,R,S,Due,Until,Description,Urg\n"
"report.ready.columns=id,start.age,entry.age,depends.indicator,priority,project,tags,recur.indicator,scheduled.countdown,due.countdown,until.remaining,description,urgency\n"
"report.ready.filter=+READY\n"
"report.ready.sort=start-,urgency-\n"
"report.ready.context=1\n"
"\n"
"report.blocked.description=Blocked tasks\n"
"report.blocked.columns=id,depends,project,priority,due,start.active,entry.age,description\n"
"report.blocked.labels=ID,Deps,Proj,Pri,Due,Active,Age,Description\n"
"report.blocked.sort=due+,priority-,start-,project+\n"
"report.blocked.filter=status:pending -WAITING +BLOCKED\n"
"report.blocked.context=1\n"
"\n"
"report.unblocked.description=Unblocked tasks\n"
"report.unblocked.columns=id,depends,project,priority,due,start.active,entry.age,description\n"
"report.unblocked.labels=ID,Deps,Proj,Pri,Due,Active,Age,Description\n"
"report.unblocked.sort=due+,priority-,start-,project+\n"
"report.unblocked.filter=status:pending -WAITING -BLOCKED\n"
"report.unblocked.context=1\n"
"\n"
"report.blocking.description=Blocking tasks\n"
"report.blocking.labels=ID,UUID,A,Deps,Project,Tags,R,W,Sch,Due,Until,Description,Urg\n"
"report.blocking.columns=id,uuid.short,start.active,depends,project,tags,recur,wait,scheduled.remaining,due.relative,until.remaining,description.count,urgency\n"
"report.blocking.sort=urgency-,due+,entry+\n"
"report.blocking.filter=status:pending -WAITING +BLOCKING\n"
"report.blocking.context=1\n"
"\n"
"report.timesheet.filter=(+PENDING and start.after:now-4wks) or (+COMPLETED and end.after:now-4wks)\n"
"report.timesheet.context=0\n"
"\n";
// Supported modifiers, synonyms on the same line.
static const char* modifierNames[] =
{
"before", "under", "below",
"after", "over", "above",
"by",
"none",
"any",
"is", "equals",
"isnt", "not",
"has", "contains",
"hasnt",
"startswith", "left",
"endswith", "right",
"word",
"noword"
};
Context* Context::context;
////////////////////////////////////////////////////////////////////////////////
Context& Context::getContext ()
{
return *Context::context;
}
////////////////////////////////////////////////////////////////////////////////
void Context::setContext (Context* context)
{
Context::context = context;
}
////////////////////////////////////////////////////////////////////////////////
Context::~Context ()
{
for (auto& com : commands)
delete com.second;
for (auto& col : columns)
delete col.second;
}
////////////////////////////////////////////////////////////////////////////////
int Context::initialize (int argc, const char** argv)
{
timer_total.start ();
int rc = 0;
home_dir = getenv ("HOME");
std::vector <std::string> searchPaths { TASK_RCDIR };
try
{
////////////////////////////////////////////////////////////////////////////
//
// [1] Load the correct config file.
// - Default to ~/.taskrc (ctor).
// - If no ~/.taskrc, use $XDG_CONFIG_HOME/task/taskrc if exists, or
// ~/.config/task/taskrc if $XDG_CONFIG_HOME is unset
// - Allow $TASKRC override.
// - Allow command line override rc:<file>
// - Load resultant file.
// - Apply command line overrides to the config.
//
////////////////////////////////////////////////////////////////////////////
bool taskrc_overridden = false;
// XDG_CONFIG_HOME doesn't count as an override (no warning header)
if (! rc_file.exists ())
{
// Use XDG_CONFIG_HOME if defined, otherwise default to ~/.config
std::string xdg_config_home;
const char* env_xdg_config_home = getenv ("XDG_CONFIG_HOME");
if (env_xdg_config_home)
xdg_config_home = format ("{1}", env_xdg_config_home);
else
xdg_config_home = format ("{1}/.config", home_dir);
// Ensure the path does not end with '/'
if (xdg_config_home.back () == '/')
xdg_config_home.pop_back();
// https://github.com/GothenburgBitFactory/libshared/issues/32
std::string rcfile_path = format ("{1}/task/taskrc", xdg_config_home);
File maybe_rc_file = File (rcfile_path);
if ( maybe_rc_file.exists ())
rc_file = maybe_rc_file;
}
char *override = getenv ("TASKRC");
if (override)
{
rc_file = File (override);
taskrc_overridden = true;
}
taskrc_overridden =
CLI2::getOverride (argc, argv, rc_file) || taskrc_overridden;
// Artificial scope for timing purposes.
{
Timer timer;
config.parse (configurationDefaults, 1, searchPaths);
config.load (rc_file._data, 1, searchPaths);
debugTiming (format ("Config::load ({1})", rc_file._data), timer);
}
CLI2::applyOverrides (argc, argv);
if (taskrc_overridden && verbose ("override"))
header (format ("TASKRC override: {1}", rc_file._data));
////////////////////////////////////////////////////////////////////////////
//
// [2] Locate the data directory.
// - Default to ~/.task (ctor).
// - Allow $TASKDATA override.
// - Allow command line override rc.data.location:<dir>
// - Inform TDB2 where to find data.
// - Create the rc_file and data_dir, if necessary.
//
////////////////////////////////////////////////////////////////////////////
bool taskdata_overridden = false;
override = getenv ("TASKDATA");
if (override)
{
data_dir = Directory (override);
config.set ("data.location", data_dir._data);
taskdata_overridden = true;
}
taskdata_overridden =
CLI2::getDataLocation (argc, argv, data_dir) || taskdata_overridden;
if (taskdata_overridden && verbose ("override"))
header (format ("TASKDATA override: {1}", data_dir._data));
tdb2.set_location (data_dir);
createDefaultConfig ();
////////////////////////////////////////////////////////////////////////////
//
// [3] Instantiate Command objects and capture command entities.
//
////////////////////////////////////////////////////////////////////////////
Command::factory (commands);
for (auto& cmd : commands)
cli2.entity ("cmd", cmd.first);
////////////////////////////////////////////////////////////////////////////
//
// [4] Instantiate Column objects and capture column entities.
//
////////////////////////////////////////////////////////////////////////////
Column::factory (columns);
for (auto& col : columns)
cli2.entity ("attribute", col.first);
cli2.entity ("pseudo", "limit");
////////////////////////////////////////////////////////////////////////////
//
// [5] Capture modifier and operator entities.
//
////////////////////////////////////////////////////////////////////////////
for (auto& modifierName : modifierNames)
cli2.entity ("modifier", modifierName);
for (auto& op : Eval::getOperators ())
cli2.entity ("operator", op);
for (auto& op : Eval::getBinaryOperators ())
cli2.entity ("binary_operator", op);
////////////////////////////////////////////////////////////////////////////
//
// [6] Complete the Context initialization.
//
////////////////////////////////////////////////////////////////////////////
initializeColorRules ();
staticInitialization ();
propagateDebug ();
loadAliases ();
////////////////////////////////////////////////////////////////////////////
//
// [7] Parse the command line.
//
////////////////////////////////////////////////////////////////////////////
for (int i = 0; i < argc; i++)
cli2.add (argv[i]);
cli2.analyze ();
// Extract a recomposed command line.
auto foundDefault = false;
auto foundAssumed = false;
std::string combined;
for (auto& a : cli2._args)
{
if (combined.length ())
combined += ' ';
combined += a.attribute ("raw");
if (a.hasTag ("DEFAULT"))
foundDefault = true;
if (a.hasTag ("ASSUMED"))
foundAssumed = true;
}
if (verbose ("default")) {
if (foundDefault)
header ("[" + combined + "]");
if (foundAssumed)
header ("No command specified - assuming 'information'.");
}
////////////////////////////////////////////////////////////////////////////
//
// [8] Initialize hooks.
//
////////////////////////////////////////////////////////////////////////////
hooks.initialize ();
}
catch (const std::string& message)
{
error (message);
rc = 2;
}
catch (int)
{
// Hooks can terminate processing by throwing integers.
rc = 4;
}
catch (const std::regex_error& e)
{
std::cout << "regex_error caught: " << e.what() << '\n';
}
catch (...)
{
error ("knknown error. Please report.");
rc = 3;
}
// On initialization failure...
if (rc)
{
// Dump all debug messages, controlled by rc.debug.
if (config.getBoolean ("debug"))
{
for (auto& d : debugMessages)
if (color ())
std::cerr << colorizeDebug (d) << '\n';
else
std::cerr << d << '\n';
}
// Dump all headers, controlled by 'header' verbosity token.
if (verbose ("header"))
{
for (auto& h : headers)
if (color ())
std::cerr << colorizeHeader (h) << '\n';
else
std::cerr << h << '\n';
}
// Dump all footnotes, controlled by 'footnote' verbosity token.
if (verbose ("footnote"))
{
for (auto& f : footnotes)
if (color ())
std::cerr << colorizeFootnote (f) << '\n';
else
std::cerr << f << '\n';
}
// Dump all errors, non-maskable.
// Colorized as footnotes.
for (auto& e : errors)
if (color ())
std::cerr << colorizeFootnote (e) << '\n';
else
std::cerr << e << '\n';
}
time_init_us += timer_total.total_us ();
return rc;
}
////////////////////////////////////////////////////////////////////////////////
int Context::run ()
{
int rc;
std::string output;
try
{
hooks.onLaunch ();
rc = dispatch (output);
tdb2.commit (); // Harmless if called when nothing changed.
hooks.onExit (); // No chance to update data.
timer_total.stop ();
time_total_us += timer_total.total_us ();
std::stringstream s;
s << "Perf "
<< PACKAGE_STRING
<< ' '
#ifdef HAVE_COMMIT
<< COMMIT
#else
<< '-'
#endif
<< ' '
<< Datetime ().toISO ()
<< " init:" << time_init_us
<< " load:" << time_load_us
<< " gc:" << (time_gc_us > 0 ? time_gc_us - time_load_us : time_gc_us)
<< " filter:" << time_filter_us
<< " commit:" << time_commit_us
<< " sort:" << time_sort_us
<< " render:" << time_render_us
<< " hooks:" << time_hooks_us
<< " other:" << time_total_us -
time_init_us -
time_gc_us -
time_filter_us -
time_commit_us -
time_sort_us -
time_render_us -
time_hooks_us
<< " total:" << time_total_us
<< '\n';
debug (s.str ());
}
catch (const std::string& message)
{
error (message);
rc = 2;
}
catch (int)
{
// Hooks can terminate processing by throwing integers.
rc = 4;
}
catch (...)
{
error ("Unknown error. Please report.");
rc = 3;
}
// Dump all debug messages, controlled by rc.debug.
if (config.getBoolean ("debug"))
{
for (auto& d : debugMessages)
if (color ())
std::cerr << colorizeDebug (d) << '\n';
else
std::cerr << d << '\n';
}
// Dump all headers, controlled by 'header' verbosity token.
if (verbose ("header"))
{
for (auto& h : headers)
if (color ())
std::cerr << colorizeHeader (h) << '\n';
else
std::cerr << h << '\n';
}
// Dump the report output.
std::cout << output;
// Dump all footnotes, controlled by 'footnote' verbosity token.
if (verbose ("footnote"))
{
for (auto& f : footnotes)
if (color ())
std::cerr << colorizeFootnote (f) << '\n';
else
std::cerr << f << '\n';
}
// Dump all errors, non-maskable.
// Colorized as footnotes.
for (auto& e : errors)
if (color ())
std::cerr << colorizeError (e) << '\n';
else
std::cerr << e << '\n';
return rc;
}
////////////////////////////////////////////////////////////////////////////////
// Dispatch to the command found by the CLI parser.
int Context::dispatch (std::string &out)
{
// Autocomplete args against keywords.
std::string command = cli2.getCommand ();
if (command != "")
{
updateXtermTitle ();
updateVerbosity ();
Command* c = commands[command];
assert (c);
// The command know whether they need a GC.
if (c->needs_gc () &&
! tdb2.read_only ())
{
run_gc = config.getBoolean ("gc");
tdb2.gc ();
}
else
{
run_gc = false;
}
/*
// Only read-only commands can be run when TDB2 is read-only.
// TODO Implement TDB2::read_only
if (tdb2.read_only () && !c->read_only ())
throw std::string ("");
*/
// This is something that is only needed for write commands with no other
// filter processing.
if (c->accepts_modifications () &&
! c->accepts_filter ())
{
cli2.prepareFilter ();
}
// With rc.debug.parser == 2, there are more tree dumps than you might want,
// but we need the rc.debug.parser == 1 case covered also, with the final
// tree.
if (config.getBoolean ("debug") &&
config.getInteger ("debug.parser") == 1)
debug (cli2.dump ("Parse Tree (before command-specifіc processing)"));
return c->execute (out);
}
assert (commands["help"]);
return commands["help"]->execute (out);
}
////////////////////////////////////////////////////////////////////////////////
int Context::getWidth ()
{
// Determine window size.
auto width = config.getInteger ("defaultwidth");
// A zero width value means 'infinity', which is approximated here by 2^16.
if (width == 0)
return 65536;
if (config.getBoolean ("detection"))
{
if (terminal_width == 0 &&
terminal_height == 0)
{
unsigned short buff[4];
if (ioctl (STDOUT_FILENO, TIOCGWINSZ, &buff) != -1)
{
terminal_height = buff[0];
terminal_width = buff[1];
}
}
width = terminal_width;
// Ncurses does this, and perhaps we need to as well, to avoid a problem on
// Cygwin where the display goes right up to the terminal width, and causes
// an odd color wrapping problem.
if (config.getBoolean ("avoidlastcolumn"))
--width;
}
return width;
}
////////////////////////////////////////////////////////////////////////////////
int Context::getHeight ()
{
// Determine window size.
auto height = config.getInteger ("defaultheight");
// A zero height value means 'infinity', which is approximated here by 2^16.
if (height == 0)
return 65536;
if (config.getBoolean ("detection"))
{
if (terminal_width == 0 &&
terminal_height == 0)
{
unsigned short buff[4];
if (ioctl (STDOUT_FILENO, TIOCGWINSZ, &buff) != -1)
{
terminal_height = buff[0];
terminal_width = buff[1];
}
}
height = terminal_height;
}
return height;
}
////////////////////////////////////////////////////////////////////////////////
std::string Context::getTaskContext (const std::string& kind, std::string name, bool fallback /* = true */)
{
// Consider currently selected context, if none specified
if (name.empty ())
name = config.get ("context");
// Detect if any context is set, and bail out if not
if (! name.empty ())
debug (format ("Applying context '{1}'", name));
else
{
debug ("No context set");
return "";
}
// Figure out the context string for this kind (read/write)
std::string contextString = "";
if (! config.has ("context." + name + "." + kind) && kind == "read")
{
debug ("Specific " + kind + " context for '" + name + "' not defined. ");
if (fallback)
{
debug ("Trying to interpret old-style context definition as read context.");
contextString = config.get ("context." + name);
}
}
else
contextString = config.get ("context." + name + "." + kind);
debug (format ("Detected context string: {1}", contextString.empty() ? "(empty)" : contextString));
return contextString;
}
////////////////////////////////////////////////////////////////////////////////
bool Context::color ()
{
if (determine_color_use)
{
// What the config says.
use_color = config.getBoolean ("color");
// Only tty's support color.