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fixed bug where failOut() fails on ^+C

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This commit is contained in:
boofnet
2022-04-20 21:27:25 -04:00
parent 191a27f8f8
commit 19ff0c2b64
1 changed files with 189 additions and 47 deletions
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tdm.go
+189 -47
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@@ -1,15 +1,13 @@
// =============================================================================
// Auth: Alex Celani
// File: tdm.go
// Revn: 04-14-2022 5.1
// Revn: 04-20-2022 5.2
//
// Func: display and manage progress of a litany of items to be done,
// with an organization scheme similar to Trello. It's CLI
// Trello
//
// TODO: rewrite help
//
// add second object to hold command information
// TODO: add second object to hold command information
// make subsubtasks for greater depth
// M or rooms to contain boards
// M remember last args
@@ -117,6 +115,10 @@
// changed arguments for fileIn() and fileOut()
// added quick little subcommands in show() and parse()
// /show/ to print boards or tasks
// 04-15-2022: added new function, Help() for when functions fail
// added /about/ section to help()
// 04-20-2022: fixed bug where keyboard interrupts would fail to write
// data out to file
//
// =============================================================================
@@ -165,16 +167,13 @@ func calc( t task ) string {
for _, sub := range t.subt {
// convert to int for addition
fill, err := atoi( sub.fill )
if err != nil { // if conversion returns and error...
fill = 0 // just default to 0
} // sux, just enter a valid fill, idiot
count = count + fill // continue counting up
}
count = count / tlen // actually make it an average
}
return itoa( count ) // return conversion to string
}
@@ -197,7 +196,7 @@ func catch() {
<-c // immediately halts in blocking read for signal
if changed { // if there was a change to the map...
fileOut( home ) // rewrite data file
fileOut() // rewrite data file
}
print( "\r" ) // this helps with the missing newline
@@ -238,7 +237,7 @@ func join( subcommands []string ) string {
// FILEOUT
// wrapper function to contain all the file writing
func fileOut( home string ) {
func fileOut() {
// initialize data to be written as empty string
var data string = ""
@@ -310,11 +309,24 @@ func fileOut( home string ) {
}
}
// get home directory from user
home, err := dir()
if err != nil { // check if home dir failed
panic( err ) // panic if so
}
// XXX
if flag { // if debug set, print home directory
print( "home (fO): ", home )
}
// cast writestring to byte array, write to file named "data"
// if a file doesn't exist, make with 0x644 permissions
// take error as err, if fails
err := write( home + "/data", []byte( data ), 0644 )
err = write( home + "/data", []byte( data ), 0644 )
// XXX
if flag { // if debug set, print data written
print( data )
}
@@ -329,7 +341,7 @@ func fileOut( home string ) {
// FILEIN
// warpper function to contain all the file reading
func fileIn( home string ) {
func fileIn() {
// test string to use in lieu of a file
// file :=
@@ -352,6 +364,18 @@ func fileIn( home string ) {
// >30 >30 ~ subtask fill
// > > ~ subtask fill delim
// get home directory from user
home, err := dir()
if err != nil { // check if home dir failed
panic( err ) // panic if so
}
// XXX
if flag { // if debug set, print home directory
print( "home (fI): ", home )
}
file, err := read( home + "/data" ) // open file, failure set err
// declare board, because if statement gets mad if I don't
@@ -470,7 +494,7 @@ func fileIn( home string ) {
// -----------------------------------------------------------------------------
// HELP( commands []string )
//
// Revn: 03-10-2022
// Revn: 04-14-2022
// Args: commands - array of strings
// list of commands, should begin with "help" here
// any subcommands would specify with which
@@ -494,6 +518,7 @@ func fileIn( home string ) {
// 03-10-2022: rewrote /delete/ to reflect new scope
// removed /move/ and /choose/ portions, because those
// commands were removed
// 04-15-2022: added /about/ section
//
// -----------------------------------------------------------------------------
func help( commands []string ) {
@@ -564,12 +589,143 @@ func help( commands []string ) {
print( " quit" )
print( " \\-- exit program" )
}
if helpFlag || c == "save" {
print( " save" )
print( " \\-- save changes to file without exiting" )
}
if c == "about" {
print( " about" )
print( " \\-- kanban board in the terminal" )
}
print() // print extra line to avoid cluttered look
}
// -----------------------------------------------------------------------------
// HELP( command string )
//
// Revn: 04-15-2022
// Args: commands - string
// Func: more in depth help messages than the normal function, to be
// called from a different function
// TODO: rewrite?
// -----------------------------------------------------------------------------
// CHANGE LOG
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// 04-15-2022: init
//
// -----------------------------------------------------------------------------
func Help( command string ) {
switch command {
case "delete":
print( " usage - /delete/" )
print( " \\-- permanently remove an object" )
print( " |" )
print( " \\-> delete [board] <b>")
print( " |" )
print( " \\-- deletes a board named /b/" )
print( " \\ if the flag /board/ is not present, it will be assumed" )
print( " \\ if /b/ doesn't exist, /delete/ will alert user" )
print( " |" )
print( " \\-> delete task <t>" )
print( " |" )
print( " \\-- deletes a task named /t/" )
print( " \\ will fail without /task/ flag" )
print( " \\ if /t/ doesn't exist, /delete/ will alert user" )
print( " |" )
print( " \\-> delete subtask <s>" )
print( " |" )
print( " \\-- deletes a subtask named /s/" )
print( " \\ will fail without /subtask/ flag" )
print( " \\ if /s/ doesn't exist, /delete/ will alert user" )
print()
case "make":
print( " usage - /make/" )
print( " \\-- create a new object" )
print( " |" )
print( " \\-> make [board] <b>" )
print( " |" )
print( " \\-- creates a new board named /b/" )
print( " \\ if the flag /board/ is not present, it will be assumed" )
print( " \\ board names cannot contain the word \"task\"" )
print( " |" )
print( " \\-> make [board] <b> task <t>" )
print( " |" )
print( " \\-- creates a new task named <t> under board <b>" )
print( " \\ will fail without /task/ flag" )
print( " \\ if the flag /board/ is not present, it will be assumed" )
print( " \\ neither board nor task names may contain the word \"task\"" )
print( " |" )
print( " \\-> make task <t> subtask <s>" )
print( " |" )
print( " \\-- creates a new subtask named <s> under task <t>" )
print( " \\ will fail without /task/ and /subtask/ flags" )
print( " \\ neither task nor subtask names may contain the words" )
print( " \\ \"task\" or \"subtask\"" )
print()
case "mark":
print( " usage - /mark/" )
print( " \\-- set a fill of a task or subtask" )
print( " |" )
print( " \\-> mark task <t> <fill>" )
print( " |" )
print( " \\-- set the status of task /t/ to /fill/" )
print( " \\ /fill/" )
print( " \\-- must be an integer" )
print( " \\-- negative numbers are allowed (and lowkey encouraged)" )
print( " \\-- numbers above 100 are truncated" )
print( " \\ will fail without /task/ flag" )
print( " \\ task names cannot contain the word \"task\"" )
print( " |" )
print( " \\-> mark subtask <s> <fill>" )
print( " |" )
print( " \\-- set the status of subtask /t/ to /fill/" )
print( " \\ /fill/" )
print( " \\-- must be an integer" )
print( " \\-- negative numbers are allowed (and lowkey encouraged)" )
print( " \\-- numbers above 100 are truncated" )
print( " \\ will fail without /subtask/ flag" )
print( " \\ subtask names cannot contain the words" )
print( " \\ \"task\" or \"subtask\"" )
print()
case "show":
print( " usage - /show/" )
print( " \\-- print user-requested objects" )
print( " |" )
print( " \\-> show boards" )
print( " |" )
print( " \\-- print a quick list of all boards" )
print( " |" )
print( " \\-> show tasks" )
print( " |" )
print( " \\-- print a quick list of all tasks (under their respective boards)" )
print( " |" )
print( " \\-> show [all]" )
print( " |" )
print( " \\-- print everything" )
print( " |" )
print( " \\-> show [board] <b>" )
print( " |" )
print( " \\-- print everything inside board /b/" )
print( " \\ if the flag /board/ is not present, it will be assumed" )
print( " |" )
print( " \\-> show task <t>" )
print( " |" )
print( " \\-- print parent board of task /t/, task /t/, and its contents" )
print( " \\ will fail without /task/ flag" )
print( " |" )
print( " \\-> show subtask <s>" )
print( " |" )
print( " \\-- show the parent board and task of subtask /s/" )
print( " \\ will fail without /subtask/ flag" )
print()
default:
print( "what? how?" )
}
}
// -----------------------------------------------------------------------------
// DELETE( search query )
//
@@ -604,6 +760,7 @@ func del( search query ) {
// if fail is set, quit
if search.command == "fail" {
Help( "delete" )
return
}
@@ -787,6 +944,7 @@ func сделай( search query ) {
// if fail is set, quit
if search.command == "fail" {
Help( "make" )
return
}
@@ -802,8 +960,7 @@ func сделай( search query ) {
// print error, call help about it
print( "Error in make()" )
print( "No object specified" )
makeFailure := []string{ "help", "make" }
help( makeFailure )
Help( "make" )
return
} else { // yes board
exists = true // signal that parent did exist
@@ -821,8 +978,7 @@ func сделай( search query ) {
// print error, call help about it
print( "Error in make()" )
print( "Cannot make task without specifying board" )
makeFailure := []string{ "help", "make" }
help( makeFailure )
Help( "make" )
return
} else { // board is specified
exists = true // signal parent did exist
@@ -854,8 +1010,7 @@ func сделай( search query ) {
// print error, call help about it
print( "Error in make()" )
print( "Cannot make subtask with specifying task" )
makeFailure := []string{ "help", "make" }
help( makeFailure )
Help( "make" )
return
} else { // yes task
// iterate over boards to look for requested task
@@ -901,8 +1056,7 @@ func сделай( search query ) {
p( " object " )
}
print( "does not exist" )
makeFailure := []string{ "help", "make" }
help( makeFailure )
Help( "make" )
}
}
@@ -944,6 +1098,7 @@ func mark( search query ) {
// if parse() failed, simply return
// probably print failure too?
if search.command == "fail" {
Help( "mark" )
return
}
@@ -960,14 +1115,13 @@ func mark( search query ) {
// on error, print failure, call help about it, return
if err != nil {
print( "Fill value /" + search.subB + "/ is not a number" )
markFailure := []string{ "help", "mark" }
help( markFailure )
Help( "mark" )
return
}
// round fill down to 100 max, specifically allow negative fill
if markFill > 100 {
markFill = 100
search.subB = "100"
}
if x != "" { // should be true, board is given
@@ -1027,8 +1181,7 @@ func mark( search query ) {
// switch over first command
// switch over length of subcommand
// switch over contents of subcommand
// TODO: contemplate help case
// move to external file?
// TODO: move to external file?
// -----------------------------------------------------------------------------
// CHANGE LOG
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -1070,7 +1223,7 @@ func parse( commands []string ) query {
// big switch statement over command
switch comm {
// these don't really need processing, break out immediately
case "save", "set", "quit", "exit":
case "save", "set", "quit", "exit", "help", "":
return search
case "delete":
// there are only so many types of commands that work here
@@ -1268,6 +1421,7 @@ func parse( commands []string ) query {
// show
// set subcommand to all
search.subA = "all"
return search
} else {
switch subcommands[0] {
case "boards", "tasks":
@@ -1317,7 +1471,6 @@ func parse( commands []string ) query {
}
default: // command not recognized
// print error, call help about it
//print( "Command /", comm, "/ not recognized" )
print( "Command /", comm, "/ not recognized" )
commFailure := []string{ "help" }
help( commFailure )
@@ -1451,8 +1604,7 @@ func show( search query ) {
} else { // if board DNE
// print error, call help about it
print( "Board /" + sbd + "/ does not exist" )
showFailure := []string{ "help", "show" }
help( showFailure )
Help( "show" )
return
}
case "boards":
@@ -1504,8 +1656,7 @@ func show( search query ) {
// print error
// call help about it
print( "Task /" + stk + "/ does not exist" )
showFailure := []string{ "help", "show" }
help( showFailure )
Help( "show" )
return
}
case "tasks":
@@ -1549,16 +1700,14 @@ func show( search query ) {
// print error
// call help about it
print( "Subtask /" + sstk + "/ does not exist" )
showFailure := []string{ "help", "show" }
help( showFailure )
Help( "show" )
return
}
default: // unrecognized subcommand
// print error, call help about it
print( "Error in show()" )
print( "Subcommand /" + subcom + "/ does not exist" )
showFailure := []string{ "help", "show" }
help( showFailure )
Help( "show" )
return
}
}
@@ -1615,16 +1764,9 @@ var home string // declare string to keep track of home dir
// MAIN
func main() {
// get home directory from user
home, err := dir()
if err != nil { // check if home dir failed
panic( err ) // panic if so
}
catch() // call function to catch keyboard interrupts
fileIn( home ) // open data file, process into structure
fileIn() // open data file, process into structure
for { // infinite loop, where everything happens
@@ -1671,7 +1813,7 @@ func main() {
case "mark":
mark( search )
case "save":
fileOut( home )
fileOut()
changed = false
print( "Updates saved" )
case "show":
@@ -1685,7 +1827,7 @@ func main() {
// if file was changed, rewrite to file
if changed {
fileOut( home )
fileOut()
}
exit( 0 ) // exeunt
@@ -1704,7 +1846,7 @@ func main() {
if cmd {
// if file was changed, rewrite to file
if changed {
fileOut( home )
fileOut()
}
break
}