mirror of
https://github.com/felixangell/phi.git
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8687f612d4
this means that we can 'type check' command palette arguments, e.g. if something should be a string or not, etc. it uses the same lexer which is used for the syntax highlighting ... let's see how long that lasts.
139 lines
2.5 KiB
Go
139 lines
2.5 KiB
Go
package buff
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import (
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"log"
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"strconv"
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"strings"
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"github.com/felixangell/phi/lex"
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)
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type BufferAction struct {
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name string
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proc func(*BufferView, []*lex.Token) bool
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showInPalette bool
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}
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func NewBufferAction(name string, proc func(*BufferView, []*lex.Token) bool) BufferAction {
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return BufferAction{
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name: name,
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proc: proc,
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showInPalette: true,
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}
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}
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func OpenFile(v *BufferView, commands []*lex.Token) bool {
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path := ""
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if path == "" {
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panic("unimplemented")
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// ive removed this since the cross platform
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// thing causes too much hassle on diff. platforms
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// going to wriet my own file open viewer thing built
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// into the editor instead.
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}
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buff := v.AddBuffer()
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if len(strings.TrimSpace(path)) == 0 {
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return false
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}
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buff.OpenFile(path)
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buff.SetFocus(true)
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v.focusedBuff = buff.index
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return false
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}
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func NewFile(v *BufferView, commands []*lex.Token) bool {
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// TODO some nice error stuff
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// have an error roll thing in the view?
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if !commands[0].IsType(lex.String) {
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return false
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}
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fileName := commands[0].Lexeme
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// strip out the quotes (1...n-1)
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fileName = fileName[1 : len(fileName)-1]
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buff := v.AddBuffer()
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buff.OpenFile(fileName)
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buff.SetFocus(true)
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v.focusedBuff = buff.index
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return false
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}
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func GotoLine(v *BufferView, commands []*lex.Token) bool {
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if len(commands) == 0 {
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return false
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}
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if !commands[0].IsType(lex.Number) {
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return false
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}
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lineNum, err := strconv.ParseInt(commands[0].Lexeme, 10, 64)
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if err != nil {
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log.Println("goto line invalid argument ", err.Error())
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return false
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}
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b := v.getCurrentBuff()
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if b == nil {
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return false
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}
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b.gotoLine(lineNum)
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return false
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}
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func focusLeft(v *BufferView, commands []*lex.Token) bool {
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if v == nil {
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return false
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}
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v.ChangeFocus(-1)
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return false
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}
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func focusRight(v *BufferView, commands []*lex.Token) bool {
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if v == nil {
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return false
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}
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v.ChangeFocus(1)
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return false
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}
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func pageDown(v *BufferView, commands []*lex.Token) bool {
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if v == nil {
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return false
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}
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buff := v.getCurrentBuff()
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if buff == nil {
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return false
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}
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buff.scrollDown(DefaultScrollAmount)
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for i := 0; i < DefaultScrollAmount; i++ {
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buff.moveDown()
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}
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return false
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}
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func pageUp(v *BufferView, commands []*lex.Token) bool {
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if v == nil {
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return false
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}
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buff := v.getCurrentBuff()
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if buff == nil {
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return false
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}
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buff.scrollUp(DefaultScrollAmount)
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for i := 0; i < DefaultScrollAmount; i++ {
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buff.moveUp()
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}
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return false
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}
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