5 Commits

Author SHA1 Message Date
amery 23a6bd090c build-sys: use local darvaza.org/core [DO-NOT-MERGE]
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-09-03 17:03:48 +00:00
amery f8fa9d678a build-sys: use local asciigoat.org/core [DO-NOT-MERGE]
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-09-03 17:03:48 +00:00
amery 7e2797607d Merge branch 'pr-amery-textparser' into next-amery 2023-09-03 17:02:51 +00:00
amery d75b2dbc78 basic: rename and document queue related methods
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-09-02 16:07:04 +00:00
amery 46ba96d6b4 basic: refactor error handling
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-09-02 16:06:59 +00:00
4 changed files with 46 additions and 34 deletions
+10 -12
View File
@@ -10,24 +10,22 @@ var (
errInvalidToken = errors.New("invalid token")
)
func newErrInvalidToken(t *token) *lexer.Error {
err := &lexer.Error{
Line: t.pos.Line,
Column: t.pos.Column,
Content: t.value,
Err: errInvalidToken,
}
return err
}
func (dec *decoder) OnError(pos lexer.Position, content string, err error) error {
err = &lexer.Error{
func newError(pos lexer.Position, content, hint string, err error) *lexer.Error {
return &lexer.Error{
Line: pos.Line,
Column: pos.Column,
Content: content,
Hint: hint,
Err: err,
}
}
func newErrInvalidToken(t *token) *lexer.Error {
return newError(t.pos, t.value, "", errInvalidToken)
}
func (dec *decoder) OnError(pos lexer.Position, content string, err error) error {
err = newError(pos, content, "", err)
dec.executeFinal()
return err
}
+31 -20
View File
@@ -32,21 +32,21 @@ func (dec *decoder) executeFinal() {
func (dec *decoder) execute(typ parser.TokenType) {
switch typ {
case parser.TokenSectionEnd:
name1, ok1 := dec.getValue(1, parser.TokenSectionName)
name1, ok1 := dec.queueValue(1, parser.TokenSectionName)
if ok1 {
name2, ok2 := dec.getValue(2, parser.TokenSectionSubname)
name2, ok2 := dec.queueValue(2, parser.TokenSectionSubname)
dec.addSection(name1, name2, ok2)
}
dec.reset()
dec.queueReset()
case parser.TokenFieldValue:
key, _ := dec.getValue(0, parser.TokenFieldKey)
value, _ := dec.getValue(1, parser.TokenFieldValue)
key, _ := dec.queueValue(0, parser.TokenFieldKey)
value, _ := dec.queueValue(1, parser.TokenFieldValue)
dec.addField(key, value)
dec.reset()
dec.queueReset()
}
}
@@ -82,7 +82,8 @@ func (dec *decoder) addField(key, value string) {
}
}
func (dec *decoder) getValue(idx int, typ parser.TokenType) (string, bool) {
// queueValue extracts the value of element on the queue if the type matches.
func (dec *decoder) queueValue(idx int, typ parser.TokenType) (string, bool) {
switch {
case idx < 0 || idx >= len(dec.queue):
// out of range
@@ -95,40 +96,48 @@ func (dec *decoder) getValue(idx int, typ parser.TokenType) (string, bool) {
}
}
func (dec *decoder) reset() {
// queueReset removes all tokens from the queue
func (dec *decoder) queueReset() {
dec.queue = dec.queue[:0]
}
func (dec *decoder) depth(depth int) bool {
// queueDepth confirms the current depth of the queue
func (dec *decoder) queueDepth(depth int) bool {
return len(dec.queue) == depth
}
func (dec *decoder) depthAfter(depth int, typ parser.TokenType) bool {
_, ok := dec.getValue(depth-1, typ)
if ok {
return len(dec.queue) == depth
// queueDepthType confirms the current depth of the queue and the type of the last
// element.
func (dec *decoder) queueDepthType(depth int, typ parser.TokenType) bool {
if dec.queueDepth(depth) {
return dec.queueType(depth-1, typ)
}
return false
}
// queueType tells if the specified element on the queue is of the required type.
func (dec *decoder) queueType(idx int, typ parser.TokenType) bool {
_, ok := dec.queueValue(idx, typ)
return ok
}
func (dec *decoder) typeOK(typ parser.TokenType) bool {
switch typ {
case parser.TokenSectionStart, parser.TokenFieldKey:
// first token only
return dec.depth(0)
return dec.queueDepth(0)
case parser.TokenSectionName:
// right after TokenSectionStart
return dec.depthAfter(1, parser.TokenSectionStart)
return dec.queueDepthType(1, parser.TokenSectionStart)
case parser.TokenSectionSubname:
// right after TokenSectionName
return dec.depthAfter(2, parser.TokenSectionName)
return dec.queueDepthType(2, parser.TokenSectionName)
case parser.TokenSectionEnd:
// only on a section with name
_, ok := dec.getValue(1, parser.TokenSectionName)
return ok
return dec.queueType(1, parser.TokenSectionName)
case parser.TokenFieldValue:
// right after a TokenFieldKey
return dec.depthAfter(1, parser.TokenFieldKey)
return dec.queueDepthType(1, parser.TokenFieldKey)
default:
// never
return false
@@ -149,6 +158,8 @@ func (dec *decoder) OnToken(pos lexer.Position, typ parser.TokenType, value stri
return nil
default:
// unacceptable
return newErrInvalidToken(t)
err := newErrInvalidToken(t)
dec.executeFinal()
return err
}
}
+5
View File
@@ -2,6 +2,11 @@ module asciigoat.org/ini
go 1.19
replace (
asciigoat.org/core => ../core
darvaza.org/core => ../../darvaza.org/core
)
require (
asciigoat.org/core v0.3.7
github.com/mgechev/revive v1.3.3
-2
View File
@@ -1,5 +1,3 @@
asciigoat.org/core v0.3.7 h1:tMasdvZgsMJJMVsZVfXXB5lqq82pFiCsyEmOEmcmAfI=
asciigoat.org/core v0.3.7/go.mod h1:tXj+JUutxRbcO40ZQRuUVaZ4rnYz1kAZ0nblisV8u74=
github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
github.com/chavacava/garif v0.1.0 h1:2JHa3hbYf5D9dsgseMKAmc/MZ109otzgNFk5s87H9Pc=