diff options
Diffstat (limited to 'document_attribute.go')
| -rw-r--r-- | document_attribute.go | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/document_attribute.go b/document_attribute.go index 357a0e0..7d40a50 100644 --- a/document_attribute.go +++ b/document_attribute.go @@ -3,7 +3,11 @@ package asciidoctor -import "strings" +import ( + "fmt" + "strconv" + "strings" +) // List of document attribute. const ( @@ -22,6 +26,7 @@ const ( docAttrLastName = `lastname` docAttrLastUpdateLabel = `last-update-label` docAttrLastUpdateValue = `last-update-value` + docAttrLevelOffset = `leveloffset` docAttrMiddleName = `middlename` docAttrNoFooter = `nofooter` docAttrNoHeader = `noheader` @@ -57,7 +62,8 @@ const ( // DocumentAttribute contains the mapping of global attribute keys in the // headers with its value. type DocumentAttribute struct { - Entry map[string]string + Entry map[string]string + LevelOffset int } func newDocumentAttribute() DocumentAttribute { @@ -74,18 +80,33 @@ func newDocumentAttribute() DocumentAttribute { } } -func (docAttr *DocumentAttribute) apply(key, val string) { +func (docAttr *DocumentAttribute) apply(key, val string) (err error) { if key[0] == '!' { key = strings.TrimSpace(key[1:]) delete(docAttr.Entry, key) - return + return nil } var n = len(key) if key[n-1] == '!' { key = strings.TrimSpace(key[:n-1]) delete(docAttr.Entry, key) - return + return nil + } + + if key == docAttrLevelOffset { + var offset int64 + offset, err = strconv.ParseInt(val, 10, 32) + if err != nil { + return fmt.Errorf(`DocumentAttribute: %s: invalid value %q`, key, val) + } + if val[0] == '+' || val[0] == '-' { + docAttr.LevelOffset += int(offset) + goto valid + } + docAttr.LevelOffset = int(offset) } +valid: docAttr.Entry[key] = val + return nil } |