Sebi/MarkdownToIHKChemnits
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Add support for rotated appendices: implement 90° CCW image rotation for portrait pages, enhance table rendering logic, and update diagram handling directives.

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Sebastian Unterschütz
2026-05-17 23:41:45 +02:00
parent 427372b82b
commit d6b3854681
9 changed files with 318 additions and 22 deletions
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markdown_parser.go
+27 -3
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@@ -46,6 +46,7 @@ func ParseMarkdown(mdPath string) (Config, ast.Node, []byte, error) {
type parserState struct {
nextCodeIsAppendix bool
nextAppendixLandscape bool // set by @AnhangUMLQuer: — landscape for diagram appendix
nextAppendixRotated bool // set by @AnhangUMLGedreht: — portrait page, image rotated 90° CCW
appendixTitle string
nextCodeBlockAppendix bool // set by @AnhangCode: — next non-diagram code block → appendix
codeBlockAppendixTitle string
@@ -122,6 +123,7 @@ func RenderAST(doc ast.Node, content []byte, r *IHKRenderer) error {
state.nextDiagramCaption = ""
state.nextCodeIsAppendix = false
state.nextAppendixLandscape = false
state.nextAppendixRotated = false
}
if err == nil {
switch {
@@ -130,15 +132,24 @@ func RenderAST(doc ast.Node, content []byte, r *IHKRenderer) error {
state.nextDiagramLandscape = false
state.nextDiagramCaption = ""
case state.nextCodeIsAppendix:
if state.nextAppendixLandscape {
switch {
case state.nextAppendixLandscape:
r.AddLandscapeAppendix(state.appendixTitle + " | " + imgPath)
state.nextAppendixLandscape = false
} else {
case state.nextAppendixRotated:
r.AddRotatedUMLAppendix(state.appendixTitle, imgPath)
state.nextAppendixRotated = false
default:
r.AddAppendix(state.appendixTitle + " | " + imgPath)
}
state.nextCodeIsAppendix = false
default:
r.RenderImage(imgPath, "Diagram ("+lang+")")
caption := state.nextDiagramCaption
if caption == "" {
caption = "Diagram (" + lang + ")"
}
state.nextDiagramCaption = ""
r.RenderImage(imgPath, caption)
}
return ast.WalkSkipChildren, nil
}
@@ -287,6 +298,15 @@ func handleDirectives(text string, state *parserState, r *IHKRenderer) bool {
state.nextAppendixLandscape = true
state.appendixTitle = strings.TrimSpace(strings.TrimPrefix(line, "@AnhangUMLQuer:"))
handled = true
case strings.HasPrefix(line, "@AnhangUMLGedreht:"):
// Portrait page, image rotated 90° CCW — long axis runs top-to-bottom.
state.nextCodeIsAppendix = true
state.nextAppendixRotated = true
state.appendixTitle = strings.TrimSpace(strings.TrimPrefix(line, "@AnhangUMLGedreht:"))
handled = true
case strings.HasPrefix(line, "@AnhangBildGedreht:"):
r.AddRotatedImageAppendix(strings.TrimSpace(strings.TrimPrefix(line, "@AnhangBildGedreht:")))
handled = true
case strings.HasPrefix(line, "@AnhangUML:"):
state.nextCodeIsAppendix = true
state.appendixTitle = strings.TrimSpace(strings.TrimPrefix(line, "@AnhangUML:"))
@@ -307,6 +327,10 @@ func handleDirectives(text string, state *parserState, r *IHKRenderer) bool {
state.nextDiagramLandscape = true
state.nextDiagramCaption = strings.TrimSpace(strings.TrimPrefix(line, "@DiagrammQuer:"))
handled = true
case strings.HasPrefix(line, "@Diagramm:"):
// Portrait inline diagram — rendered at current position via RenderImage.
state.nextDiagramCaption = strings.TrimSpace(strings.TrimPrefix(line, "@Diagramm:"))
handled = true
}
}
return handled