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separate parsing and rendering

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This commit is contained in:
Mark McGranaghan 2012-10-09 09:27:22 -07:00
parent c597b89bf2
commit c81b1de4ab
1 changed files with 51 additions and 50 deletions
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101
tool/generate.go
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@ -22,16 +22,6 @@ func check(err error) {
}
}
func filterStrings(vs []string, f func(string) bool) []string {
vsf := make([]string, 0)
for _, v := range vs {
if f(v) {
vsf = append(vsf, v)
}
}
return vsf
}
func ensureDir(dir string) {
err := os.MkdirAll(dir, 0700)
check(err)
@ -113,14 +103,19 @@ var docsPat = regexp.MustCompile("^\\s*(\\/\\/|#)\\s")
var headerPat = regexp.MustCompile("^\\s*(\\/\\/|#)\\s#+\\s")
var todoPat = regexp.MustCompile("\\/\\/ todo: ")
type seg struct {
type Seg struct {
docs, code, docsRendered, codeRendered string
}
func parseSegs(sourcePath string) []*seg {
type Chapter struct {
id, name string
segs []*Seg
}
func parseSegs(sourcePath string) []*Seg {
lines := readLines(sourcePath)
segs := []*seg{}
segs = append(segs, &seg{code: "", docs: ""})
segs := []*Seg{}
segs = append(segs, &Seg{code: "", docs: ""})
lastSeen := ""
for _, line := range lines {
if todoPat.MatchString(line) {
@ -141,7 +136,7 @@ func parseSegs(sourcePath string) []*seg {
if headerMatch || (emptyMatch && lastHeader) {
trimmed := docsPat.ReplaceAllString(line, "")
if newHeader {
newSeg := seg{docs: trimmed, code: ""}
newSeg := Seg{docs: trimmed, code: ""}
segs = append(segs, &newSeg)
} else {
lastSeg.docs = lastSeg.docs + "\n" + trimmed
@ -152,7 +147,7 @@ func parseSegs(sourcePath string) []*seg {
trimmed := docsPat.ReplaceAllString(line, "")
if newDocs {
debug("NEWSEG")
newSeg := seg{docs: trimmed, code: ""}
newSeg := Seg{docs: trimmed, code: ""}
segs = append(segs, &newSeg)
} else {
lastSeg.docs = lastSeg.docs + "\n" + trimmed
@ -161,7 +156,7 @@ func parseSegs(sourcePath string) []*seg {
lastSeen = "docs"
} else {
if newCode {
newSeg := seg{docs: "", code: line}
newSeg := Seg{docs: "", code: line}
segs = append(segs, &newSeg)
} else {
lastSeg.code = lastSeg.code + "\n" + line
@ -170,10 +165,10 @@ func parseSegs(sourcePath string) []*seg {
lastSeen = "code"
}
}
return append(segs, &seg{code: "", docs: ""})
return append(segs, &Seg{code: "", docs: ""})
}
func parseAndRenderSegs(sourcePath string) []*seg {
func parseAndRenderSegs(sourcePath string) []*Seg {
segs := parseSegs(sourcePath)
lexer := whichLexer(sourcePath)
for _, seg := range segs {
@ -187,14 +182,29 @@ func parseAndRenderSegs(sourcePath string) []*seg {
return segs
}
func buildChapters() []string {
func parseChapters() []*Chapter {
chapterLines := readLines("meta/chapters.txt")
return filterStrings(chapterLines, func(ch string) bool {
return (ch != "") && !strings.HasPrefix(ch, "#")
})
chapters := make([]*Chapter, 0)
for _, chapterId := range chapterLines {
if (chapterId != "") && !strings.HasPrefix(chapterId, "#") {
chapter := Chapter{id: chapterId}
chapterLines := readLines("src/" + chapterId + "/" + chapterId + ".go")
chapter.name = chapterLines[0][6:]
chapterPath := "src/" + chapterId
sourcePaths := mustGlob(chapterPath + "/*")
segs := []*Seg{}
for _, sourcePath := range sourcePaths {
sourceSegs := parseAndRenderSegs(sourcePath)
segs = append(segs, sourceSegs...)
}
chapter.segs = segs
chapters = append(chapters, &chapter)
}
}
return chapters
}
func renderIndex(chapterIds []string) {
func renderIndex(chapters []*Chapter) {
indexF, err := os.Create(siteDir + "/index.html")
check(err)
fmt.Fprint(indexF,
@ -210,21 +220,15 @@ func renderIndex(chapterIds []string) {
<h2>Go by Example</h2>
<ul>`)
for _, chapterId := range chapterIds {
chapterLines := readLines("src/" + chapterId + "/" + chapterId + ".go")
chapterName := chapterLines[0][6:]
fmt.Fprintf(indexF, `<li><a href="%s.html">%s</a></li>`, chapterId, chapterName)
for _, chapter := range chapters {
fmt.Fprintf(indexF, `<li><a href="%s.html">%s</a></li>`, chapter.id, chapter.name)
}
fmt.Fprint(indexF, `</ul></div></body></html>`)
}
func renderChapters(chapterIds []string) {
for _, chapterId := range chapterIds {
chapterLines := readLines("src/" + chapterId + "/" + chapterId + ".go")
chapterName := chapterLines[0][6:]
chapterPath := "src/" + chapterId
sourcePaths := mustGlob(chapterPath + "/*")
chapterF, err := os.Create(siteDir + "/" + chapterId + ".html")
func renderChapters(chapters []*Chapter) {
for _, chapter := range chapters {
chapterF, err := os.Create(siteDir + "/" + chapter.id + ".html")
check(err)
fmt.Fprintf(chapterF,
`<!DOCTYPE html>
@ -237,21 +241,18 @@ func renderChapters(chapterIds []string) {
<body>
<div class="chapter" id="%s">
<table cellspacing="0" cellpadding="0"><tbody>`,
chapterName, chapterId)
for _, sourcePath := range sourcePaths {
segs := parseAndRenderSegs(sourcePath)
for _, seg := range segs {
codeClasses := "code"
if seg.code == "" {
codeClasses = codeClasses + " empty"
}
fmt.Fprintf(chapterF,
`<tr>
<td class=docs>%s</td>
<td class="%s">%s</td>
</tr>`,
seg.docsRendered, codeClasses, seg.codeRendered)
chapter.name, chapter.id)
for _, seg := range chapter.segs {
codeClasses := "code"
if seg.code == "" {
codeClasses = codeClasses + " empty"
}
fmt.Fprintf(chapterF,
`<tr>
<td class=docs>%s</td>
<td class="%s">%s</td>
</tr>`,
seg.docsRendered, codeClasses, seg.codeRendered)
}
fmt.Fprint(chapterF, `</tbody></table></div></body></html>`)
}
@ -259,7 +260,7 @@ func renderChapters(chapterIds []string) {
func main() {
ensureDir(siteDir)
chapters := buildChapters()
chapters := parseChapters()
renderIndex(chapters)
renderChapters(chapters)
}