mirror of
https://github.com/go-gitea/gitea.git
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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
151 lines
4.3 KiB
Go
Vendored
151 lines
4.3 KiB
Go
Vendored
package org
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import (
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"regexp"
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"strings"
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"unicode"
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)
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type Block struct {
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Name string
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Parameters []string
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Children []Node
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Result Node
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}
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type Result struct {
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Node Node
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}
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type Example struct {
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Children []Node
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}
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var exampleLineRegexp = regexp.MustCompile(`^(\s*):(\s(.*)|\s*$)`)
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var beginBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+BEGIN_(\w+)(.*)`)
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var endBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+END_(\w+)`)
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var resultRegexp = regexp.MustCompile(`(?i)^(\s*)#\+RESULTS:`)
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var exampleBlockEscapeRegexp = regexp.MustCompile(`(^|\n)([ \t]*),([ \t]*)(\*|,\*|#\+|,#\+)`)
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func lexBlock(line string) (token, bool) {
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if m := beginBlockRegexp.FindStringSubmatch(line); m != nil {
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return token{"beginBlock", len(m[1]), strings.ToUpper(m[2]), m}, true
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} else if m := endBlockRegexp.FindStringSubmatch(line); m != nil {
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return token{"endBlock", len(m[1]), strings.ToUpper(m[2]), m}, true
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}
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return nilToken, false
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}
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func lexResult(line string) (token, bool) {
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if m := resultRegexp.FindStringSubmatch(line); m != nil {
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return token{"result", len(m[1]), "", m}, true
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}
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return nilToken, false
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}
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func lexExample(line string) (token, bool) {
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if m := exampleLineRegexp.FindStringSubmatch(line); m != nil {
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return token{"example", len(m[1]), m[3], m}, true
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}
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return nilToken, false
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}
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func isRawTextBlock(name string) bool { return name == "SRC" || name == "EXAMPLE" || name == "EXPORT" }
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func (d *Document) parseBlock(i int, parentStop stopFn) (int, Node) {
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t, start := d.tokens[i], i
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name, parameters := t.content, splitParameters(t.matches[3])
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trim := trimIndentUpTo(d.tokens[i].lvl)
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stop := func(d *Document, i int) bool {
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return i >= len(d.tokens) || (d.tokens[i].kind == "endBlock" && d.tokens[i].content == name)
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}
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block, i := Block{name, parameters, nil, nil}, i+1
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if isRawTextBlock(name) {
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rawText := ""
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for ; !stop(d, i); i++ {
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rawText += trim(d.tokens[i].matches[0]) + "\n"
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}
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if name == "EXAMPLE" || (name == "SRC" && len(parameters) >= 1 && parameters[0] == "org") {
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rawText = exampleBlockEscapeRegexp.ReplaceAllString(rawText, "$1$2$3$4")
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}
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block.Children = d.parseRawInline(rawText)
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} else {
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consumed, nodes := d.parseMany(i, stop)
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block.Children = nodes
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i += consumed
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}
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if i >= len(d.tokens) || d.tokens[i].kind != "endBlock" || d.tokens[i].content != name {
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return 0, nil
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}
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if name == "SRC" {
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consumed, result := d.parseSrcBlockResult(i+1, parentStop)
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block.Result = result
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i += consumed
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}
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return i + 1 - start, block
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}
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func (d *Document) parseSrcBlockResult(i int, parentStop stopFn) (int, Node) {
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start := i
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for ; !parentStop(d, i) && d.tokens[i].kind == "text" && d.tokens[i].content == ""; i++ {
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}
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if parentStop(d, i) || d.tokens[i].kind != "result" {
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return 0, nil
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}
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consumed, result := d.parseResult(i, parentStop)
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return (i - start) + consumed, result
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}
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func (d *Document) parseExample(i int, parentStop stopFn) (int, Node) {
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example, start := Example{}, i
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for ; !parentStop(d, i) && d.tokens[i].kind == "example"; i++ {
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example.Children = append(example.Children, Text{d.tokens[i].content, true})
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}
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return i - start, example
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}
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func (d *Document) parseResult(i int, parentStop stopFn) (int, Node) {
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if i+1 >= len(d.tokens) {
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return 0, nil
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}
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consumed, node := d.parseOne(i+1, parentStop)
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return consumed + 1, Result{node}
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}
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func trimIndentUpTo(max int) func(string) string {
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return func(line string) string {
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i := 0
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for ; i < len(line) && i < max && unicode.IsSpace(rune(line[i])); i++ {
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}
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return line[i:]
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}
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}
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func splitParameters(s string) []string {
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parameters, parts := []string{}, strings.Split(s, " :")
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lang, rest := strings.TrimSpace(parts[0]), parts[1:]
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if lang != "" {
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parameters = append(parameters, lang)
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}
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for _, p := range rest {
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kv := strings.SplitN(p+" ", " ", 2)
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parameters = append(parameters, ":"+kv[0], strings.TrimSpace(kv[1]))
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}
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return parameters
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}
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func (b Block) ParameterMap() map[string]string {
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if len(b.Parameters) == 0 {
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return nil
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}
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m := map[string]string{":lang": b.Parameters[0]}
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for i := 1; i+1 < len(b.Parameters); i += 2 {
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m[b.Parameters[i]] = b.Parameters[i+1]
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}
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return m
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}
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func (n Example) String() string { return orgWriter.WriteNodesAsString(n) }
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func (n Block) String() string { return orgWriter.WriteNodesAsString(n) }
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func (n Result) String() string { return orgWriter.WriteNodesAsString(n) }
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