wehub-resource-sync
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85 lines
2.7 KiB
Go
85 lines
2.7 KiB
Go
package languages
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import (
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"regexp"
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"strings"
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"github.com/zzet/gortex/internal/graph"
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"github.com/zzet/gortex/internal/parser"
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)
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// Blade is Laravel's templating engine. Directives start with `@` and
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// their arguments are parenthesised string literals. The extractor
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// models `@section`, `@yield`, `@component`, `@include` as function
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// nodes, and `@extends` as an import edge so cross-template inheritance
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// shows up in the graph.
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var (
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bladeSectionRe = regexp.MustCompile(`(?m)@section\s*\(\s*['"]([^'"]+)['"]`)
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bladeYieldRe = regexp.MustCompile(`(?m)@yield\s*\(\s*['"]([^'"]+)['"]`)
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bladeComponentRe = regexp.MustCompile(`(?m)@component\s*\(\s*['"]([^'"]+)['"]`)
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bladeIncludeRe = regexp.MustCompile(`(?m)@include\s*\(\s*['"]([^'"]+)['"]`)
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bladeExtendsRe = regexp.MustCompile(`(?m)@extends\s*\(\s*['"]([^'"]+)['"]`)
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)
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// BladeExtractor extracts Laravel Blade templates using regex.
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type BladeExtractor struct{}
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func NewBladeExtractor() *BladeExtractor { return &BladeExtractor{} }
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func (e *BladeExtractor) Language() string { return "blade" }
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func (e *BladeExtractor) Extensions() []string { return []string{".blade", ".blade.php"} }
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func (e *BladeExtractor) Extract(filePath string, src []byte) (*parser.ExtractionResult, error) {
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lines := strings.Split(string(src), "\n")
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result := &parser.ExtractionResult{}
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fileNode := &graph.Node{
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ID: filePath, Kind: graph.KindFile, Name: filePath,
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FilePath: filePath, StartLine: 1, EndLine: len(lines),
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Language: "blade",
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}
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result.Nodes = append(result.Nodes, fileNode)
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seen := make(map[string]bool)
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add := func(name string, kind graph.NodeKind, start, end int) {
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if name == "" {
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return
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}
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id := filePath + "::" + name
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if seen[id] {
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return
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}
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seen[id] = true
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result.Nodes = append(result.Nodes, &graph.Node{
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ID: id, Kind: kind, Name: name,
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FilePath: filePath, StartLine: start, EndLine: end,
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Language: "blade",
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})
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result.Edges = append(result.Edges, &graph.Edge{
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From: fileNode.ID, To: id, Kind: graph.EdgeDefines,
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FilePath: filePath, Line: start,
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})
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}
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for _, re := range []*regexp.Regexp{bladeSectionRe, bladeYieldRe, bladeComponentRe, bladeIncludeRe} {
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for _, m := range re.FindAllSubmatchIndex(src, -1) {
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name := string(src[m[2]:m[3]])
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line := lineAt(src, m[0])
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add(name, graph.KindFunction, line, line)
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}
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}
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for _, m := range bladeExtendsRe.FindAllSubmatchIndex(src, -1) {
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mod := string(src[m[2]:m[3]])
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line := lineAt(src, m[0])
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result.Edges = append(result.Edges, &graph.Edge{
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From: fileNode.ID, To: "unresolved::import::" + mod,
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Kind: graph.EdgeImports, FilePath: filePath, Line: line,
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})
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}
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return result, nil
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}
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var _ parser.Extractor = (*BladeExtractor)(nil)
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