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html.go
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html.go
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package formats
import (
"embed"
"fmt"
"os"
"text/template"
"github.com/giocirque/gocovrpt/lib"
)
const fileExt = ".html"
var (
//go:embed assets/*
assets embed.FS
//go:embed templates/*
templates embed.FS
supportFiles = []string{
"assets/highlight/highlight.min.js",
"assets/highlight/highlightjs-line-numbers.min.js",
"assets/highlight/highlightjs-highlight-lines.min.js",
"assets/highlight/styles/obsidian.min.css",
"assets/gocovrpt.min.css",
}
)
func FormatHtml(context *lib.ReportContext) error {
fmt.Printf("Generating HTML report for %d profiles\n\n", len(context.ReportedFiles))
// Write out supporting files, CSS, JS, etc.
writeSupportingFile(context.Output)
// Build the template with helper functions
templ, err := template.New("").Funcs(template.FuncMap{
"first": func(a []lib.ReportedBlock) lib.ReportedBlock {
if len(a) > 0 {
return a[0]
}
return lib.ReportedBlock{}
},
"last": func(a []lib.ReportedBlock) lib.ReportedBlock {
if len(a) > 0 {
return a[len(a)-1]
}
return lib.ReportedBlock{}
},
"sourceCode": func(a lib.ReportedFile) string {
sourceCode, err := a.GetSourceCode()
if err != nil {
return err.Error()
}
return sourceCode
},
"swapExt": func(value string, ext string) string {
return lib.SwapFileExt(value, ext)
},
}).ParseFS(templates, "templates/*.gohtml")
if err != nil {
return err
}
if context.IsFullReport {
return writeFullReport(context, templ)
} else {
return writeSummaryReport(context, templ)
}
}
func writeSummaryReport(context *lib.ReportContext, templ *template.Template) error {
// Write the summary report file
rootFolder := context.GetPseudoFolder()
outputFile := lib.SwapFileExt(rootFolder.OutFilePath, fileExt)
file, err := lib.MakeFile(outputFile)
if err != nil {
return err
}
defer file.Close()
err = templ.ExecuteTemplate(file, "summary.gohtml", rootFolder)
if err != nil {
return err
}
fmt.Printf("HTML report generated at %s\n", outputFile)
return nil
}
func writeFullReport(context *lib.ReportContext, templ *template.Template) error {
// Write the file reports
for _, rptFile := range context.ReportedFiles {
outputFile := rptFile.WithExtension(fileExt)
file, err := lib.MakeFile(outputFile)
if err != nil {
return err
}
defer file.Close()
err = templ.ExecuteTemplate(file, "file.gohtml", rptFile)
if err != nil {
return err
}
}
// Write the folder reports
allFolder := context.GetAllFolders()
for _, rptFolder := range allFolder {
outputFile := rptFolder.WithExtension(fileExt)
file, err := lib.MakeFile(outputFile)
if err != nil {
return err
}
defer file.Close()
err = templ.ExecuteTemplate(file, "folder.gohtml", rptFolder)
if err != nil {
return err
}
}
// Write the root report file
rootFolder := context.GetPseudoFolder()
outputFile := lib.SwapFileExt(rootFolder.OutFilePath, fileExt)
file, err := lib.MakeFile(outputFile)
if err != nil {
return err
}
defer file.Close()
err = templ.ExecuteTemplate(file, "folder.gohtml", rootFolder)
if err != nil {
return err
}
fmt.Printf("HTML report generated at %s\n", outputFile)
return nil
}
func writeSupportingFile(outPath string) {
for _, supFile := range supportFiles {
fileOutPath := outPath + "/" + supFile
err := lib.MakeFileDir(fileOutPath)
if err != nil {
lib.HandleStopError(err)
} else {
data, err := assets.ReadFile(supFile)
if err != nil {
lib.HandleStopError(err)
}
err = os.WriteFile(fileOutPath, data, 0644)
if err != nil {
lib.HandleStopError(err)
}
}
}
}