feat(pdfengines): add PDF/UA (#714)

This commit is contained in:
Julien Neuhart
2023-11-05 20:14:36 +01:00
committed by GitHub
parent 9c3dfc78df
commit 143b7ce678
39 changed files with 1300 additions and 1013 deletions

View File

@@ -13,35 +13,34 @@ import (
)
func init() {
gotenberg.MustRegisterModule(PDFcpu{})
gotenberg.MustRegisterModule(new(PdfCpu))
}
// PDFcpu is a module which wraps the https://github.com/pdfcpu/pdfcpu library
// and implements the gotenberg.PDFEngine interface.
type PDFcpu struct {
// PdfCpu abstracts the pdfcpu library and implements the [gotenberg.PdfEngine]
// interface.
type PdfCpu struct {
conf *pdfcpuConfig.Configuration
}
// Descriptor returns a PDFcpu's module descriptor.
func (PDFcpu) Descriptor() gotenberg.ModuleDescriptor {
// Descriptor returns a [PdfCpu]'s module descriptor.
func (engine *PdfCpu) Descriptor() gotenberg.ModuleDescriptor {
return gotenberg.ModuleDescriptor{
ID: "pdfcpu",
New: func() gotenberg.Module { return new(PDFcpu) },
New: func() gotenberg.Module { return new(PdfCpu) },
}
}
// Provision sets the engine properties.
func (engine *PDFcpu) Provision(_ *gotenberg.Context) error {
func (engine *PdfCpu) Provision(ctx *gotenberg.Context) error {
pdfcpuConfig.ConfigPath = "disable"
pdfcpuLog.DisableLoggers()
engine.conf = pdfcpuConfig.NewDefaultConfiguration()
return nil
}
// Merge merges the given PDFs into a unique Pdf.
func (engine PDFcpu) Merge(_ context.Context, _ *zap.Logger, inputPaths []string, outputPath string) error {
// Merge combines multiple PDFs into a single PDF.
func (engine *PdfCpu) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
err := pdfcpuAPI.MergeCreateFile(inputPaths, outputPath, engine.conf)
if err == nil {
return nil
@@ -50,14 +49,14 @@ func (engine PDFcpu) Merge(_ context.Context, _ *zap.Logger, inputPaths []string
return fmt.Errorf("merge PDFs with PDFcpu: %w", err)
}
// Convert is not available for this Pdf engine.
func (engine PDFcpu) Convert(_ context.Context, _ *zap.Logger, format, _, _ string) error {
return fmt.Errorf("convert Pdf to '%s' with PDFcpu: %w", format, gotenberg.ErrPDFEngineMethodNotAvailable)
// Convert is not available in this implementation.
func (engine *PdfCpu) Convert(ctx context.Context, logger *zap.Logger, formats gotenberg.PdfFormats, inputPath, outputPath string) error {
return fmt.Errorf("convert PDF to '%+v' with PDFcpu: %w", formats, gotenberg.ErrPdfEngineMethodNotSupported)
}
// Interface guards.
var (
_ gotenberg.Module = (*PDFcpu)(nil)
_ gotenberg.Provisioner = (*PDFcpu)(nil)
_ gotenberg.PDFEngine = (*PDFcpu)(nil)
_ gotenberg.Module = (*PdfCpu)(nil)
_ gotenberg.Provisioner = (*PdfCpu)(nil)
_ gotenberg.PdfEngine = (*PdfCpu)(nil)
)