mirror of
https://github.com/Dadido3/go-typst.git
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102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
// Copyright (c) 2024-2025 David Vogel
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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package typst
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import (
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"bytes"
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"fmt"
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"io"
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"os/exec"
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)
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// TODO: Add docker support to CLI, by calling docker run instead
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// TODO: Add an interface for the Typst caller and let CLI (and later docker and WASM) be implementations of that
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type CLI struct {
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ExecutablePath string // The Typst executable path can be overridden here. Otherwise the default path will be used.
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}
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// TODO: Add method for querying the Typst version resulting in a semver object
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// VersionString returns the version string as returned by Typst.
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func (c CLI) VersionString() (string, error) {
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// Get path of executable.
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execPath := ExecutablePath
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if c.ExecutablePath != "" {
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execPath = c.ExecutablePath
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}
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cmd := exec.Command(execPath, "--version")
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var output, errBuffer bytes.Buffer
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cmd.Stdout = &output
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cmd.Stderr = &errBuffer
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if err := cmd.Run(); err != nil {
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switch err := err.(type) {
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case *exec.ExitError:
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return "", ParseStderr(errBuffer.String(), err)
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default:
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return "", err
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}
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}
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return output.String(), nil
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}
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// Compile takes a Typst document from input, and renders it into the output writer.
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// The options parameter is optional.
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func (c CLI) Compile(input io.Reader, output io.Writer, options *CLIOptions) error {
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args := []string{"c"}
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if options != nil {
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args = append(args, options.Args()...)
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}
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args = append(args, "--diagnostic-format", "human", "-", "-")
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// Get path of executable.
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execPath := ExecutablePath
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if c.ExecutablePath != "" {
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execPath = c.ExecutablePath
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}
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cmd := exec.Command(execPath, args...)
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cmd.Stdin = input
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cmd.Stdout = output
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errBuffer := bytes.Buffer{}
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cmd.Stderr = &errBuffer
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if err := cmd.Run(); err != nil {
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switch err := err.(type) {
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case *exec.ExitError:
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return ParseStderr(errBuffer.String(), err)
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default:
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return err
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}
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}
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return nil
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}
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// CompileWithVariables takes a Typst document from input, and renders it into the output writer.
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// The options parameter is optional.
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//
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// Additionally this will inject the given map of variables into the global scope of the Typst document.
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//
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// Deprecated: You should use InjectValues in combination with the normal Compile method instead.
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func (c CLI) CompileWithVariables(input io.Reader, output io.Writer, options *CLIOptions, variables map[string]any) error {
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varBuffer := bytes.Buffer{}
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if err := InjectValues(&varBuffer, variables); err != nil {
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return fmt.Errorf("failed to inject values into Typst markup: %w", err)
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}
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reader := io.MultiReader(&varBuffer, input)
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return c.Compile(reader, output, options)
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}
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