Function processFile

tools/g3nshaders/main.go:184–253

processFile process one file checking if it has the shaders extension, otherwise it is ignored. If the include flag is true the file is an include file otherwise it it a shader

(file string, include bool)

// If the include flag is true the file is an include file otherwise it
// it a shader
func processFile(file string, include bool) {

	// Ignore file if it has not the shader extension
	fext := filepath.Ext(file)
	if fext != SHADEREXT {
		return
	}

	if *oVerbose {
		logger.Printf("Processing: %s", file)
	}

	// Get the file base name and its name with the extension
	fbase := filepath.Base(file)
	fname := fbase[:len(fbase)-len(fext)]

	// If not in include directory, the file must be a shader program
	// which name must have the format: <name>_<shader_type>
	if !include {
		parts := strings.Split(string(fname), "_")
		if len(parts) < 2 {
			logger.Print("   IGNORED: file does not have a valid shader name")
			return
		}
		stype := parts[len(parts)-1]
		if !shaderTypes[stype] {
			logger.Print("   IGNORED: invalid shader type")
			return
		}
		sname := strings.Join(parts[:len(parts)-1], "_")
		pinfo, ok := templData.Programs[sname]
		if !ok {
			templData.Programs[sname] = pinfo
		}
		switch stype {
		case TYPE_VERTEX:
			pinfo.Vertex = fname
		case TYPE_FRAGMENT:
			pinfo.Fragment = fname
		case TYPE_GEOMETRY:
			pinfo.Geometry = fname
		}
		templData.Programs[sname] = pinfo
	}

	// Reads all file data
	f, err := os.Open(file)
	if err != nil {
		panic(err)
	}
	defer f.Close()
	data, err := ioutil.ReadAll(f)
	if err != nil {
		panic(err)
	}

	// Appends entry in Includes or Shaders
	if include {