53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
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package salix
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import (
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"bytes"
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"io"
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"os"
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"strings"
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"go.elara.ws/salix/internal/ast"
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"go.elara.ws/salix/internal/parser"
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)
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// Parse parses a salix template from r. If the reader has a Name method
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// that returns a string, that will be used as the filename.
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func (t *Template) Parse(r io.Reader) (*Template, error) {
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fname := "<input>"
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if r, ok := r.(interface{ Name() string }); ok {
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fname = r.Name()
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}
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return t.ParseWithFilename(fname, r)
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}
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// ParseWithFilename parses a salix template from r, using the given filename.
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func (t *Template) ParseWithFilename(filename string, r io.Reader) (*Template, error) {
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astVal, err := parser.ParseReader(filename, r)
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if err != nil {
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return nil, err
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}
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t.file = filename
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t.ast = astVal.([]ast.Node)
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return t, nil
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}
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// ParseFile parses the file at path as a salix template
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func (t *Template) ParseFile(path string) (*Template, error) {
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fl, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer fl.Close()
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return t.Parse(fl)
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}
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// ParseString parses a string using the given filename.
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func (t *Template) ParseString(filename, tmpl string) (*Template, error) {
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return t.ParseWithFilename(filename, strings.NewReader(tmpl))
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}
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// ParseString parses bytes using the given filename.
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func (t *Template) ParseBytes(filename string, tmpl []byte) (*Template, error) {
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return t.ParseWithFilename(filename, bytes.NewReader(tmpl))
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}
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