Files
godoxy-yusing/internal/route/rules/template.go
Yuzerion d2d686b4d1 feat(rules): introduce block DSL, phase-based execution (#203)
* chore(deps): update submodule goutils

* docs(http): remove default client from README.md

* refactor(rules): introduce block DSL, phase-based execution, and flow validation

- add block syntax parser/scanner with nested @blocks and elif/else support
- restructure rule execution into explicit pre/post phases with phase flags
- classify commands by phase and termination behavior
- enforce flow semantics (default rule handling, dead-rule detection)
- expand HTTP flow coverage with block + YAML parity tests and benches
- refresh rules README/spec and update playground/docs integration
- Default rules act as fallback handlers that execute only when no matching non-default rule exists in the pre phase
- IfElseBlockCommand now returns early when a condition matches with a nil Do block, instead of falling through to else blocks
- Add nil check for auth handler to allow requests when no auth is configured

* fix(rules): buffer log output before writing to stdout/stderr

* refactor(api/rules): remove IsResponseRule field from ParsedRule and related logic

* docs(rules): update examples to use block syntax
2026-02-24 10:44:47 +08:00

51 lines
1.0 KiB
Go

package rules
import (
"io"
"net/http"
"strings"
httputils "github.com/yusing/goutils/http"
)
type templateString struct {
string
isTemplate bool
}
type keyValueTemplate struct {
key string
tmpl templateString
}
func (tmpl *keyValueTemplate) Unpack() (string, templateString) {
return tmpl.key, tmpl.tmpl
}
func (tmpl *templateString) ExpandVars(w *httputils.ResponseModifier, req *http.Request, dst io.Writer) (phase PhaseFlag, err error) {
if !tmpl.isTemplate {
_, err := asBytesBufferLike(dst).WriteString(tmpl.string)
return PhaseNone, err
}
return ExpandVars(w, req, tmpl.string, dst)
}
func (tmpl *templateString) ExpandVarsToString(w *httputils.ResponseModifier, r *http.Request) (string, PhaseFlag, error) {
if !tmpl.isTemplate {
return tmpl.string, PhaseNone, nil
}
var buf strings.Builder
phase, err := tmpl.ExpandVars(w, r, &buf)
if err != nil {
return "", PhaseNone, err
}
return buf.String(), phase, nil
}
func (tmpl *templateString) Len() int {
return len(tmpl.string)
}