diff options
Diffstat (limited to 'vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/compile.go')
-rw-r--r-- | vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/compile.go | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/compile.go b/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/compile.go deleted file mode 100644 index 3cd937295..000000000 --- a/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/compile.go +++ /dev/null @@ -1,121 +0,0 @@ -package httprule - -import ( - "github.com/grpc-ecosystem/grpc-gateway/v2/utilities" -) - -const ( - opcodeVersion = 1 -) - -// Template is a compiled representation of path templates. -type Template struct { - // Version is the version number of the format. - Version int - // OpCodes is a sequence of operations. - OpCodes []int - // Pool is a constant pool - Pool []string - // Verb is a VERB part in the template. - Verb string - // Fields is a list of field paths bound in this template. - Fields []string - // Original template (example: /v1/a_bit_of_everything) - Template string -} - -// Compiler compiles utilities representation of path templates into marshallable operations. -// They can be unmarshalled by runtime.NewPattern. -type Compiler interface { - Compile() Template -} - -type op struct { - // code is the opcode of the operation - code utilities.OpCode - - // str is a string operand of the code. - // num is ignored if str is not empty. - str string - - // num is a numeric operand of the code. - num int -} - -func (w wildcard) compile() []op { - return []op{ - {code: utilities.OpPush}, - } -} - -func (w deepWildcard) compile() []op { - return []op{ - {code: utilities.OpPushM}, - } -} - -func (l literal) compile() []op { - return []op{ - { - code: utilities.OpLitPush, - str: string(l), - }, - } -} - -func (v variable) compile() []op { - var ops []op - for _, s := range v.segments { - ops = append(ops, s.compile()...) - } - ops = append(ops, op{ - code: utilities.OpConcatN, - num: len(v.segments), - }, op{ - code: utilities.OpCapture, - str: v.path, - }) - - return ops -} - -func (t template) Compile() Template { - var rawOps []op - for _, s := range t.segments { - rawOps = append(rawOps, s.compile()...) - } - - var ( - ops []int - pool []string - fields []string - ) - consts := make(map[string]int) - for _, op := range rawOps { - ops = append(ops, int(op.code)) - if op.str == "" { - ops = append(ops, op.num) - } else { - // eof segment literal represents the "/" path pattern - if op.str == eof { - op.str = "" - } - if _, ok := consts[op.str]; !ok { - consts[op.str] = len(pool) - pool = append(pool, op.str) - } - ops = append(ops, consts[op.str]) - } - if op.code == utilities.OpCapture { - fields = append(fields, op.str) - } - } - return Template{ - Version: opcodeVersion, - OpCodes: ops, - Pool: pool, - Verb: t.verb, - Fields: fields, - Template: t.template, - } -} |