141 lines
2.6 KiB
Go
141 lines
2.6 KiB
Go
package ph7
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/*
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#include "ph7.h"
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int engine_config_err_log(ph7 *pEngine, const char **pzPtr, int *pLen) {
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return ph7_config(pEngine, PH7_CONFIG_ERR_LOG, pzPtr, pLen);
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}
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int vm_extract_output(ph7_vm *pVm, const char **pzPtr, int *pLen) {
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return ph7_vm_config(pVm, PH7_VM_CONFIG_EXTRACT_OUTPUT, pzPtr, pLen);
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}
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*/
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import "C"
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import (
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"fmt"
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)
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type ResultCode int
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const (
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ResultCodeOK = ResultCode(C.PH7_OK)
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ResultCodeNoMem = ResultCode(C.PH7_NOMEM)
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ResultCodeAbort = ResultCode(C.PH7_ABORT)
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ResultCodeIOErr = ResultCode(C.PH7_IO_ERR)
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ResultCodeLooked = ResultCode(C.PH7_LOOKED)
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ResultCodeCorrupt = ResultCode(C.PH7_CORRUPT)
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ResultCodeCompileErr = ResultCode(C.PH7_COMPILE_ERR)
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ResultCodeVMErr = ResultCode(C.PH7_VM_ERR)
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)
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func (r ResultCode) String() string {
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switch r {
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case ResultCodeOK:
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return "PH7_OK"
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case ResultCodeNoMem:
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return "PH7_NOMEM"
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case ResultCodeAbort:
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return "PH7_ABORT"
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case ResultCodeIOErr:
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return "PH7_IO_ERR"
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case ResultCodeLooked:
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return "PH7_LOOKED"
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case ResultCodeCorrupt:
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return "PH7_CORRUPT"
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case ResultCodeCompileErr:
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return "PH7_COMPILE_ERR"
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case ResultCodeVMErr:
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return "PH7_VM_ERR"
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default:
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return "UNKNOWN"
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}
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}
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type Error struct {
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Code ResultCode
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}
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func newError(code C.int) error {
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if code != C.PH7_OK {
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return Error{
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Code: ResultCode(code),
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}
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}
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return nil
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}
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func (e Error) Error() string {
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return fmt.Sprintf("ph7: %s", e.Code)
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}
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type Engine struct {
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ptr *C.ph7
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}
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func NewEngine() (Engine, error) {
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var engine Engine
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result := C.ph7_init(&engine.ptr)
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if result != C.PH7_OK {
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return Engine{}, newError(result)
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}
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return engine, nil
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}
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func (e Engine) ErrLog() (string, error) {
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var s *C.char
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var n C.int
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err := newError(C.engine_config_err_log(e.ptr, &s, &n))
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if err != nil {
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return "", err
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}
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return C.GoStringN(s, n), nil
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}
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func (e Engine) Compile(source []byte, phpOnly bool) (*VM, error) {
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csource := C.CBytes(source)
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vm := new(VM)
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var flags C.int
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if phpOnly {
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flags |= C.PH7_PHP_ONLY
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}
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err := newError(C.ph7_compile_v2(e.ptr, (*C.char)(csource), C.int(len(source)), &vm.ptr, flags))
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if err != nil {
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return nil, err
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}
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// TODO free csource
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return vm, nil
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}
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func (e Engine) Close() error {
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return newError(C.ph7_release(e.ptr))
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}
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type VM struct {
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ptr *C.ph7_vm
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}
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func (vm VM) ExtractOutput() (string, error) {
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var s *C.char
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var n C.int
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err := newError(C.vm_extract_output(vm.ptr, &s, &n))
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if err != nil {
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return "", err
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}
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return C.GoStringN(s, n), nil
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}
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func (v VM) Exec() error {
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return newError(C.ph7_vm_exec(v.ptr, (*C.int)(nil)))
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}
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func (v VM) Close() error {
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return newError(C.ph7_vm_release(v.ptr))
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}
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