2015-09-17 21:22:07 +00:00
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package php
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// #include <stdlib.h>
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// #include "engine.h"
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// #include "context.h"
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import "C"
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import (
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"fmt"
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"io"
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"unsafe"
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)
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type Context struct {
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context *C.struct__engine_context
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writer io.Writer
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2015-09-22 20:54:58 +00:00
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values map[string]*Value
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2015-09-20 00:16:43 +00:00
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}
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func (c *Context) Bind(name string, value interface{}) error {
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2015-09-22 20:54:58 +00:00
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v, err := NewValue(value)
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2015-09-20 00:16:43 +00:00
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if err != nil {
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2015-09-22 20:54:58 +00:00
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return err
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2015-09-20 00:16:43 +00:00
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}
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n := C.CString(name)
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defer C.free(unsafe.Pointer(n))
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2015-09-22 20:54:58 +00:00
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if _, err = C.context_bind(c.context, n, v.Ptr()); err != nil {
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v.Destroy()
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2015-09-20 00:16:43 +00:00
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return fmt.Errorf("Binding value '%v' to context failed", value)
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}
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2015-09-22 20:54:58 +00:00
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c.values[name] = v
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2015-09-20 00:16:43 +00:00
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return nil
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2015-09-17 21:22:07 +00:00
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}
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func (c *Context) Exec(filename string) error {
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name := C.CString(filename)
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defer C.free(unsafe.Pointer(name))
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_, err := C.context_exec(c.context, name)
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if err != nil {
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return fmt.Errorf("Error executing script '%s' in context", filename)
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}
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return nil
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}
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func (c *Context) Destroy() {
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2015-09-22 20:54:58 +00:00
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for _, v := range c.values {
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v.Destroy()
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2015-09-20 00:16:43 +00:00
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}
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2015-09-17 21:22:07 +00:00
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C.context_destroy(c.context)
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c = nil
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}
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//export contextWrite
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2015-09-19 20:12:32 +00:00
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func contextWrite(ctxptr unsafe.Pointer, buffer unsafe.Pointer, length C.uint) C.int {
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2015-09-17 21:22:07 +00:00
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context := (*Context)(ctxptr)
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2015-09-19 20:12:32 +00:00
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written, err := context.writer.Write(C.GoBytes(buffer, C.int(length)))
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2015-09-17 21:22:07 +00:00
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if err != nil {
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2015-09-19 20:12:32 +00:00
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return C.int(-1)
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2015-09-17 21:22:07 +00:00
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}
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return C.int(written)
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}
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