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/*
* upb - a minimalist implementation of protocol buffers.
*
* Copyright (c) 2010 Google Inc. See LICENSE for details.
* Author: Josh Haberman <jhaberman@gmail.com>
*/
#include "upb_decoder.h"
#include "upb_descriptor.h"
#include "upb_glue.h"
#include "upb_msg.h"
#include "upb_strstream.h"
#include "upb_textprinter.h"
void upb_strtomsg(upb_string *str, void *msg, upb_msgdef *md,
upb_status *status) {
upb_stringsrc strsrc;
upb_stringsrc_init(&strsrc);
upb_stringsrc_reset(&strsrc, str);
upb_decoder d;
upb_decoder_initformsgdef(&d, md);
upb_decoder_reset(&d, upb_stringsrc_bytesrc(&strsrc), msg);
upb_decoder_decode(&d, status);
upb_stringsrc_uninit(&strsrc);
upb_decoder_uninit(&d);
}
#if 0
void upb_msgtotext(upb_string *str, upb_msg *msg, upb_msgdef *md,
bool single_line) {
upb_stringsink strsink;
upb_stringsink_init(&strsink);
upb_stringsink_reset(&strsink, str);
upb_textprinter *p = upb_textprinter_new();
upb_handlers *h = upb_handlers_new();
upb_textprinter_reghandlers(h, md);
upb_textprinter_reset(p, upb_stringsink_bytesink(&strsink), single_line);
upb_status status = UPB_STATUS_INIT;
upb_msg_runhandlers(msg, md, h, p, &status);
// None of {upb_msg_runhandlers, upb_textprinter, upb_stringsink} should be
// capable of returning an error.
assert(upb_ok(&status));
upb_status_uninit(&status);
upb_stringsink_uninit(&strsink);
upb_textprinter_free(p);
upb_handlers_unref(h);
}
#endif
// TODO: read->load.
void upb_read_descriptor(upb_symtab *symtab, upb_string *str, upb_status *status) {
upb_stringsrc strsrc;
upb_stringsrc_init(&strsrc);
upb_stringsrc_reset(&strsrc, str);
upb_handlers *h = upb_handlers_new();
upb_descreader_reghandlers(h);
upb_decoder d;
upb_decoder_initforhandlers(&d, h);
upb_handlers_unref(h);
upb_descreader r;
upb_symtabtxn txn;
upb_symtabtxn_init(&txn);
upb_descreader_init(&r, &txn);
upb_decoder_reset(&d, upb_stringsrc_bytesrc(&strsrc), &r);
upb_decoder_decode(&d, status);
// Set default accessors and layouts on all messages.
// for msgdef in symtabtxn:
upb_symtabtxn_iter i;
for(i = upb_symtabtxn_begin(&txn); !upb_symtabtxn_done(i);
i = upb_symtabtxn_next(&txn, i)) {
upb_def *def = upb_symtabtxn_iter_def(i);
upb_msgdef *md = upb_dyncast_msgdef(def);
if (!md) return;
// For field in msgdef:
upb_msg_iter i;
for(i = upb_msg_begin(md); !upb_msg_done(i); i = upb_msg_next(md, i)) {
upb_fielddef *f = upb_msg_iter_field(i);
upb_fielddef_setaccessor(f, upb_stdmsg_accessor(f));
}
upb_msgdef_layout(md);
}
if (upb_ok(status)) upb_symtab_commit(symtab, &txn, status);
upb_symtabtxn_uninit(&txn);
upb_descreader_uninit(&r);
upb_stringsrc_uninit(&strsrc);
upb_decoder_uninit(&d);
}
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