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Viewing changes to src/mongo/s/field_parser-inl.h

  • Committer: Package Import Robot
  • Author(s): James Page, James Page, Robie Basak
  • Date: 2013-05-29 17:44:42 UTC
  • mfrom: (44.1.7 sid)
  • Revision ID: package-import@ubuntu.com-20130529174442-z0a4qmoww4y0t458
Tags: 1:2.4.3-1ubuntu1
[ James Page ]
* Merge from Debian unstable, remaining changes:
  - Enable SSL support:
    + d/control: Add libssl-dev to BD's.
    + d/rules: Enabled --ssl option.
    + d/mongodb.conf: Add example SSL configuration options.
  - d/mongodb-server.mongodb.upstart: Add upstart configuration.
  - d/rules: Don't strip binaries during scons build for Ubuntu.
  - d/control: Add armhf to target archs.
  - d/p/SConscript.client.patch: fixup install of client libraries.
  - d/p/0010-install-libs-to-usr-lib-not-usr-lib64-Closes-588557.patch:
    Install libraries to lib not lib64.
* Dropped changes:
  - d/p/arm-support.patch: Included in Debian.
  - d/p/double-alignment.patch: Included in Debian.
  - d/rules,control: Debian also builds with avaliable system libraries
    now.
* Fix FTBFS due to gcc and boost upgrades in saucy:
  - d/p/0008-ignore-unused-local-typedefs.patch: Add -Wno-unused-typedefs
    to unbreak building with g++-4.8.
  - d/p/0009-boost-1.53.patch: Fixup signed/unsigned casting issue.

[ Robie Basak ]
* d/p/0011-Use-a-signed-char-to-store-BSONType-enumerations.patch: Fixup
  build failure on ARM due to missing signed'ness of char cast.

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src/mongo/s/field_parser-inl.h
 
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/**
 
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 *    Copyright (C) 2012 10gen Inc.
 
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 *
 
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 *    This program is free software: you can redistribute it and/or  modify
 
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 *    it under the terms of the GNU Affero General Public License, version 3,
 
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 *    as published by the Free Software Foundation.
 
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 *
 
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 *    This program is distributed in the hope that it will be useful,
 
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 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *    GNU Affero General Public License for more details.
 
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 *
 
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 *    You should have received a copy of the GNU Affero General Public License
 
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 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 */
 
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#include "mongo/s/field_parser.h"
 
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#include "mongo/util/mongoutils/str.h"
 
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namespace mongo {
 
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    using mongoutils::str::stream;
 
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    // Extracts an array into a vector
 
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    template<typename T>
 
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    FieldParser::FieldState FieldParser::extract(BSONObj doc,
 
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                              const BSONField<vector<T> >& field,
 
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                              vector<T>* out,
 
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                              string* errMsg)
 
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    {
 
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        BSONElement elem = doc[field.name()];
 
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        if (elem.eoo()) {
 
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            if (field.hasDefault()) {
 
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                *out = field.getDefault();
 
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                return FIELD_DEFAULT;
 
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            }
 
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            else {
 
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                return FIELD_NONE;
 
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            }
 
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        }
 
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        if (elem.type() == Array) {
 
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            BSONArray arr = BSONArray(elem.embeddedObject());
 
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            string elErrMsg;
 
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            // Append all the new elements to the end of the vector
 
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            size_t initialSize = out->size();
 
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            out->resize(initialSize + arr.nFields());
 
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            int i = 0;
 
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            BSONObjIterator objIt(arr);
 
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            while (objIt.more()) {
 
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                BSONElement next = objIt.next();
 
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                BSONField<T> fieldFor(next.fieldName(), out->at(initialSize + i));
 
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                if (!FieldParser::extract(arr,
 
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                                          fieldFor,
 
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                                          &out->at(initialSize + i),
 
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                                          &elErrMsg))
 
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                {
 
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                    if (errMsg) {
 
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                        *errMsg = stream() << "error parsing element " << i << " of field "
 
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                                           << field() << causedBy(elErrMsg);
 
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                    }
 
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                    return FIELD_INVALID;
 
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                }
 
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                i++;
 
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            }
 
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            return FIELD_SET;
 
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        }
 
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        if (errMsg) {
 
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            *errMsg = stream() << "wrong type for '" << field() << "' field, expected "
 
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                               << "vector array" << ", found " << doc[field.name()].toString();
 
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        }
 
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        return FIELD_INVALID;
 
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    }
 
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    // Extracts an object into a map
 
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    template<typename K, typename T>
 
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    FieldParser::FieldState FieldParser::extract(BSONObj doc,
 
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                              const BSONField<map<K, T> >& field,
 
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                              map<K, T>* out,
 
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                              string* errMsg)
 
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    {
 
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        BSONElement elem = doc[field.name()];
 
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        if (elem.eoo()) {
 
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            if (field.hasDefault()) {
 
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                *out = field.getDefault();
 
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                return FIELD_DEFAULT;
 
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            }
 
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            else {
 
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                return FIELD_NONE;
 
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            }
 
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        }
 
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        if (elem.type() == Object) {
 
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            BSONObj obj = elem.embeddedObject();
 
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            string elErrMsg;
 
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            BSONObjIterator objIt(obj);
 
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            while (objIt.more()) {
 
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                BSONElement next = objIt.next();
 
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                T& value = (*out)[next.fieldName()];
 
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                BSONField<T> fieldFor(next.fieldName(), value);
 
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                if (!FieldParser::extract(obj, fieldFor, &value, &elErrMsg)) {
 
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                    if (errMsg) {
 
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                        *errMsg = stream() << "error parsing map element " << next.fieldName()
 
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                                           << " of field " << field() << causedBy(elErrMsg);
 
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                    }
 
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                    return FIELD_INVALID;
 
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                }
 
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            }
 
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            return FIELD_SET;
 
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        }
 
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        if (errMsg) {
 
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            *errMsg = stream() << "wrong type for '" << field() << "' field, expected "
 
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                               << "vector array" << ", found " << doc[field.name()].toString();
 
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        }
 
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        return FIELD_INVALID;
 
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    }
 
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} // namespace mongo