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123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: jsonwriter.h
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// Purpose: the generator of JSON text from a JSON value
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// Author: Luciano Cattani
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// Created: 2007/09/15
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// RCS-ID: $Id: jsonwriter.h,v 1.4 2008/03/03 19:05:45 luccat Exp $
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// Copyright: (c) 2007 Luciano Cattani
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// Licence: wxWidgets licence
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/////////////////////////////////////////////////////////////////////////////
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#if !defined(NO_WXJSON_GIT)
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#include "pgAdmin3.h"
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#if !defined( _WX_JSONWRITER_H )
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#define _WX_JSONWRITER_H
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#ifdef __GNUG__
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#pragma interface "jsonwriter.h"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include <wx/stream.h>
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#include <wx/string.h>
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#endif
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#include "utils/json/json_defs.h"
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#include "utils/json/jsonval.h"
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enum {
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wxJSONWRITER_NONE = 0,
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wxJSONWRITER_STYLED = 1,
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wxJSONWRITER_WRITE_COMMENTS = 2,
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wxJSONWRITER_COMMENTS_BEFORE = 4,
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wxJSONWRITER_COMMENTS_AFTER = 8,
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wxJSONWRITER_SPLIT_STRING = 16,
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wxJSONWRITER_NO_LINEFEEDS = 32,
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wxJSONWRITER_ESCAPE_SOLIDUS = 64,
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wxJSONWRITER_MULTILINE_STRING = 128,
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wxJSONWRITER_RECOGNIZE_UNSIGNED = 256,
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wxJSONWRITER_TAB_INDENT = 512,
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wxJSONWRITER_NO_INDENTATION = 1024,
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wxJSONWRITER_NOUTF8_STREAM = 2048,
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wxJSONWRITER_MEMORYBUFF = 4096
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};
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// class declaration
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class WXDLLIMPEXP_JSON wxJSONWriter
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{
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public:
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wxJSONWriter(int style = wxJSONWRITER_STYLED, int indent = 0, int step = 3);
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~wxJSONWriter();
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void Write(const wxJSONValue& value, wxString& str);
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void Write(const wxJSONValue& value, wxOutputStream& os);
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void SetDoubleFmtString(const char* fmt);
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protected:
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int DoWrite(wxOutputStream& os, const wxJSONValue& value, const wxString* key, bool comma);
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int WriteIndent(wxOutputStream& os);
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int WriteIndent(wxOutputStream& os, int num);
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bool IsSpace(wxChar ch);
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bool IsPunctuation(wxChar ch);
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int WriteString(wxOutputStream& os, const wxString& str);
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int WriteStringValue(wxOutputStream& os, const wxString& str);
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int WriteNullValue(wxOutputStream& os);
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int WriteIntValue(wxOutputStream& os, const wxJSONValue& v);
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int WriteUIntValue(wxOutputStream& os, const wxJSONValue& v);
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int WriteBoolValue(wxOutputStream& os, const wxJSONValue& v);
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int WriteDoubleValue(wxOutputStream& os, const wxJSONValue& v);
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int WriteMemoryBuff(wxOutputStream& os, const wxMemoryBuffer& buff);
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int WriteInvalid(wxOutputStream& os);
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int WriteSeparator(wxOutputStream& os);
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int WriteKey(wxOutputStream& os, const wxString& key);
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int WriteComment(wxOutputStream& os, const wxJSONValue& value, bool indent);
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int WriteError(const wxString& err);
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private:
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//! The style flag is a combination of wxJSONWRITER_(something) constants.
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int m_style;
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//! The initial indentation value, in number of spaces.
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int m_indent;
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//! The indentation increment, in number of spaces.
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int m_step;
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//! JSON value objects can be nested; this is the level of annidation (used internally).
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int m_level;
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// The line number when printing JSON text output (not yet used)
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int m_lineNo;
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// The column number when printing JSON text output
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int m_colNo;
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// Flag used in ANSI mode that controls UTF-8 conversion
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bool m_noUtf8;
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// The format string for printing doubles
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char* m_fmt;
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};
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#endif // not defined _WX_JSONWRITER_H
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#endif
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