Handle JSON files with value 'undefined'

NppJSONViewer/NppJsonViewer/Define.h

@@ -59,12 +59,13 @@ const TCHAR STR_INI_FORMATTING_LINE[]        = TEXT("LINE_FORMATTING");
 const TCHAR STR_INI_FORMATTING_INDENT[]      = TEXT("INDENTATION");
 const TCHAR STR_INI_FORMATTING_INDENTCOUNT[] = TEXT("INDENTATION_COUNT");
 
-const TCHAR STR_INI_OTHER_SEC[]            = TEXT("Others");
-const TCHAR STR_INI_OTHER_FOLLOW_TAB[]     = TEXT("FOLLOW_TAB");
-const TCHAR STR_INI_OTHER_AUTO_FORMAT[]    = TEXT("AUTO_FORMAT");
-const TCHAR STR_INI_OTHER_USE_HIGHLIGHT[]  = TEXT("USE_JSON_HIGHLIGHT");
-const TCHAR STR_INI_OTHER_IGNORE_COMMENT[] = TEXT("IGNORE_COMMENT");
-const TCHAR STR_INI_OTHER_IGNORE_COMMA[]   = TEXT("IGNORE_TRAILLING_COMMA");
+const TCHAR STR_INI_OTHER_SEC[]               = TEXT("Others");
+const TCHAR STR_INI_OTHER_FOLLOW_TAB[]        = TEXT("FOLLOW_TAB");
+const TCHAR STR_INI_OTHER_AUTO_FORMAT[]       = TEXT("AUTO_FORMAT");
+const TCHAR STR_INI_OTHER_USE_HIGHLIGHT[]     = TEXT("USE_JSON_HIGHLIGHT");
+const TCHAR STR_INI_OTHER_IGNORE_COMMENT[]    = TEXT("IGNORE_COMMENT");
+const TCHAR STR_INI_OTHER_IGNORE_COMMA[]      = TEXT("IGNORE_TRAILLING_COMMA");
+const TCHAR STR_INI_OTHER_REPLACE_UNDEFINED[] = TEXT("REPLACE_VALUE_UNDEFINED");
 
 const TCHAR STR_SRCH_SEARCHING[]   = TEXT("Searching for: ");
 const TCHAR STR_SRCH_NOTFOUND[]    = TEXT("Not found: ");
@@ -101,6 +102,7 @@ struct ParseOptions
 {
     bool bIgnoreComment        = true;
     bool bIgnoreTraillingComma = true;
+    bool bReplaceUndefined     = false;
 };
 
 struct Setting

NppJSONViewer/NppJsonViewer/JsonViewDlg.cpp

@@ -6,6 +6,7 @@
 #include "ScintillaEditor.h"
 #include "Profile.h"
 #include <format>
+#include <regex>
 
 
 JsonViewDlg::JsonViewDlg(HINSTANCE hIntance, const NppData &nppData, const bool &isReady, int nCmdId, std::shared_ptr<Setting> &pSetting)
@@ -80,6 +81,9 @@ void JsonViewDlg::FormatJson()
     }
     else
     {
+        if (CheckForTokenUndefined(JsonViewDlg::eMethod::FormatJson, selectedText, res, NULL))
+            return;
+
         ReportError(res);
     }
 }
@@ -94,13 +98,78 @@ void JsonViewDlg::CompressJson()
     if (res.success)
     {
         m_Editor->ReplaceSelection(res.response);
+        HightlightAsJson();
     }
     else
     {
+        if (CheckForTokenUndefined(JsonViewDlg::eMethod::GetCompressedJson, selectedText, res, NULL))
+            return;
+
         ReportError(res);
     }
 }
 
+bool JsonViewDlg::CheckForTokenUndefined(eMethod method, std::string selectedText, Result &res, HTREEITEM tree_root)
+{
+    const auto [le, lf, indentChar, indentLen] = GetFormatSetting();
+
+    if (m_pSetting->parseOptions.bReplaceUndefined)
+    {
+        auto text = selectedText.substr(res.error_pos, 9);
+        std::transform(
+            text.begin(),
+            text.end(),
+            text.begin(),
+            [](unsigned char c)
+            {
+                return (unsigned char)std::tolower(c);
+            });
+        if (text == "undefined")
+        {
+            try
+            {
+                std::regex regex("([:\\[,])([\\s]*?)undefined([\\s,}]*?)", std::regex_constants::icase);
+                text = std::regex_replace(selectedText, regex, "$1$2null");
+                switch (method)
+                {
+                case eMethod::FormatJson:
+                    res = JsonHandler(m_pSetting->parseOptions).FormatJson(text, le, lf, indentChar, indentLen);
+                    break;
+                case eMethod::GetCompressedJson:
+                    res = JsonHandler(m_pSetting->parseOptions).GetCompressedJson(text);
+                    break;
+                case eMethod::ParseJson:
+                {
+                    RapidJsonHandler        handler(this, tree_root);
+                    rapidjson::StringBuffer sb;
+                    res = JsonHandler(m_pSetting->parseOptions).ParseJson<flgBaseReader>(text, sb, handler);
+                    break;
+                }
+                case eMethod::ValidateJson:
+                    res = JsonHandler(m_pSetting->parseOptions).ValidateJson(text);
+                    break;
+                }
+                if (res.success)
+                {
+                    m_Editor->ReplaceSelection((method == eMethod::ParseJson || method == eMethod::ValidateJson) ? text : res.response);
+                    HightlightAsJson();
+                    return true;
+                }
+                else
+                {
+                    m_Editor->ReplaceSelection(text);
+                    m_Editor->MakeSelection(m_Editor->GetSelectionStart(), static_cast<int>(text.length()));
+                    m_Editor->RefreshSelectionPos();
+                }
+            }
+            catch (const std::exception&)
+            {
+            }
+        }
+    }
+    return false;
+}
+
 void JsonViewDlg::HandleTabActivated()
 {
     const bool bIsVisible = isCreated() && isVisible();
@@ -135,6 +204,12 @@ void JsonViewDlg::ValidateJson()
     }
     else
     {
+        if (CheckForTokenUndefined(JsonViewDlg::eMethod::ValidateJson, selectedText, res, NULL))
+        {
+            ShowMessage(JSON_INFO_TITLE, JSON_ERR_VALIDATE_SUCCESS, MB_OK | MB_ICONINFORMATION);
+            return;
+        }
+
         ReportError(res);
     }
 }
@@ -197,6 +272,9 @@ auto JsonViewDlg::PopulateTreeUsingSax(HTREEITEM tree_root, const std::string &j
     Result res = JsonHandler(m_pSetting->parseOptions).ParseJson<flgBaseReader>(jsonText, sb, handler);
     if (!res.success)
     {
+        if (CheckForTokenUndefined(JsonViewDlg::eMethod::ParseJson, jsonText, res, tree_root))
+            return retVal;
+
         // Intimate user
         if (jsonText.empty())
         {
@@ -603,7 +681,7 @@ void JsonViewDlg::ReportError(const Result &result)
 {
     // Mark the error position
     size_t start = m_Editor->GetSelectionStart() + result.error_pos;
-    size_t end   = start + m_Editor->GetSelectionEnd();
+    size_t end   = m_Editor->GetSelectionEnd();
     m_Editor->MakeSelection(start, end);
 
     // Intimate user

NppJSONViewer/NppJsonViewer/JsonViewDlg.h

@@ -20,6 +20,14 @@ class JsonViewDlg : public DockingDlgInterface
         eSearch
     };
 
+    enum class eMethod
+    {
+        FormatJson,
+        GetCompressedJson,
+        ParseJson,
+        ValidateJson
+    };
+
 public:
     JsonViewDlg(HINSTANCE hIntance, const NppData &nppData, const bool &isReady, int nCmdId, std::shared_ptr<Setting> &pSetting);
     virtual ~JsonViewDlg();
@@ -70,6 +78,8 @@ class JsonViewDlg : public DockingDlgInterface
 
     auto GetFormatSetting() const -> std::tuple<LE, LF, char, unsigned>;
 
+    bool CheckForTokenUndefined(eMethod method, std::string selectedText, Result &res, HTREEITEM tree_root);
+
 protected:
     virtual INT_PTR CALLBACK run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam);
 

NppJSONViewer/NppJsonViewer/Profile.cpp

@@ -110,6 +110,10 @@ bool ProfileSetting::GetSettings(Setting &info) const
     if (bRetVal)
         info.parseOptions.bIgnoreTraillingComma = static_cast<bool>(nVal);
 
+    bRetVal &= ReadValue(STR_INI_OTHER_SEC, STR_INI_OTHER_REPLACE_UNDEFINED, nVal, info.parseOptions.bReplaceUndefined);
+    if (bRetVal)
+        info.parseOptions.bReplaceUndefined = static_cast<bool>(nVal);
+
     return bRetVal;
 }
 
@@ -127,6 +131,7 @@ bool ProfileSetting::SetSettings(const Setting &info) const
     bRetVal &= WriteValue(STR_INI_OTHER_SEC, STR_INI_OTHER_USE_HIGHLIGHT, info.bUseJsonHighlight);
     bRetVal &= WriteValue(STR_INI_OTHER_SEC, STR_INI_OTHER_IGNORE_COMMENT, info.parseOptions.bIgnoreComment);
     bRetVal &= WriteValue(STR_INI_OTHER_SEC, STR_INI_OTHER_IGNORE_COMMA, info.parseOptions.bIgnoreTraillingComma);
+    bRetVal &= WriteValue(STR_INI_OTHER_SEC, STR_INI_OTHER_REPLACE_UNDEFINED, info.parseOptions.bReplaceUndefined);
 
     return bRetVal;
 }

NppJSONViewer/NppJsonViewer/ScintillaEditor.h

@@ -29,7 +29,6 @@ class ScintillaEditor
     auto GetEOL() const -> unsigned;
     auto GetIndent() const -> std::tuple<char, unsigned>;
 
-private:
     void RefreshSelectionPos();
 
 private:

NppJSONViewer/NppJsonViewer/SettingsDlg.cpp

@@ -127,6 +127,7 @@ bool SettingsDlg::Apply()
     m_pSetting->bUseJsonHighlight                  = CUtility::GetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_JSON_HIGHLIGHT));
     m_pSetting->parseOptions.bIgnoreTraillingComma = CUtility::GetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_IGNORE_COMMA));
     m_pSetting->parseOptions.bIgnoreComment        = CUtility::GetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_IGNORE_COMMENT));
+    m_pSetting->parseOptions.bReplaceUndefined     = CUtility::GetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_REPLACE_UNDEFINED));
 
     return WriteINI();
 }
@@ -208,6 +209,7 @@ void SettingsDlg::InitDlg()
     CUtility::SetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_JSON_HIGHLIGHT), m_pSetting->bUseJsonHighlight);
     CUtility::SetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_IGNORE_COMMA), m_pSetting->parseOptions.bIgnoreTraillingComma);
     CUtility::SetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_IGNORE_COMMENT), m_pSetting->parseOptions.bIgnoreComment);
+    CUtility::SetCheckboxStatus(::GetDlgItem(_hSelf, IDC_CHK_REPLACE_UNDEFINED), m_pSetting->parseOptions.bReplaceUndefined);
 }
 
 void SettingsDlg::ShowSpaceCountCtrls(bool bShow)

NppJSONViewer/NppJsonViewer/resource.h

@@ -41,6 +41,7 @@
 #define IDC_CHK_IGNORE_COMMA            1030
 #define IDC_CHK_IGNORE_COMMENT          1031
 #define IDC_CHK_JSON_HIGHLIGHT          1032
+#define IDC_CHK_REPLACE_UNDEFINED       1033
 #define IDM_COPY_TREEITEM               40001
 #define IDM_COPY_NODENAME               40002
 #define IDM_COPY_NODEVALUE              40003
@@ -54,7 +55,7 @@
 #ifndef APSTUDIO_READONLY_SYMBOLS
 #define _APS_NEXT_RESOURCE_VALUE        110
 #define _APS_NEXT_COMMAND_VALUE         40007
-#define _APS_NEXT_CONTROL_VALUE         1033
+#define _APS_NEXT_CONTROL_VALUE         1034
 #define _APS_NEXT_SYMED_VALUE           101
 #endif
 #endif

NppJSONViewer/NppJsonViewer/resource.rc

@@ -105,6 +105,7 @@ BEGIN
     CONTROL         "Ignore trailing comma",IDC_CHK_IGNORE_COMMA,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,33,140,10
     CONTROL         "Ignore comments in json",IDC_CHK_IGNORE_COMMENT,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,46,140,10
     CONTROL         "Use json highlighting",IDC_CHK_JSON_HIGHLIGHT,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,59,140,10
+    CONTROL         "Replace value 'undefined' with 'null'",IDC_CHK_REPLACE_UNDEFINED,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,72,140,10
     GROUPBOX        " Indentation: ",IDC_STATIC,153,7,140,43
     CONTROL         "Auto detect",IDC_RADIO_INDENT_AUTO,"Button",BS_AUTORADIOBUTTON | WS_GROUP | WS_TABSTOP,160,21,50,10
     CONTROL         "Use tab",IDC_RADIO_INDENT_TAB,"Button",BS_AUTORADIOBUTTON,240,21,50,10