"Root"
{
    "key1" "value1"
    "key2" "value2"

    "section1"
    {
        "key3" "value3"
        "section2"
        {
            "key4" "value4"
        }
    }
}

#include <sourcemod>

char NO_NEWLINES[] = ""
... "\"Root\""
... "{"
... "    \"key1\" \"value1\""
... "    \"key2\" \"value2\""
... ""
... "    \"section1\""
... "    {"
... "        \"key3\" \"value3\""
... "        \"section2\""
... "        {"
... "            \"key4\" \"value4\""
... "        }"
... "    }"
... "}";


char WITH_NEWLINES[] = ""
... "\"Root\"\n"
... "{\n"
... "    \"key1\" \"value1\"\n"
... "    \"key2\" \"value2\"\n"
... "\n"
... "    \"section1\"\n"
... "    {\n"
... "        \"key3\" \"value3\"\n"
... "        \"section2\"\n"
... "        {\n"
... "            \"key4\" \"value4\"\n"
... "        }\n"
... "    }\n"
... "}"; // Doesn't end in newline!


public void OnPluginStart()
{
    RegAdminCmd("sm_parsetest", Command_Test, ADMFLAG_ROOT);
}


public Action Command_Test(int client, int args)
{
    SMCParser smc = new SMCParser();
    
    smc.OnEnd = OnEndCB;
    smc.OnEnterSection = OnEnterSectionCB;
    smc.OnKeyValue = OnKeyValueCB;
    smc.OnLeaveSection = OnLeaveSectionCB;
    smc.OnRawLine = OnRawLineCB;
    smc.OnStart = OnStartCB;
    
    int line, col;
    
    PrintToServer("-------------------------------------------------");
    
    PrintToServer("ParseString (no newlines)");
    SMCError err = smc.ParseString(NO_NEWLINES, line, col);
    PrintToServer("Returned: err:%i, line:%i, col:%i", err, line, col);
    
    PrintToServer("-------------------------------------------------");
    
    PrintToServer("ParseString (with newlines)");
    err = smc.ParseString(WITH_NEWLINES, line, col);
    PrintToServer("Returned: err:%i, line:%i, col:%i", err, line, col);
    
    PrintToServer("-------------------------------------------------");
    
    char path[PLATFORM_MAX_PATH];
    BuildPath(Path_SM, path, sizeof(path), "configs/parsetest.cfg");
    PrintToServer("ParseFile");
    err = smc.ParseFile(path, line, col);
    PrintToServer("Returned: err:%i, line:%i, col:%i", err, line, col);
    
    PrintToServer("-------------------------------------------------");
    
    return Plugin_Handled;
}



void OnEndCB(SMCParser smc, bool halted, bool failed)
{
    PrintToServer("End: halted:%i, failed:%i", halted, failed);
}

SMCResult OnEnterSectionCB(SMCParser smc, const char[] name, bool opt_quotes)
{
    PrintToServer("EnterSection: name:'%s', opt_quotes:%i", name, opt_quotes);
    return SMCParse_Continue;
}

SMCResult OnKeyValueCB(SMCParser smc, const char[] key, const char[] value, bool key_quotes, bool value_quotes)
{
    PrintToServer("KeyValue: key:'%s', value:'%s', key_quotes:%i, value_quote:%i", key, value, key_quotes, value_quotes);
    return SMCParse_Continue;
}

SMCResult OnLeaveSectionCB(SMCParser smc)
{
    PrintToServer("LeaveSection");
    return SMCParse_Continue;
}

SMCResult OnRawLineCB(SMCParser smc, const char[] line, int lineno)
{
    PrintToServer("RawLine: line:'%s', lineno:%i", line, lineno);
    return SMCParse_Continue;
}

void OnStartCB(SMCParser smc)
{
    PrintToServer("Start");
}

-------------------------------------------------
ParseString (no newlines)
Start
EnterSection: name:'Root', opt_quotes:1
End: halted:1, failed:0
Returned: err:9, line:1, col:35
-------------------------------------------------
ParseString (with newlines)
Start
RawLine: line:'"Root"', lineno:1
EnterSection: name:'Root', opt_quotes:1
RawLine: line:'{', lineno:2
RawLine: line:'    "key1" "value1"', lineno:3
KeyValue: key:'key1', value:'value1', key_quotes:1, value_quote:1
RawLine: line:'    "key2" "value2"', lineno:4
KeyValue: key:'key2', value:'value2', key_quotes:1, value_quote:1
RawLine: line:'', lineno:5
RawLine: line:'    "section1"', lineno:6
EnterSection: name:'section1', opt_quotes:1
RawLine: line:'    {', lineno:7
RawLine: line:'        "key3" "value3"', lineno:8
KeyValue: key:'key3', value:'value3', key_quotes:1, value_quote:1
RawLine: line:'        "section2"', lineno:9
EnterSection: name:'section2', opt_quotes:1
RawLine: line:'        {', lineno:10
RawLine: line:'            "key4" "value4"', lineno:11
KeyValue: key:'key4', value:'value4', key_quotes:1, value_quote:1
LeaveSection
RawLine: line:'        }', lineno:12
LeaveSection
RawLine: line:'    }', lineno:13
LeaveSection
End: halted:0, failed:0
Returned: err:0, line:14, col:2
-------------------------------------------------
ParseFile
Start
RawLine: line:'"Root"', lineno:1
EnterSection: name:'Root', opt_quotes:1
RawLine: line:'{', lineno:2
RawLine: line:'    "key1" "value1"', lineno:3
KeyValue: key:'key1', value:'value1', key_quotes:1, value_quote:1
RawLine: line:'    "key2" "value2"', lineno:4
KeyValue: key:'key2', value:'value2', key_quotes:1, value_quote:1
RawLine: line:'', lineno:5
RawLine: line:'    "section1"', lineno:6
EnterSection: name:'section1', opt_quotes:1
RawLine: line:'    {', lineno:7
RawLine: line:'        "key3" "value3"', lineno:8
KeyValue: key:'key3', value:'value3', key_quotes:1, value_quote:1
RawLine: line:'        "section2"', lineno:9
EnterSection: name:'section2', opt_quotes:1
RawLine: line:'        {', lineno:10
RawLine: line:'            "key4" "value4"', lineno:11
KeyValue: key:'key4', value:'value4', key_quotes:1, value_quote:1
LeaveSection
RawLine: line:'        }', lineno:12
LeaveSection
RawLine: line:'    }', lineno:13
LeaveSection
End: halted:0, failed:0
Returned: err:0, line:14, col:2
-------------------------------------------------