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Diffstat (limited to 'LibOVR/Src/OVR_JSON.cpp')
-rw-r--r--LibOVR/Src/OVR_JSON.cpp274
1 files changed, 188 insertions, 86 deletions
diff --git a/LibOVR/Src/OVR_JSON.cpp b/LibOVR/Src/OVR_JSON.cpp
index 262a0d9..7b40fb1 100644
--- a/LibOVR/Src/OVR_JSON.cpp
+++ b/LibOVR/Src/OVR_JSON.cpp
@@ -30,16 +30,16 @@ Notes :
THE SOFTWARE.
-Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
+Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
-Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License");
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
you may not use the Oculus VR Rift SDK except in compliance with the License,
which is provided at the time of installation or download, or which
otherwise accompanies this software in either electronic or hard copy form.
You may obtain a copy of the License at
-http://www.oculusvr.com/licenses/LICENSE-3.1
+http://www.oculusvr.com/licenses/LICENSE-3.2
Unless required by applicable law or agreed to in writing, the Oculus VR SDK
distributed under the License is distributed on an "AS IS" BASIS,
@@ -60,6 +60,10 @@ limitations under the License.
#include "Kernel/OVR_SysFile.h"
#include "Kernel/OVR_Log.h"
+#ifdef OVR_OS_LINUX
+#include <locale.h>
+#endif
+
namespace OVR {
@@ -67,7 +71,7 @@ namespace OVR {
// Create a new copy of a string
static char* JSON_strdup(const char* str)
{
- UPInt len = OVR_strlen(str) + 1;
+ size_t len = OVR_strlen(str) + 1;
char* copy = (char*)OVR_ALLOC(len);
if (!copy)
return 0;
@@ -78,16 +82,27 @@ static char* JSON_strdup(const char* str)
//-----------------------------------------------------------------------------
// Render the number from the given item into a string.
+static char* PrintInt(int valueint)
+{
+ char *str;
+ str = (char*)OVR_ALLOC(21); // 2^64+1 can be represented in 21 chars.
+ if (str)
+ {
+ OVR_sprintf(str, 21, "%d", valueint);
+ }
+ return str;
+}
+
+
+//-----------------------------------------------------------------------------
+// Render the number from the given item into a string.
static char* PrintNumber(double d)
{
- char *str;
- //double d=item->valuedouble;
+ char *str;
int valueint = (int)d;
if (fabs(((double)valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
{
- str=(char*)OVR_ALLOC(21); // 2^64+1 can be represented in 21 chars.
- if (str)
- OVR_sprintf(str, 21, "%d", valueint);
+ return PrintInt(valueint);
}
else
{
@@ -105,6 +120,7 @@ static char* PrintNumber(double d)
return str;
}
+
// Parse the input text into an un-escaped cstring, and populate item.
static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
@@ -119,8 +135,8 @@ const char* AssignError(const char** perror, const char *errorMessage)
//-----------------------------------------------------------------------------
// ***** JSON Node class
-JSON::JSON(JSONItemType itemType)
- : Type(itemType), dValue(0.0)
+JSON::JSON(JSONItemType itemType) :
+ Type(itemType), dValue(0.)
{
}
@@ -141,26 +157,41 @@ JSON::~JSON()
const char* JSON::parseNumber(const char *num)
{
const char* num_start = num;
- double n=0, sign=1, scale=0;
+ double n=0, scale=0;
int subscale = 0,
signsubscale = 1;
-
- // Could use sscanf for this?
- if (*num=='-')
- sign=-1,num++; // Has sign?
- if (*num=='0')
+ bool positiveSign = true;
+ char localeSeparator = '.';
+
+#ifdef OVR_OS_LINUX
+ // We should switch to a locale aware parsing function, such as atof. We
+ // will probably want to go farther and enforce the 'C' locale on all JSON
+ // output/input.
+ struct lconv* localeConv = localeconv();
+ localeSeparator = localeConv->decimal_point[0];
+#endif
+
+ // Could use sscanf for this?
+ if (*num == '-')
+ {
+ positiveSign = false;
+ num++; // Has sign?
+ }
+ if (*num == '0')
+ {
num++; // is zero
-
+ }
+
if (*num>='1' && *num<='9')
{
do
- {
- n=(n*10.0)+(*num++ -'0');
+ {
+ n = (n*10.0) + (*num++ - '0');
}
while (*num>='0' && *num<='9'); // Number?
}
- if (*num=='.' && num[1]>='0' && num[1]<='9')
+ if ((*num=='.' || *num==localeSeparator) && num[1]>='0' && num[1]<='9')
{
num++;
do
@@ -174,26 +205,35 @@ const char* JSON::parseNumber(const char *num)
if (*num=='e' || *num=='E') // Exponent?
{
num++;
- if (*num=='+')
+ if (*num == '+')
+ {
num++;
+ }
else if (*num=='-')
{
signsubscale=-1;
num++; // With sign?
}
- while (*num>='0' && *num<='9')
- subscale=(subscale*10)+(*num++ - '0'); // Number?
+ while (*num >= '0' && *num <= '9')
+ {
+ subscale = (subscale * 10) + (*num++ - '0'); // Number?
+ }
}
// Number = +/- number.fraction * 10^+/- exponent
- n = sign*n*pow(10.0,(scale+subscale*signsubscale));
+ n *= pow(10.0, (scale + subscale*signsubscale));
+
+ if (!positiveSign)
+ {
+ n = -n;
+ }
// Assign parsed value.
- Type = JSON_Number;
+ Type = JSON_Number;
dValue = n;
Value.AssignString(num_start, num - num_start);
-
+
return num;
}
@@ -310,9 +350,13 @@ const char* JSON::parseString(const char* str, const char** perror)
switch (len)
{
case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
+ //no break, fall through
case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
+ //no break
case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
+ //no break
case 1: *--ptr2 = (char)(uc | firstByteMark[len]);
+ //no break
}
ptr2+=len;
break;
@@ -467,15 +511,15 @@ const char* JSON::parseValue(const char* buff, const char** perror)
{
Type = JSON_Bool;
Value = "false";
- dValue = 0;
+ dValue = 0.;
return buff+5;
}
if (!strncmp(buff,"true",4))
{
Type = JSON_Bool;
Value = "true";
- dValue = 1;
- return buff+4;
+ dValue = 1.;
+ return buff + 4;
}
if (*buff=='\"')
{
@@ -508,7 +552,7 @@ char* JSON::PrintValue(int depth, bool fmt)
{
case JSON_Null: out = JSON_strdup("null"); break;
case JSON_Bool:
- if (dValue == 0)
+ if ((int)dValue == 0)
out = JSON_strdup("false");
else
out = JSON_strdup("true");
@@ -571,9 +615,9 @@ const char* JSON::parseArray(const char* buff, const char** perror)
// Render an array to text. The returned text must be freed
char* JSON::PrintArray(int depth, bool fmt)
{
- char **entries;
- char * out = 0,*ptr,*ret;
- SPInt len = 5;
+ char ** entries;
+ char * out = 0, *ptr,*ret;
+ intptr_t len = 5;
bool fail = false;
@@ -720,11 +764,11 @@ const char* JSON::parseObject(const char* buff, const char** perror)
// Render an object to text. The returned string must be freed
char* JSON::PrintObject(int depth, bool fmt)
{
- char** entries = 0, **names = 0;
- char* out = 0;
- char* ptr, *ret, *str;
- SPInt len = 7, i = 0, j;
- bool fail = false;
+ char** entries = 0, **names = 0;
+ char* out = 0;
+ char* ptr, *ret, *str;
+ intptr_t len = 7, i = 0, j;
+ bool fail = false;
// Count the number of entries.
int numentries = GetItemCount();
@@ -732,7 +776,7 @@ char* JSON::PrintObject(int depth, bool fmt)
// Explicitly handle empty object case
if (numentries == 0)
{
- out=(char*)OVR_ALLOC(fmt?depth+3:3);
+ out=(char*)OVR_ALLOC(fmt?depth+4:4);
if (!out)
return 0;
ptr=out;
@@ -775,7 +819,7 @@ char* JSON::PrintObject(int depth, bool fmt)
if (str && ret)
{
- len += OVR_strlen(ret)+OVR_strlen(str)+2+(fmt?2+depth:0);
+ len += OVR_strlen(ret)+OVR_strlen(str)+2+(fmt?3+depth:0);
}
else
{
@@ -812,31 +856,47 @@ char* JSON::PrintObject(int depth, bool fmt)
*out = '{';
ptr = out+1;
if (fmt)
- *ptr++='\n';
+ {
+#ifdef OVR_OS_WIN32
+ *ptr++ = '\r';
+#endif
+ *ptr++ = '\n';
+ }
*ptr = 0;
for (i=0; i<numentries; i++)
{
if (fmt)
{
- for (j=0; j<depth; j++)
+ for (j = 0; j < depth; j++)
+ {
*ptr++ = '\t';
+ }
}
OVR_strcpy(ptr, len - (ptr-out), names[i]);
ptr += OVR_strlen(names[i]);
*ptr++ =':';
if (fmt)
- *ptr++='\t';
+ {
+ *ptr++ = '\t';
+ }
OVR_strcpy(ptr, len - (ptr-out), entries[i]);
ptr+=OVR_strlen(entries[i]);
- if (i!=numentries-1)
+ if (i != numentries - 1)
+ {
*ptr++ = ',';
+ }
if (fmt)
+ {
+#ifdef OVR_OS_WIN32
+ *ptr++ = '\r';
+#endif
*ptr++ = '\n';
+ }
*ptr = 0;
OVR_FREE(names[i]);
@@ -848,8 +908,10 @@ char* JSON::PrintObject(int depth, bool fmt)
if (fmt)
{
- for (i=0;i<depth-1;i++)
- *ptr++='\t';
+ for (i = 0; i < depth - 1; i++)
+ {
+ *ptr++ = '\t';
+ }
}
*ptr++='}';
*ptr++=0;
@@ -864,8 +926,10 @@ char* JSON::PrintObject(int depth, bool fmt)
unsigned JSON::GetItemCount() const
{
unsigned count = 0;
- for(const JSON* p = Children.GetFirst(); !Children.IsNull(p); p = p->pNext)
+ for (const JSON* p = Children.GetFirst(); !Children.IsNull(p); p = p->pNext)
+ {
count++;
+ }
return count;
}
@@ -920,11 +984,11 @@ JSON* JSON::GetItemByName(const char* name)
// Adds a new item to the end of the child list
void JSON::AddItem(const char *string, JSON *item)
{
- if (!item)
- return;
-
- item->Name = string;
- Children.PushBack(item);
+ if (item)
+ {
+ item->Name = string;
+ Children.PushBack(item);
+ }
}
/*
@@ -977,28 +1041,59 @@ void JSON::RemoveLast()
}
}
-// Helper function to simplify creation of a typed object
-JSON* JSON::createHelper(JSONItemType itemType, double dval, const char* strVal)
+JSON* JSON::CreateBool(bool b)
{
- JSON *item = new JSON(itemType);
+ JSON *item = new JSON(JSON_Bool);
if (item)
{
- item->dValue = dval;
- if (strVal)
- item->Value = strVal;
+ item->dValue = b ? 1. : 0.;
+ item->Value = b ? "true" : "false";
}
return item;
}
+JSON* JSON::CreateNumber(double num)
+{
+ JSON *item = new JSON(JSON_Number);
+ if (item)
+ {
+ item->dValue = num;
+ }
+ return item;
+}
+
+JSON* JSON::CreateInt(int num)
+{
+ JSON *item = new JSON(JSON_Number);
+ if (item)
+ {
+ item->dValue = num;
+ }
+ return item;
+}
+
+JSON* JSON::CreateString(const char *s)
+{
+ JSON *item = new JSON(JSON_String);
+ if (item && s)
+ {
+ item->Value = s;
+ }
+ return item;
+}
+
+
//-----------------------------------------------------------------------------
// Get elements by name
double JSON::GetNumberByName(const char *name, double defValue)
{
JSON* item = GetItemByName(name);
- if (!item || item->Type != JSON_Number) {
+ if (!item || item->Type != JSON_Number)
+ {
return defValue;
}
- else {
+ else
+ {
return item->dValue;
}
}
@@ -1006,10 +1101,12 @@ double JSON::GetNumberByName(const char *name, double defValue)
int JSON::GetIntByName(const char *name, int defValue)
{
JSON* item = GetItemByName(name);
- if (!item || item->Type != JSON_Number) {
+ if (!item || item->Type != JSON_Number)
+ {
return defValue;
}
- else {
+ else
+ {
return (int)item->dValue;
}
}
@@ -1017,10 +1114,12 @@ int JSON::GetIntByName(const char *name, int defValue)
bool JSON::GetBoolByName(const char *name, bool defValue)
{
JSON* item = GetItemByName(name);
- if (!item || item->Type != JSON_Bool) {
+ if (!item || item->Type != JSON_Bool)
+ {
return defValue;
}
- else {
+ else
+ {
return (int)item->dValue != 0;
}
}
@@ -1028,10 +1127,12 @@ bool JSON::GetBoolByName(const char *name, bool defValue)
String JSON::GetStringByName(const char *name, const String &defValue)
{
JSON* item = GetItemByName(name);
- if (!item || item->Type != JSON_String) {
+ if (!item || item->Type != JSON_String)
+ {
return defValue;
}
- else {
+ else
+ {
return item->Value;
}
}
@@ -1040,17 +1141,19 @@ String JSON::GetStringByName(const char *name, const String &defValue)
// Adds an element to an array object type
void JSON::AddArrayElement(JSON *item)
{
- if (!item)
- return;
-
- Children.PushBack(item);
+ if (item)
+ {
+ Children.PushBack(item);
+ }
}
// Inserts an element into a valid array position
void JSON::InsertArrayElement(int index, JSON *item)
{
if (!item)
+ {
return;
+ }
if (index == 0)
{
@@ -1076,9 +1179,11 @@ void JSON::InsertArrayElement(int index, JSON *item)
int JSON::GetArraySize()
{
if (Type == JSON_Array)
+ {
return GetItemCount();
- else
- return 0;
+ }
+
+ return 0;
}
// Returns the number value an the give array index
@@ -1089,10 +1194,8 @@ double JSON::GetArrayNumber(int index)
JSON* number = GetItemByIndex(index);
return number ? number->dValue : 0.0;
}
- else
- {
- return 0;
- }
+
+ return 0;
}
// Returns the string value at the given array index
@@ -1103,10 +1206,8 @@ const char* JSON::GetArrayString(int index)
JSON* number = GetItemByIndex(index);
return number ? number->Value : 0;
}
- else
- {
- return 0;
- }
+
+ return 0;
}
JSON* JSON::Copy()
@@ -1139,7 +1240,7 @@ JSON* JSON::Load(const char* path, const char** perror)
}
int len = f.GetLength();
- UByte* buff = (UByte*)OVR_ALLOC(len + 1);
+ uint8_t* buff = (uint8_t*)OVR_ALLOC(len + 1);
int bytes = f.Read(buff, len);
f.Close();
@@ -1168,10 +1269,10 @@ bool JSON::Save(const char* path)
char* text = PrintValue(0, true);
if (text)
{
- SPInt len = OVR_strlen(text);
- OVR_ASSERT(len <= (SPInt)(int)len);
+ intptr_t len = OVR_strlen(text);
+ OVR_ASSERT(len <= (intptr_t)(int)len);
- int bytes = f.Write((UByte*)text, (int)len);
+ int bytes = f.Write((uint8_t*)text, (int)len);
f.Close();
OVR_FREE(text);
return (bytes == len);
@@ -1182,4 +1283,5 @@ bool JSON::Save(const char* path)
}
}
-}
+
+} // namespace OVR
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 12:43:44 +0000