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Cytoplasm/tools/j2s.c
Jordan Bancino 7e21b2bfce Format source code and apply license.
2023-09-28 19:16:45 -04:00

1097 lines
42 KiB
C
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/*
* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <Log.h>
#include <Array.h>
#include <Graph.h>
#include <HashMap.h>
#include <Args.h>
#include <Json.h>
#include <Str.h>
#include <Memory.h>
#define MAX_DEPENDENCIES 32
static char *
Trim(char c, char *str)
{
while (*str == c)
str++;
return str;
}
static JsonType
TypeToJsonType(char *type)
{
if (StrEquals(type, "object"))
{
return JSON_OBJECT;
}
else if (StrEquals(type, "array"))
{
return JSON_ARRAY;
}
else if (StrEquals(type, "string"))
{
return JSON_STRING;
}
else if (StrEquals(type, "integer"))
{
return JSON_INTEGER;
}
else if (StrEquals(type, "float"))
{
return JSON_FLOAT;
}
else if (StrEquals(type, "boolean"))
{
return JSON_BOOLEAN;
}
else
{
if (*type == '[' && type[strlen(type) - 1] == ']')
{
return JSON_ARRAY;
}
else
{
return JSON_OBJECT;
}
}
}
static char *
JsonTypeToStr(JsonType type)
{
switch (type)
{
case JSON_OBJECT:
return "JSON_OBJECT";
case JSON_ARRAY:
return "JSON_ARRAY";
case JSON_STRING:
return "JSON_STRING";
case JSON_INTEGER:
return "JSON_INTEGER";
case JSON_FLOAT:
return "JSON_FLOAT";
case JSON_BOOLEAN:
return "JSON_BOOLEAN";
case JSON_NULL:
default:
return "JSON_NULL";
}
}
int
Main(Array * args)
{
ArgParseState arg;
int opt;
int ret = EXIT_FAILURE;
char *schema = NULL;
char *header = NULL;
char *impl = NULL;
Stream *schemaFile = NULL;
Stream *headerFile = NULL;
Stream *implFile = NULL;
HashMap *schemaJson = NULL;
JsonValue *val;
char *type;
JsonValue *typeVal;
HashMap *types;
size_t i;
Graph *dependencyGraph = GraphCreate(MAX_DEPENDENCIES);
HashMap *typeToNode = HashMapCreate();
Array *requiredTypes = ArrayCreate();
Node *sortedNodes;
size_t sortedNodesLen;
Node *node;
char *guard;
char *headerName;
if (!requiredTypes)
{
Log(LOG_ERR, "Unable to allocate memory for type name storage");
goto finish;
}
ArgParseStateInit(&arg);
while ((opt = ArgParse(&arg, args, "s:h:c:")) != -1)
{
switch (opt)
{
case 's':
schema = arg.optArg;
break;
case 'h':
header = arg.optArg;
break;
case 'c':
impl = arg.optArg;
break;
default:
goto finish;
}
}
if (!schema)
{
Log(LOG_ERR, "Please specify a schema with -s");
goto finish;
}
if (!header)
{
Log(LOG_ERR, "Please specify an output header with -h");
goto finish;
}
if (!impl)
{
Log(LOG_ERR, "Please specify an output C source file with -c");
goto finish;
}
schemaFile = StreamOpen(schema, "r");
if (!schemaFile)
{
Log(LOG_ERR, "Unable to open '%s' for reading.", schema);
goto finish;
}
headerFile = StreamOpen(header, "w");
if (!headerFile)
{
Log(LOG_ERR, "Unable to open '%s' for writing.", header);
goto finish;
}
implFile = StreamOpen(impl, "w");
if (!implFile)
{
Log(LOG_ERR, "Unable to open '%s' for writing.", impl);
goto finish;
}
schemaJson = JsonDecode(schemaFile);
if (!schemaJson)
{
Log(LOG_ERR, "JSON syntax error.");
goto finish;
}
StreamClose(schemaFile);
schemaFile = NULL;
val = HashMapGet(schemaJson, "guard");
if (!val)
{
Log(LOG_WARNING, "Guard not specified, using 'J2S_SCHEMA_H', which may not be unique.");
HashMapSet(schemaJson, "guard", JsonValueString("J2S_SCHEMA_H"));
}
else if (JsonValueType(val) != JSON_STRING)
{
Log(LOG_ERR, "Validation error: 'guard' must be a string.");
goto finish;
}
val = HashMapGet(schemaJson, "header");
if (!val)
{
Log(LOG_WARNING, "Header name not specified, using 'Schema.h', which is probably wrong.");
HashMapSet(schemaJson, "header", JsonValueString("Schema.h"));
}
else if (JsonValueType(val) != JSON_STRING)
{
Log(LOG_ERR, "Validation error: 'header' must be a string.");
goto finish;
}
val = HashMapGet(schemaJson, "includes");
if (val && JsonValueType(val) != JSON_ARRAY)
{
Log(LOG_ERR, "Validation error: 'includes' must be an array.");
goto finish;
}
for (i = 0; i < ArraySize(JsonValueAsArray(val)); i++)
{
if (JsonValueType(ArrayGet(JsonValueAsArray(val), 0)) != JSON_STRING)
{
Log(LOG_ERR, "Validation error: 'includes[%lu]' is not a string.", i);
goto finish;
}
}
val = HashMapGet(schemaJson, "types");
if (JsonValueType(val) != JSON_OBJECT)
{
Log(LOG_ERR, "Validation error: 'types' must be an object.");
goto finish;
}
types = JsonValueAsObject(val);
while (HashMapIterate(types, &type, (void **) &typeVal))
{
HashMap *typeObj;
JsonValue *typeTypeVal;
char *typeType;
JsonValue *typeFieldsVal;
HashMap *typeFields;
char *fieldName;
JsonValue *fieldVal;
HashMap *fieldObj;
Node *typeNode;
if (JsonValueType(typeVal) != JSON_OBJECT)
{
Log(LOG_ERR, "Validation error: 'types.%s' must be an object.", type);
goto finish;
}
typeObj = JsonValueAsObject(typeVal);
typeTypeVal = HashMapGet(typeObj, "type");
if (JsonValueType(typeTypeVal) != JSON_STRING)
{
Log(LOG_ERR, "Validation error: 'types.%s.type' must be a string.", type);
goto finish;
}
typeType = JsonValueAsString(typeTypeVal);
typeNode = HashMapGet(typeToNode, type);
if (!typeNode)
{
typeNode = Malloc(sizeof(Node));
*typeNode = ArraySize(requiredTypes);
HashMapSet(typeToNode, type, typeNode);
ArrayAdd(requiredTypes, StrDuplicate(type));
}
typeFieldsVal = HashMapGet(typeObj, "fields");
if (JsonValueType(typeFieldsVal) != JSON_OBJECT)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields' must be an object.", type);
goto finish;
}
typeFields = JsonValueAsObject(typeFieldsVal);
if (StrEquals(typeType, "struct"))
{
while (HashMapIterate(typeFields, &fieldName, (void **) &fieldVal))
{
char *fieldType;
int isArrType = 0;
JsonValue *requiredVal;
if (JsonValueType(fieldVal) != JSON_OBJECT)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields.%s' must be an object.", type, fieldName);
goto finish;
}
fieldObj = JsonValueAsObject(fieldVal);
fieldType = JsonValueAsString(HashMapGet(fieldObj, "type"));
if (!fieldType)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields.%s.type' is required and must be a string.", type, fieldName);
goto finish;
}
if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
{
fieldType++;
fieldType[strlen(fieldType) - 1] = '\0';
isArrType = 1;
}
if (!StrEquals(fieldType, "object") &&
!StrEquals(fieldType, "array") &&
!StrEquals(fieldType, "string") &&
!StrEquals(fieldType, "integer") &&
!StrEquals(fieldType, "float") &&
!StrEquals(fieldType, "boolean"))
{
Node *node = HashMapGet(typeToNode, fieldType);
if (!node)
{
node = Malloc(sizeof(Node));
*node = ArraySize(requiredTypes);
HashMapSet(typeToNode, fieldType, node);
ArrayAdd(requiredTypes, StrDuplicate(fieldType));
}
GraphEdgeSet(dependencyGraph, *node, *typeNode, 1);
}
if (isArrType)
{
fieldType[strlen(fieldType)] = ']';
}
requiredVal = HashMapGet(fieldObj, "required");
if (requiredVal && JsonValueType(requiredVal) != JSON_BOOLEAN)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields.%s.required' must be a boolean.", type, fieldName);
goto finish;
}
}
}
else if (StrEquals(typeType, "enum"))
{
while (HashMapIterate(typeFields, &fieldName, (void **) &fieldVal))
{
char *name;
if (JsonValueType(fieldVal) != JSON_OBJECT)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields.%s' must be an object.", type, fieldName);
goto finish;
}
fieldObj = JsonValueAsObject(fieldVal);
name = JsonValueAsString(HashMapGet(fieldObj, "name"));
if (!name)
{
Log(LOG_ERR, "Validation error: 'types.%s.fields.%s.name' is required and must be a string.", type, fieldName);
goto finish;
}
}
}
else
{
Log(LOG_ERR, "Validation error: 'types.%s.type' must be 'struct' or 'enum'.", type);
goto finish;
}
/*
* TODO: Add "extern" type that doesn't actually generate any code,
* but trusts the user that it has been generated somewhere else. This
* is effectively "importing" types.
*/
}
sortedNodes = GraphTopologicalSort(dependencyGraph, &sortedNodesLen);
GraphFree(dependencyGraph);
for (i = 0; i < sortedNodesLen; i++)
{
char *type = ArrayGet(requiredTypes, sortedNodes[i]);
if (!type)
{
continue;
}
if (!HashMapGet(types, type))
{
Log(LOG_ERR, "No type definition for required type '%s'", type);
goto finish;
}
}
guard = JsonValueAsString(HashMapGet(schemaJson, "guard"));
StreamPrintf(headerFile, "/* Generated by j2s */\n\n");
StreamPrintf(headerFile, "#ifndef %s\n", guard);
StreamPrintf(headerFile, "#define %s\n\n", guard);
StreamPrintf(headerFile, "#include <Array.h>\n");
StreamPrintf(headerFile, "#include <HashMap.h>\n");
StreamPrintf(headerFile, "#include <Int64.h>\n");
StreamPutc(headerFile, '\n');
for (i = 0; i < ArraySize(JsonValueAsArray(HashMapGet(schemaJson, "include"))); i++)
{
char *h = JsonValueAsString(ArrayGet(JsonValueAsArray(HashMapGet(schemaJson, "include")), i));
StreamPrintf(headerFile, "#include <%s>\n", h);
}
StreamPutc(headerFile, '\n');
for (i = 0; i < sortedNodesLen; i++)
{
char *type = ArrayGet(requiredTypes, sortedNodes[i]);
char *typeType;
HashMap *fields;
char *field;
HashMap *fieldDesc;
if (!type)
{
continue;
}
typeType = JsonValueAsString(JsonGet(types, 2, type, "type"));
fields = JsonValueAsObject(JsonGet(types, 2, type, "fields"));
StreamPrintf(headerFile, "typedef %s %s\n{\n", typeType, type);
if (StrEquals(typeType, "struct"))
{
while (HashMapIterate(fields, &field, (void **) &fieldDesc))
{
char *fieldType;
char *cType;
fieldDesc = JsonValueAsObject((JsonValue *) fieldDesc);
fieldType = JsonValueAsString(HashMapGet(fieldDesc, "type"));
if (StrEquals(fieldType, "string"))
{
cType = "char *";
}
else if (StrEquals(fieldType, "integer"))
{
cType = "Int64";
}
else if (StrEquals(fieldType, "boolean"))
{
cType = "int";
}
else if (StrEquals(fieldType, "float"))
{
cType = "double";
}
else if (StrEquals(fieldType, "object"))
{
cType = "HashMap *";
}
else if (StrEquals(fieldType, "array") || (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']'))
{
cType = "Array *";
}
else
{
cType = fieldType;
}
StreamPrintf(headerFile, " %s %s;\n", cType, field);
}
StreamPrintf(headerFile, "} %s;\n\n", type);
}
else if (StrEquals(typeType, "enum"))
{
/*
* Enums must be copied to an array because we have to know
* where we're at to know whether or not we need the trailing
* comma.
*/
Array *keys = HashMapKeys(fields);
size_t j;
for (j = 0; j < ArraySize(keys); j++)
{
char *key = ArrayGet(keys, j);
char *name;
char *value;
fieldDesc = JsonValueAsObject(HashMapGet(fields, key));
name = JsonValueAsString(HashMapGet(fieldDesc, "name"));
value = JsonValueAsString(HashMapGet(fieldDesc, "value"));
if (value)
{
StreamPrintf(headerFile, " %s = %s", name, value);
}
else
{
StreamPrintf(headerFile, " %s", name);
}
if (j < ArraySize(keys) - 1)
{
StreamPutc(headerFile, ',');
}
StreamPutc(headerFile, '\n');
}
ArrayFree(keys);
StreamPrintf(headerFile, "} %s;\n\n", type);
}
}
Free(sortedNodes);
for (i = 0; i < ArraySize(requiredTypes); i++)
{
Free(ArrayGet(requiredTypes, i));
}
ArrayFree(requiredTypes);
while (HashMapIterate(typeToNode, &type, (void **) &node))
{
Free(node);
}
HashMapFree(typeToNode);
headerName = JsonValueAsString(HashMapGet(schemaJson, "header"));
StreamPrintf(implFile, "/* Generated by j2s */\n\n");
StreamPrintf(implFile, "#include <%s>\n\n", headerName);
StreamPrintf(implFile, "#include <Memory.h>\n");
StreamPrintf(implFile, "#include <Json.h>\n");
StreamPrintf(implFile, "#include <Str.h>\n");
StreamPutc(implFile, '\n');
while (HashMapIterate(types, &type, (void **) &typeVal))
{
char *typeType = JsonValueAsString(JsonGet(types, 2, type, "type"));
HashMap *fields = JsonValueAsObject(JsonGet(types, 2, type, "fields"));
Array *keys = HashMapKeys(fields);
if (StrEquals(typeType, "struct"))
{
StreamPrintf(headerFile, "extern int %sFromJson(HashMap *, %s *, char **);\n", type, type);
StreamPrintf(implFile, "int\n%sFromJson(HashMap *json, %s *out, char **errp)\n{\n", type, type);
StreamPrintf(implFile, " JsonValue *val;\n");
StreamPrintf(implFile, " int enumParseRes;\n");
StreamPrintf(implFile, "\n");
StreamPrintf(implFile, " (void) enumParseRes;\n");
StreamPrintf(implFile, "\n");
StreamPrintf(implFile, " if (!json | !out)\n"
" {\n"
" *errp = \"Invalid pointers passed to %sFromJson()\";\n"
" return 0;\n"
" }\n\n"
,type);
for (i = 0; i < ArraySize(keys); i++)
{
char *key = ArrayGet(keys, i);
int required = JsonValueAsBoolean(JsonGet(fields, 2, key, "required"));
char *fieldType = JsonValueAsString(JsonGet(fields, 2, key, "type"));
int isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
JsonType jsonType = isEnum ? JSON_STRING : TypeToJsonType(fieldType);
char *jsonTypeStr = JsonTypeToStr(jsonType);
StreamPrintf(implFile, " val = HashMapGet(json, \"%s\");\n", Trim('_', key));
StreamPrintf(implFile, " if (val)\n {\n");
StreamPrintf(implFile, " if (JsonValueType(val) != %s)\n {\n", jsonTypeStr);
StreamPrintf(implFile, " *errp = \"%s.%s must be of type %s.\";\n", type, Trim('_', key), fieldType);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n\n");
if (StrEquals(fieldType, "array"))
{
StreamPrintf(implFile, " out->%s = JsonValueAsArray(JsonValueDuplicate(val));\n", key);
}
else if (StrEquals(fieldType, "object"))
{
StreamPrintf(implFile, " out->%s = JsonValueAsObject(JsonValueDuplicate(val));\n", key);
}
else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
{
fieldType++;
fieldType[strlen(fieldType) - 1] = '\0';
isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
jsonType = isEnum ? JSON_STRING : TypeToJsonType(fieldType);
StreamPrintf(implFile, " out->%s = ArrayCreate();\n", key);
StreamPrintf(implFile, " if (!out->%s)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"Failed to allocate memory for %s.%s.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " else\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " Array *arr = JsonValueAsArray(val);\n");
StreamPrintf(implFile, " size_t i;\n");
StreamPrintf(implFile, "\n");
StreamPrintf(implFile, " for (i = 0; i <ArraySize(arr); i++)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " JsonValue *v = ArrayGet(arr, i);\n");
if (StrEquals(fieldType, "integer") ||
StrEquals(fieldType, "float") ||
StrEquals(fieldType, "boolean"))
{
char *cType;
if (StrEquals(fieldType, "integer"))
{
cType = "Int64";
}
else if (StrEquals(fieldType, "float"))
{
cType = "double";
}
else if (StrEquals(fieldType, "boolean"))
{
cType = "int";
}
else
{
/* Should never happen */
cType = NULL;
}
*fieldType = toupper(*fieldType);
StreamPrintf(implFile, " %s *ref;\n", cType);
StreamPrintf(implFile, " if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ref = Malloc(sizeof(%s));\n", cType);
StreamPrintf(implFile, " if (!ref)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"Unable to allocate memory for array value.\";\n");
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " *ref = JsonValueAs%s(v);\n", fieldType);
StreamPrintf(implFile, " ArrayAdd(out->%s, ref);\n", key);
*fieldType = tolower(*fieldType);
}
else if (StrEquals(fieldType, "string"))
{
StreamPrintf(implFile, " if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ArrayAdd(out->%s, StrDuplicate(JsonValueAsString(v)));\n", key);
}
else if (StrEquals(fieldType, "object"))
{
StreamPrintf(implFile, " if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ArrayAdd(out->%s, JsonDuplicate(JsonValueAsObject(v)));\n", key);
}
else
{
if (isEnum)
{
StreamPrintf(implFile, " int parseResult;\n");
}
StreamPrintf(implFile, " %s *parsed;\n", fieldType);
StreamPrintf(implFile, " if (JsonValueType(v) != %s)\n", JsonTypeToStr(jsonType));
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"%s.%s[] contains an invalid value.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " parsed = Malloc(sizeof(%s));\n", fieldType);
StreamPrintf(implFile, " if (!parsed)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"Unable to allocate memory for array value.\";\n");
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
if (isEnum)
{
StreamPrintf(implFile, " parseResult = %sFromStr(JsonValueAsString(v));\n", fieldType);
StreamPrintf(implFile, " *parsed = parseResult;\n");
StreamPrintf(implFile, " if (parseResult == -1)\n");
}
else
{
StreamPrintf(implFile, " if (!%sFromJson(JsonValueAsObject(v), parsed, errp))\n", fieldType);
}
StreamPrintf(implFile, " {\n");
if (!isEnum)
{
StreamPrintf(implFile, " %sFree(parsed);\n", fieldType);
}
StreamPrintf(implFile, " Free(parsed);\n");
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ArrayAdd(out->%s, parsed);\n", key);
}
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " }\n");
fieldType[strlen(fieldType)] = ']';
}
else if (jsonType == JSON_OBJECT)
{
StreamPrintf(implFile, " if (!%sFromJson(JsonValueAsObject(val), &out->%s, errp))\n {\n", fieldType, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
}
else
{
char *func;
switch (jsonType)
{
case JSON_STRING:
func = "String";
break;
case JSON_INTEGER:
func = "Integer";
break;
case JSON_FLOAT:
func = "Float";
break;
case JSON_BOOLEAN:
func = "Boolean";
break;
default:
/* Should not happen */
func = NULL;
break;
}
if (jsonType == JSON_STRING)
{
if (isEnum)
{
StreamPrintf(implFile, " enumParseRes = %sFromStr(JsonValueAs%s(val));\n", fieldType, func);
StreamPrintf(implFile, " if (enumParseRes == -1)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " *errp = \"Invalid value for %s.%s.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " out->%s = enumParseRes;\n", key);
}
else
{
StreamPrintf(implFile, " out->%s = StrDuplicate(JsonValueAs%s(val));\n", key, func);
}
}
else
{
StreamPrintf(implFile, " out->%s = JsonValueAs%s(val);\n", key, func);
}
}
StreamPrintf(implFile, " }\n");
if (required)
{
StreamPrintf(implFile, " else\n {\n");
StreamPrintf(implFile, " *errp = \"%s.%s is required.\";\n", type, key);
StreamPrintf(implFile, " return 0;\n");
StreamPrintf(implFile, " }\n");
}
StreamPutc(implFile, '\n');
}
StreamPrintf(implFile, " return 1;\n");
StreamPrintf(implFile, "}\n\n");
StreamPrintf(headerFile, "extern HashMap * %sToJson(%s *);\n", type, type);
StreamPrintf(implFile, "HashMap *\n%sToJson(%s *val)\n{\n", type, type);
StreamPrintf(implFile, " HashMap *json;\n");
StreamPrintf(implFile, "\n");
StreamPrintf(implFile, " if (!val)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " return NULL;\n");
StreamPrintf(implFile, " }\n\n");
StreamPrintf(implFile, " json = HashMapCreate();\n");
StreamPrintf(implFile, " if (!json)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " return NULL;\n");
StreamPrintf(implFile, " }\n\n");
for (i = 0; i < ArraySize(keys); i++)
{
char *key = ArrayGet(keys, i);
char *fieldType = JsonValueAsString(JsonGet(fields, 2, key, "type"));
int isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
if (StrEquals(fieldType, "array"))
{
StreamPrintf(implFile, " if (val->%s)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " size_t i;\n");
StreamPrintf(implFile, " Array *jsonArr = ArrayCreate();\n");
StreamPrintf(implFile, " if (!jsonArr)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " JsonFree(json);\n");
StreamPrintf(implFile, " return NULL;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " for (i = 0; i < ArraySize(val->%s); i++)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " ArrayAdd(jsonArr, JsonValueDuplicate(ArrayGet(val->%s, i)));\n", key);
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValueArray(jsonArr));\n", Trim('_', key));
StreamPrintf(implFile, " }\n");
}
else if (StrEquals(fieldType, "object"))
{
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValueObject(JsonDuplicate(val->%s)));\n", Trim('_', key), key);
}
else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
{
int isPrimitive;
fieldType++;
fieldType[strlen(fieldType) - 1] = '\0';
isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
isPrimitive = StrEquals(fieldType, "integer") ||
StrEquals(fieldType, "boolean") ||
StrEquals(fieldType, "float");
StreamPrintf(implFile, " if (val->%s)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " size_t i;\n");
StreamPrintf(implFile, " Array *jsonArr = ArrayCreate();\n");
StreamPrintf(implFile, " if (!jsonArr)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " JsonFree(json);\n");
StreamPrintf(implFile, " return NULL;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " for (i = 0; i < ArraySize(val->%s); i++)\n", key);
StreamPrintf(implFile, " {\n");
if (StrEquals(fieldType, "string"))
{
StreamPrintf(implFile, " ArrayAdd(jsonArr, JsonValueString(ArrayGet(val->%s, i)));\n", key);
}
else if (!isPrimitive)
{
StreamPrintf(implFile, " ArrayAdd(jsonArr, JsonValueObject(%sToJson(ArrayGet(val->%s, i))));\n", fieldType, key);
}
else
{
char *cType;
if (StrEquals(fieldType, "integer"))
{
cType = "Int64";
}
else if (StrEquals(fieldType, "float"))
{
cType = "double";
}
else if (StrEquals(fieldType, "boolean"))
{
cType = "int";
}
else
{
/* Should never happen */
cType = NULL;
}
*fieldType = toupper(*fieldType);
StreamPrintf(implFile, " ArrayAdd(jsonArr, (JsonValue%s(*((%s *) ArrayGet(val->%s, i)))));\n", fieldType, cType, key);
*fieldType = tolower(*fieldType);
}
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValueArray(jsonArr));\n", Trim('_', key));
StreamPrintf(implFile, " }\n");
fieldType[strlen(fieldType)] = ']';
}
else
{
if (HashMapGet(types, fieldType))
{
if (isEnum)
{
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValueString(%sToStr(val->%s)));\n", Trim('_', key), fieldType, key);
}
else
{
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValueObject(%sToJson(&val->%s)));\n", Trim('_', key), fieldType, key);
}
}
else
{
*fieldType = toupper(*fieldType);
StreamPrintf(implFile, " HashMapSet(json, \"%s\", JsonValue%s(val->%s));\n", Trim('_', key), fieldType, key);
*fieldType = tolower(*fieldType);
}
}
}
StreamPrintf(implFile, " return json;\n");
StreamPrintf(implFile, "}\n\n");
StreamPrintf(headerFile, "extern void %sFree(%s *);\n", type, type);
StreamPrintf(implFile, "void\n%sFree(%s *val)\n{\n", type, type);
StreamPrintf(implFile, " if (!val)\n");
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " return;\n");
StreamPrintf(implFile, " }\n\n");
for (i = 0; i < ArraySize(keys); i++)
{
char *key = ArrayGet(keys, i);
char *fieldType = JsonValueAsString(JsonGet(fields, 2, key, "type"));
int isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
if (StrEquals(fieldType, "array"))
{
StreamPrintf(implFile, " if (val->%s)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " size_t i;\n");
StreamPrintf(implFile, " for (i = 0; i < ArraySize(val->%s); i++)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " JsonValueFree(ArrayGet(val->%s, i));\n", key);
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ArrayFree(val->%s);\n", key);
StreamPrintf(implFile, " }\n");
}
else if (StrEquals(fieldType, "object"))
{
StreamPrintf(implFile, " JsonFree(val->%s);\n", key);
}
else if (StrEquals(fieldType, "string"))
{
StreamPrintf(implFile, " Free(val->%s);\n", key);
}
else if (*fieldType == '[' && fieldType[strlen(fieldType) - 1] == ']')
{
int isPrimitive;
fieldType++;
fieldType[strlen(fieldType) - 1] = '\0';
isEnum = StrEquals(JsonValueAsString(JsonGet(types, 2, fieldType, "type")), "enum");
isPrimitive = StrEquals(fieldType, "boolean") ||
StrEquals(fieldType, "float") ||
StrEquals(fieldType, "integer") ||
StrEquals(fieldType, "string");
StreamPrintf(implFile, " if (val->%s)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " size_t i;\n");
StreamPrintf(implFile, " for (i = 0; i < ArraySize(val->%s); i++)\n", key);
StreamPrintf(implFile, " {\n");
StreamPrintf(implFile, " %sFree(ArrayGet(val->%s, i));\n", (!isEnum && !isPrimitive) ? fieldType : "", key);
if (!isEnum && !isPrimitive)
{
StreamPrintf(implFile, " Free(ArrayGet(val->%s, i));\n", key);
}
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, " ArrayFree(val->%s);\n", key);
StreamPrintf(implFile, " }\n");
fieldType[strlen(fieldType)] = ']';
}
else
{
/* Ignore primitives but call the appropriate free
* method on declared types */
if (!isEnum && HashMapGet(types, fieldType))
{
StreamPrintf(implFile, " %sFree(&val->%s);\n", fieldType, key);
}
}
}
StreamPrintf(implFile, "}\n\n");
StreamPutc(headerFile, '\n');
}
else if (StrEquals(typeType, "enum"))
{
StreamPrintf(headerFile, "extern int %sFromStr(char *);\n", type);
StreamPrintf(implFile, "int\n%sFromStr(char *str)\n{\n", type);
for (i = 0; i < ArraySize(keys); i++)
{
char *key = ArrayGet(keys, i);
if (i > 0)
{
StreamPrintf(implFile, " else if");
}
else
{
StreamPrintf(implFile, " if");
}
StreamPrintf(implFile, " (StrEquals(str, \"%s\"))\n {\n", Trim('_', key));
StreamPrintf(implFile, " return %s;\n", JsonValueAsString(JsonGet(fields, 2, key, "name")));
StreamPrintf(implFile, " }\n");
}
StreamPrintf(implFile, " else\n {\n");
StreamPrintf(implFile, " return -1;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, "}\n\n");
StreamPrintf(headerFile, "extern char * %sToStr(%s);\n", type, type);
StreamPrintf(implFile, "char *\n%sToStr(%s val)\n{\n", type, type);
StreamPrintf(implFile, " switch (val)\n {\n");
for (i = 0; i < ArraySize(keys); i++)
{
char *key = ArrayGet(keys, i);
char *name = JsonValueAsString(JsonGet(fields, 2, key, "name"));
StreamPrintf(implFile, " case %s:\n", name);
StreamPrintf(implFile, " return \"%s\";\n", Trim('_', key));
}
StreamPrintf(implFile, " default:\n");
StreamPrintf(implFile, " return NULL;\n");
StreamPrintf(implFile, " }\n");
StreamPrintf(implFile, "}\n\n");
StreamPutc(headerFile, '\n');
}
ArrayFree(keys);
}
StreamPrintf(headerFile, "#endif /* %s */\n", guard);
ret = EXIT_SUCCESS;
finish:
StreamClose(schemaFile);
StreamClose(headerFile);
StreamClose(implFile);
JsonFree(schemaJson);
return ret;
}
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