forked from Telodendria/Telodendria
Add length calculations to JsonEncode() so we can set Content-Length.
This commit is contained in:
parent
bbea55be6c
commit
95ceba0645
9 changed files with 108 additions and 56 deletions
36
TODO.txt
36
TODO.txt
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@ -11,40 +11,12 @@ Key:
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Milestone: v0.3.0
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-----------------
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[~] Move configuration to database
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[x] Token permissions
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[x] Initial configuration
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[x] If no config, create one-time use registration token that
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grants user admin privileges.
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[~] /_telodendria/admin/config endpoint
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[x] JsonDuplicate()
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[x] Refactor TelodendriaConfig to just Config
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[~] /_telodendria/admin/config endpoint
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[x] Replace entire config
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[ ] Update only certain values
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[ ] Documentation
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[x] Array
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[x] Io
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[x] Stream
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[x] Tls
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[x] HttpClient
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[x] Uri
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[x] td
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[x] tt
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[x] http-debug-server
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[x] tp
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[x] send-patch
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[x] Log
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[x] TelodendriaConfig -> Config
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[x] HashMap
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[x] HttpRouter
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[x] Html
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[x] Str
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[x] HeaderParser
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[ ] hdoc(1) and hdoc(5)
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[x] telodendria-admin
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[x] telodendria-setup
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[x] telodendria-config
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[x] Refactor dev pages so function description and
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return value are in the same location.
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[x] Debug memory leaks with caching
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[ ] Debug OpenSSL
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@ -53,12 +25,10 @@ Milestone: v0.3.0
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[~] 4: Account management
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[~] Deactivate
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[x] Make sure UserLogin() fails if user is deactivated.
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[x] Change password
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[~] Whoami
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[ ] Attach device id to user object
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[ ] Use UserAuthenticate()
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[~] 9: User Data
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[x] 5: Capabilities negotiation
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[ ] 10: Security (Rate Limiting)
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Milestone: v0.4.0
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@ -652,7 +652,8 @@ HeaderParse(Stream * stream, HeaderExpr * expr)
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}
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else
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{
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/* Cope with preprocessor macro expansions at the top level. */
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/* Cope with preprocessor macro expansions at the top
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* level. */
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expr->type = HP_UNKNOWN;
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strncpy(expr->data.text, word, HEADER_EXPR_MAX);
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}
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67
src/Json.c
67
src/Json.c
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@ -333,13 +333,15 @@ JsonValueFree(JsonValue * value)
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Free(value);
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}
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void
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int
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JsonEncodeString(const char *str, Stream * out)
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{
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size_t i;
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char c;
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int length = 0;
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StreamPutc(out, '"');
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length++;
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i = 0;
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while ((c = str[i]) != '\0')
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@ -351,21 +353,27 @@ JsonEncodeString(const char *str, Stream * out)
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case '/':
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StreamPutc(out, '\\');
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StreamPutc(out, c);
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length += 2;
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break;
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case '\b':
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StreamPuts(out, "\\b");
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length += 2;
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break;
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case '\t':
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StreamPuts(out, "\\t");
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length += 2;
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break;
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case '\n':
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StreamPuts(out, "\\n");
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length += 2;
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break;
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case '\f':
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StreamPuts(out, "\\f");
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length += 2;
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break;
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case '\r':
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StreamPuts(out, "\\r");
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length += 2;
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break;
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default: /* Assume UTF-8 input */
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/*
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@ -381,11 +389,12 @@ JsonEncodeString(const char *str, Stream * out)
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*/
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if (c <= 0x001F)
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{
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StreamPrintf(out, "\\u%04x", c);
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length += StreamPrintf(out, "\\u%04x", c);
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}
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else
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{
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StreamPutc(out, c);
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length++;
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}
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break;
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}
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@ -393,6 +402,9 @@ JsonEncodeString(const char *str, Stream * out)
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}
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StreamPutc(out, '"');
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length++;
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return length;
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}
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static char *
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@ -567,67 +579,76 @@ JsonDecodeString(Stream * in)
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return NULL;
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}
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void
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int
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JsonEncodeValue(JsonValue * value, Stream * out, int level)
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{
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size_t i;
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size_t len;
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Array *arr;
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int length = 0;
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switch (value->type)
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{
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case JSON_OBJECT:
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JsonEncode(value->as.object, out, level >= 0 ? level : level);
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length += JsonEncode(value->as.object, out, level >= 0 ? level : level);
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break;
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case JSON_ARRAY:
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arr = value->as.array;
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len = ArraySize(arr);
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StreamPutc(out, '[');
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length++;
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for (i = 0; i < len; i++)
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{
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if (level >= 0)
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{
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StreamPrintf(out, "\n%*s", level + 2, "");
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length += StreamPrintf(out, "\n%*s", level + 2, "");
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}
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JsonEncodeValue(ArrayGet(arr, i), out, level >= 0 ? level + 2 : level);
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length += JsonEncodeValue(ArrayGet(arr, i), out, level >= 0 ? level + 2 : level);
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if (i < len - 1)
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{
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StreamPutc(out, ',');
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length++;
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}
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}
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if (level >= 0)
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{
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StreamPrintf(out, "\n%*s", level, "");
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length += StreamPrintf(out, "\n%*s", level, "");
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}
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StreamPutc(out, ']');
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length++;
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break;
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case JSON_STRING:
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JsonEncodeString(value->as.string, out);
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length += JsonEncodeString(value->as.string, out);
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break;
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case JSON_INTEGER:
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StreamPrintf(out, "%ld", value->as.integer);
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length += StreamPrintf(out, "%ld", value->as.integer);
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break;
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case JSON_FLOAT:
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StreamPrintf(out, "%f", value->as.floating);
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length += StreamPrintf(out, "%f", value->as.floating);
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break;
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case JSON_BOOLEAN:
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if (value->as.boolean)
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{
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StreamPuts(out, "true");
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length += 4;
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}
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else
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{
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StreamPuts(out, "false");
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length += 5;
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}
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break;
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case JSON_NULL:
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StreamPuts(out, "null");
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length += 4;
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break;
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default:
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return;
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return -1;
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}
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return length;
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}
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int
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@ -637,10 +658,11 @@ JsonEncode(HashMap * object, Stream * out, int level)
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size_t count;
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char *key;
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JsonValue *value;
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int length;
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if (!object || !out)
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if (!object)
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{
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return 0;
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return -1;
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}
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count = 0;
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count++;
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}
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/* The total number of bytes written */
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length = 0;
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StreamPutc(out, '{');
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length++;
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if (level >= 0)
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{
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StreamPutc(out, '\n');
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length++;
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}
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index = 0;
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if (level >= 0)
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{
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StreamPrintf(out, "%*s", level + 2, "");
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length += level + 2;
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}
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JsonEncodeString(key, out);
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length += JsonEncodeString(key, out);
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StreamPutc(out, ':');
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length++;
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if (level >= 0)
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{
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StreamPutc(out, ' ');
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length++;
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}
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JsonEncodeValue(value, out, level >= 0 ? level + 2 : level);
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length += JsonEncodeValue(value, out, level >= 0 ? level + 2 : level);
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if (index < count - 1)
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{
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StreamPutc(out, ',');
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length++;
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}
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if (level >= 0)
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{
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StreamPutc(out, '\n');
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length++;
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}
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index++;
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if (level >= 0)
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{
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StreamPrintf(out, "%*s", level, "");
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length += level;
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}
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StreamPutc(out, '}');
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length++;
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return 1;
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return length;
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}
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void
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@ -93,9 +93,14 @@ MatrixHttpHandler(HttpServerContext * context, void *argp)
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*/
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if (response)
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{
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char *contentLen = StrInt(JsonEncode(response, NULL, JSON_DEFAULT));
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HttpResponseHeader(context, "Content-Type", "application/json");
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HttpResponseHeader(context, "Content-Length", contentLen);
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HttpSendHeaders(context);
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Free(contentLen);
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stream = HttpServerStream(context);
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JsonEncode(response, stream, JSON_DEFAULT);
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JsonFree(response);
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18
src/Str.c
18
src/Str.c
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@ -258,3 +258,21 @@ StrRandom(size_t len)
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str[len] = '\0';
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return str;
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}
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char *
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StrInt(long i)
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{
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char *str;
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int len;
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len = snprintf(NULL, 0, "%ld", i);
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str = Malloc(len + 1);
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if (!str)
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{
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return NULL;
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}
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snprintf(str, len + 1, "%ld", i);
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return str;
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}
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@ -250,7 +250,7 @@ StreamVprintf(Stream * stream, const char *fmt, va_list ap)
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int ret;
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if (!stream || !fmt)
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if (!fmt)
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{
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return -1;
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}
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ret = vfprintf(fp, fmt, ap);
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fclose(fp);
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if (ret >= 0)
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if (ret >= 0 && stream)
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{
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ret = StreamPuts(stream, buf);
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if (StreamPuts(stream, buf) < 0)
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{
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ret = -1;
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};
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}
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free(buf); /* Allocated by stdlib, not Memory
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@ -247,8 +247,12 @@ extern void JsonFree(HashMap *);
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* CanonicalJson encoder. This will typically be used for encoding
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* object keys; to encode values, just use
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* .Fn JsonEncodeValue .
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* .Pp
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* This function returns the number of bytes written to the stream,
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* or if the stream is NULL, the number of bytes that would have
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* been written.
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*/
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extern void JsonEncodeString(const char *, Stream *);
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extern int JsonEncodeString(const char *, Stream *);
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/**
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* Serialize a JSON value as it would appear in JSON output. This is
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@ -267,14 +271,22 @@ extern void JsonEncodeString(const char *, Stream *);
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* .Va JSON_PRETTY .
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* To get minified output, set it to
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* .Va JSON_DEFAULT .
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* .Pp
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* This function returns the number of bytes written to the stream,
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* or if the stream is NULL, the number of bytes that would have
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* been written.
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*/
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extern void JsonEncodeValue(JsonValue *, Stream *, int);
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extern int JsonEncodeValue(JsonValue *, Stream *, int);
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/**
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* Encode a JSON object as it would appear in JSON output, writing it
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* to the given output stream. This function is recursive; it will
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* serialize everything accessible from the passed object. The third
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* parameter has the same behavior as described above.
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* .Pp
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* This function returns the number of bytes written to the stream,
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* or if the stream is NULL, the number of bytes that would have
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* been written.
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*/
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extern int JsonEncode(HashMap *, Stream *, int);
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@ -88,4 +88,12 @@ extern int StrBlank(const char *str);
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*/
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extern char * StrRandom(size_t);
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/**
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* Convert the specified integer into a string, returning the string
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* on the heap, or NULL if there was a memory allocation error. The
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* returned string should be freed by the caller after it is no longer
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* needed.
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*/
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extern char * StrInt(long);
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#endif /* TELODENDRIA_STR_H */
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@ -321,7 +321,7 @@ main(int argc, char **argv)
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break;
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}
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StreamPrintf(StreamStderr(), "Warning: Unknown expression: %s\n",
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expr.data.text);
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expr.data.text);
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break;
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default:
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StreamPrintf(StreamStderr(), "Unknown header type: %d\n", expr.type);
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