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define errors are const, this allows easy comparison too - json2tsv - JSON to T… |
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git clone git://git.codemadness.org/json2tsv |
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--- |
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commit 03e5cd467dd7219175dc25fe821cea5e6d2a5520 |
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parent f8704af3ceec42fb7be10caca4392c85f82631eb |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Tue, 15 Oct 2019 18:48:05 +0200 |
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define errors are const, this allows easy comparison too |
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Diffstat: |
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M json2tsv.c | 27 ++++++++++++++++++--------- |
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1 file changed, 18 insertions(+), 9 deletions(-) |
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--- |
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diff --git a/json2tsv.c b/json2tsv.c |
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@@ -29,6 +29,15 @@ struct json_node { |
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size_t index; /* count/index for TYPE_ARRAY and TYPE_OBJECT */ |
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}; |
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+const char *JSON_ERROR_ALLOC = "cannot allocate enough memory"; |
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+const char *JSON_ERROR_BALANCE = "unbalanced nodes"; |
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+const char *JSON_ERROR_CODEPOINT = "invalid codepoint"; |
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+const char *JSON_ERROR_DEPTH = "max node depth reached"; |
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+const char *JSON_ERROR_ESCAPE_CHAR = "unknown escape character in string"; |
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+const char *JSON_ERROR_INVALID_CHAR = "invalid character in string"; |
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+const char *JSON_ERROR_MEMBER = "member, but not in an object/array"; |
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+const char *JSON_ERROR_OBJECT_MEMBER = "object member, but not in an object"; |
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+ |
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static int showindices = 0; /* -n flag: show indices count for arrays */ |
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int |
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@@ -110,7 +119,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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int c, i, escape, ret = -1; |
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char *value = NULL; |
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- *errstr = "cannot allocate enough memory"; |
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+ *errstr = JSON_ERROR_ALLOC; |
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if (capacity(&(nodes[0].name), &(nodes[0].namesiz), 0, 1) == -1) |
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goto end; |
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nodes[0].name[0] = '\0'; |
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@@ -123,7 +132,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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switch (c) { |
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case ':': |
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if (!depth || nodes[depth - 1].type != TYPE_OBJECT) { |
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- *errstr = "object member, but not in an object… |
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+ *errstr = JSON_ERROR_OBJECT_MEMBER; |
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goto end; |
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} |
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@@ -159,7 +168,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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case 'u': /* hex hex hex hex */ |
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for (i = 12, cp = 0; i >= 0; i… |
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if ((c = GETNEXT()) ==… |
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- *errstr = "inv… |
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+ *errstr = JSON… |
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goto end; |
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} |
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cp |= (hexdigit(c) << … |
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@@ -170,19 +179,19 @@ parsejson(void (*cb)(struct json_node *, size_t, const ch… |
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* 0xd800 - 0xdb7f - high surr… |
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if (cp >= 0xd800 && cp <= 0xdb… |
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if (GETNEXT() != '\\' … |
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- *errstr = "inv… |
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+ *errstr = JSON… |
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goto end; |
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} |
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for (hi = cp, i = 12, … |
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if ((c = GETNE… |
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- *errst… |
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+ *errst… |
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goto e… |
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} |
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lo |= (hexdigi… |
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} |
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/* 0xdc00 - 0xdfff - l… |
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if (!(lo >= 0xdc00 && … |
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- *errstr = "inv… |
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+ *errstr = JSON… |
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goto end; |
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} |
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cp = (hi << 10) + lo -… |
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@@ -214,7 +223,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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case '[': |
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case '{': |
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if (depth + 1 >= JSON_MAX_NODE_DEPTH) { |
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- *errstr = "max node depth reached"; |
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+ *errstr = JSON_ERROR_DEPTH; |
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goto end; |
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} |
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@@ -244,7 +253,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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if (!depth || |
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(c == ']' && nodes[depth - 1].type != TYPE_ARRAY) … |
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(c == '}' && nodes[depth - 1].type != TYPE_OBJECT)… |
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- *errstr = "unbalanced nodes"; |
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+ *errstr = JSON_ERROR_BALANCE; |
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goto end; |
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} |
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@@ -262,7 +271,7 @@ parsejson(void (*cb)(struct json_node *, size_t, const char… |
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} |
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} |
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if (depth) { |
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- *errstr = "unbalanced nodes"; |
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+ *errstr = JSON_ERROR_BALANCE; |
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goto end; |
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} |
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