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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/rapidjson/example/schemavalidator/schemavalidator.cpp
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
ceph-upstream.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rapidjson/example/schemavalidator/schemavalidator.cpp')
-rw-r--r--src/rapidjson/example/schemavalidator/schemavalidator.cpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/rapidjson/example/schemavalidator/schemavalidator.cpp b/src/rapidjson/example/schemavalidator/schemavalidator.cpp
new file mode 100644
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--- /dev/null
+++ b/src/rapidjson/example/schemavalidator/schemavalidator.cpp
@@ -0,0 +1,72 @@
+// Schema Validator example
+
+// The example validates JSON text from stdin with a JSON schema specified in the argument.
+
+#include "rapidjson/error/en.h"
+#include "rapidjson/filereadstream.h"
+#include "rapidjson/schema.h"
+#include "rapidjson/stringbuffer.h"
+
+using namespace rapidjson;
+
+int main(int argc, char *argv[]) {
+ if (argc != 2) {
+ fprintf(stderr, "Usage: schemavalidator schema.json < input.json\n");
+ return EXIT_FAILURE;
+ }
+
+ // Read a JSON schema from file into Document
+ Document d;
+ char buffer[4096];
+
+ {
+ FILE *fp = fopen(argv[1], "r");
+ if (!fp) {
+ printf("Schema file '%s' not found\n", argv[1]);
+ return -1;
+ }
+ FileReadStream fs(fp, buffer, sizeof(buffer));
+ d.ParseStream(fs);
+ if (d.HasParseError()) {
+ fprintf(stderr, "Schema file '%s' is not a valid JSON\n", argv[1]);
+ fprintf(stderr, "Error(offset %u): %s\n",
+ static_cast<unsigned>(d.GetErrorOffset()),
+ GetParseError_En(d.GetParseError()));
+ fclose(fp);
+ return EXIT_FAILURE;
+ }
+ fclose(fp);
+ }
+
+ // Then convert the Document into SchemaDocument
+ SchemaDocument sd(d);
+
+ // Use reader to parse the JSON in stdin, and forward SAX events to validator
+ SchemaValidator validator(sd);
+ Reader reader;
+ FileReadStream is(stdin, buffer, sizeof(buffer));
+ if (!reader.Parse(is, validator) && reader.GetParseErrorCode() != kParseErrorTermination) {
+ // Schema validator error would cause kParseErrorTermination, which will handle it in next step.
+ fprintf(stderr, "Input is not a valid JSON\n");
+ fprintf(stderr, "Error(offset %u): %s\n",
+ static_cast<unsigned>(reader.GetErrorOffset()),
+ GetParseError_En(reader.GetParseErrorCode()));
+ }
+
+ // Check the validation result
+ if (validator.IsValid()) {
+ printf("Input JSON is valid.\n");
+ return EXIT_SUCCESS;
+ }
+ else {
+ printf("Input JSON is invalid.\n");
+ StringBuffer sb;
+ validator.GetInvalidSchemaPointer().StringifyUriFragment(sb);
+ fprintf(stderr, "Invalid schema: %s\n", sb.GetString());
+ fprintf(stderr, "Invalid keyword: %s\n", validator.GetInvalidSchemaKeyword());
+ sb.Clear();
+ validator.GetInvalidDocumentPointer().StringifyUriFragment(sb);
+ fprintf(stderr, "Invalid document: %s\n", sb.GetString());
+ return EXIT_FAILURE;
+ }
+}