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core(persistence): fix writeRaw() / readRaw() struct support

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- writeRaw(): support structs
- readRaw(): 'len' is buffer limit in bytes (documentation is fixed)
This commit is contained in:
Alexander Alekhin
2019-07-15 21:30:35 +00:00
committed by Alexander Alekhin
parent c3b838b738
commit 4ea8526e9f
5 changed files with 37 additions and 40 deletions
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modules/core/test/test_io.cpp
+6 -6
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@@ -724,10 +724,10 @@ static void test_filestorage_basic(int write_flags, const char* suffix_name, boo
fs << "empty_2d_mat" << _em_out;
fs << "random_mat" << _rd_out;
cvStartWriteStruct( *fs, "rawdata", CV_NODE_SEQ | CV_NODE_FLOW, "binary" );
fs << "rawdata" << "[:";
for (int i = 0; i < (int)rawdata_N/10; i++)
cvWriteRawData(*fs, rawdata.data() + i * 10, 10, data_t::signature());
cvEndWriteStruct( *fs );
fs.writeRaw(data_t::signature(), (const uchar*)&rawdata[i * 10], sizeof(data_t) * 10);
fs << "]";
size_t sz = 0;
if (useMemory)
@@ -763,7 +763,7 @@ static void test_filestorage_basic(int write_flags, const char* suffix_name, boo
/* raw data */
std::vector<data_t>(rawdata_N).swap(rawdata);
cvReadRawData(*fs, fs["rawdata"].node, rawdata.data(), data_t::signature());
fs["rawdata"].readRaw(data_t::signature(), (uchar*)&rawdata[0], rawdata.size() * sizeof(data_t));
fs.release();
}
@@ -925,7 +925,7 @@ TEST(Core_InputOutput, filestorage_base64_valid_call)
{
cv::FileStorage fs(file_name, cv::FileStorage::READ);
std::vector<int> data_in(rawdata.size());
fs["manydata"][0].readRaw("i", (uchar *)data_in.data(), data_in.size());
fs["manydata"][0].readRaw("i", (uchar *)data_in.data(), data_in.size() * sizeof(data_in[0]));
EXPECT_TRUE(fs["manydata"][0].isSeq());
EXPECT_TRUE(std::equal(rawdata.begin(), rawdata.end(), data_in.begin()));
cv::String str_in;
@@ -957,7 +957,7 @@ TEST(Core_InputOutput, filestorage_base64_valid_call)
EXPECT_TRUE(fs["manydata"][0].isString());
EXPECT_EQ(str_in, str_out);
std::vector<int> data_in(rawdata.size());
fs["manydata"][1].readRaw("i", (uchar *)data_in.data(), data_in.size());
fs["manydata"][1].readRaw("i", (uchar *)data_in.data(), data_in.size() * sizeof(data_in[0]));
EXPECT_TRUE(fs["manydata"][1].isSeq());
EXPECT_TRUE(std::equal(rawdata.begin(), rawdata.end(), data_in.begin()));
fs.release();