forked from ElektraInitiative/libelektra
-
Notifications
You must be signed in to change notification settings - Fork 1
/
convert.cpp
69 lines (56 loc) · 1.9 KB
/
convert.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/**
* @file
*
* @brief This file contains a function to convert a YAML file to a key set.
*
* @copyright BSD License (see LICENSE.md or https://www.libelektra.org)
*/
// -- Imports ------------------------------------------------------------------
#include "kdberrors.h"
#include "convert.hpp"
#include "driver.hpp"
using std::string;
using CppKey = kdb::Key;
using CppKeySet = kdb::KeySet;
// -- Function -----------------------------------------------------------------
/**
* @brief This function converts the given YAML file to keys and adds the
* result to `keySet`.
*
* @param keySet The function adds the converted keys to this variable.
* @param parent The function uses this parent key of `keySet` to emit error
* information.
* @param filename This parameter stores the path of the YAML file this
* function converts.
*
* @retval -3 if the file could not be opened for reading
* @retval -2 if parsing was unsuccessful due to memory exhaustion
* @retval -1 if there was an syntax error converting the YAML file
* @retval 0 if parsing was successful and the function did not change the given keyset
* @retval 1 if parsing was successful and the function did change `keySet`
*/
int addToKeySet (CppKeySet & keySet, CppKey & parent, string const & filename)
{
Driver driver{ parent };
int status = driver.parse (filename);
if (status < 0)
{
if (status == -3)
{
ELEKTRA_SET_RESOURCE_ERRORF (parent.getKey (), "Unable to open file '%s'", filename.c_str ());
}
else if (status == -2)
{
ELEKTRA_SET_OUT_OF_MEMORY_ERROR (parent.getKey (), "Parsing failed due to memory exhaustion");
}
else if (status == -1)
{
ELEKTRA_SET_VALIDATION_SYNTACTIC_ERROR (parent.getKey (), driver.getErrorMessage ().c_str ());
}
return status;
}
CppKeySet keys = driver.getKeySet ();
status = (keys.size () <= 0) ? 0 : 1;
keySet.append (keys);
return status;
}