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Load properties from json and propagate to context create

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This commit is contained in:
Miodrag Milanovic
2019-06-13 20:42:11 +02:00
parent 4de147d9e4
commit 03dff10cbd
7 changed files with 65 additions and 9 deletions
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49
json/jsonparse.cc
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@@ -914,4 +914,53 @@ bool parse_json_file(std::istream &f, std::string &filename, Context *ctx)
}
}
bool load_json_settings(std::istream &f, std::string &filename, std::unordered_map<std::string,Property> &values)
{
try {
using namespace JsonParser;
if (!f)
log_error("failed to open JSON file.\n");
int lineno = 1;
JsonNode root(f, lineno);
if (root.type != 'D')
log_error("JSON root node is not a dictionary.\n");
if (root.data_dict.count("modules") != 0) {
JsonNode *modules = root.data_dict.at("modules");
if (modules->type != 'D')
log_error("JSON modules node is not a dictionary.\n");
for (auto &it : modules->data_dict) {
JsonNode *node = it.second;
if (is_blackbox(node))
continue;
if (node->data_dict.count("settings")) {
JsonNode *attr_node = node->data_dict.at("settings");
for (int attrid = 0; attrid < GetSize(attr_node->data_dict_keys); attrid++) {
JsonNode *param = attr_node->data_dict.at(attr_node->data_dict_keys[attrid]);
std::string pId = attr_node->data_dict_keys[attrid];
if (param->type == 'N') {
values[pId].setNumber(param->data_number);
} else if (param->type == 'S')
values[pId].setString(param->data_string);
else
log_error("JSON parameter type of \"%s\' of module not supported\n", pId.c_str());
}
}
}
}
return true;
} catch (log_execution_error_exception) {
return false;
}
}
NEXTPNR_NAMESPACE_END

2
json/jsonparse.h
View File

@@ -27,7 +27,7 @@
NEXTPNR_NAMESPACE_BEGIN
extern bool parse_json_file(std::istream &, std::string &, Context *);
extern bool load_json_settings(std::istream &f, std::string &filename, std::unordered_map<std::string,Property> &values);
NEXTPNR_NAMESPACE_END
#endif