I am trying to generate go structs incl. json tags.
I can do:
string name = 1 [json_name="item.name, omitempty"];
But that only generates - json=item.name and only json:"name,omitempty"
Name string `protobuf:"bytes,1,opt,name=name,json=item.name, omitempty,proto3" json:"name,omitempty"`
But I need:- json:"item.name,omitempty" Note the tag is missing "item.".
And it looks like no matter what you put in json_name it is not reflected in "json:"
Du you know how to set json tags?
Not supported. The proto file json_name is not used to generate the code.
https://github.com/golang/protobuf/issues/52
I also thought it was a bug
https://github.com/golang/protobuf/issues/998
Related
I'm creating a JSON message from my ITSM solution, which uses Freemarker as a template tool.
The system returns a list of materials in the form of a string like this:
{ "[ZA00344] Toner Teste", "MATNR" : "[ZA00888] Caneta" }
Is there any built-in to extract the key between [] without using keep_after, keep_befor, or such functions? Cause these can eventually cause problems.
Thanks.
When I am decoding protobuf encoded data, I use parseFrom() method which is available in the code generated by protoc.
What I want to know is, is there a way to load protocol buffers data into some kind of a generic object, and read data from it using field names or tag numbers, without using code generation?
This is available in Avro with GenericRecord. What I want to know is, whether there is a similar capability in protobuf too.
Found it
Compile the proto file into a desc file
protoc --descriptor_set_out=point.desc --include_imports point.proto
Load the desc file.
InputStream input = new FileInputStream("point.desc");
DescriptorProtos.FileDescriptorSet descriptorSet = DescriptorProtos.FileDescriptorSet.parseFrom(input);
DescriptorProtos.FileDescriptorProto fileDescriptorProto = descriptorSet.getFile(0);
Descriptors.Descriptor messageDescriptor = Descriptors.FileDescriptor
.buildFrom(fileDescriptorProto, new Descriptors.FileDescriptor[0])
.findMessageTypeByName("Point");
Use the loaded descriptor to decode data.
DynamicMessage dynamicMessage = DynamicMessage.parseFrom(messageDescriptor, encodedBytes);
int x = (int) dynamicMessage.getField(messageDescriptor.findFieldByName("x"));
I am implementing a freemarker code in an environment that stores the templates in an database.
for example
${bundle.key}
will display the value of the row with row_id = 'key'
However when I use include directive something doesn't work.
I have a template with a key GenF as follows
<#function PriceFormat Number>
<#return Number?string['0.0000']>
</#function>
if i run
${GenF.PriceFormat(1.568)}
I get the output
1.5680
as expected.
but when i run
<#include bundle.GenF>
${PriceFormat(1.568)}
I receive an error message:
Can't find resource for bundle ...structures.shared.localization.bl.MultiResourceBundle, key
do I use the include directive wrong, or is something was not defined correctly in the Data model by our programmers?
#include expects the name
(path, "file" name) of a template, not the template content itself. See: https://freemarker.apache.org/docs/ref_directive_include.html
What you seem to want is <#bundle.GenF?interpret />. Though note that the parsed template won't be cached that way, unlike when you invoke a template with #include. For #include to be able to resolve "bundle.GenF" as template name (or rather something like "bundle:/GenF", but it's up to you), you have to use a custom TemplateLoader (see Configuration.setTemplateLoader).
As far as you only need this for defining custom number formats, you may also want to consider using custom number formats (https://freemarker.apache.org/docs/pgui_config_custom_formats.html), like ${1.538?string.#bundle_GenF}.
I am using an API (zillow) which returns a complex hash. A sample result is
{"xmlns:xsi"=>"http://www.w3.org/2001/XMLSchema-instance",
"xsi:schemaLocation"=>"http://www.zillow.com/static/xsd/SearchResults.xsd http://www.zillowstatic.com/vstatic/5985ee4/static/xsd/SearchResults.xsd",
"xmlns:SearchResults"=>"http://www.zillow.com/static/xsd/SearchResults.xsd", "request"=>[{"address"=>["305 Vinton St"], "citystatezip"=>["Melrose, MA 02176"]}],
"message"=>[{"text"=>["Request successfully processed"], "code"=>["0"]}],
"response"=>[{"results"=>[{"result"=>[{"zpid"=>["56291382"], "links"=>[{"homedetails"=>["http://www.zillow.com/homedetails/305-Vinton-St-Melrose-MA-02176/56291382_zpid/"],
"graphsanddata"=>["http://www.zillow.com/homedetails/305-Vinton-St-Melrose-MA-02176/56291382_zpid/#charts-and-data"], "mapthishome"=>["http://www.zillow.com/homes/56291382_zpid/"],
"comparables"=>["http://www.zillow.com/homes/comps/56291382_zpid/"]}], "address"=>[{"street"=>["305 Vinton St"], "zipcode"=>["02176"], "city"=>["Melrose"], "state"=>["MA"], "latitude"=>["42.466805"],
"longitude"=>["-71.072515"]}], "zestimate"=>[{"amount"=>[{"currency"=>"USD", "content"=>"562170"}], "last-updated"=>["06/01/2014"], "oneWeekChange"=>[{"deprecated"=>"true"}], "valueChange"=>[{"duration"=>"30", "currency"=>"USD", "content"=>"42749"}], "valuationRange"=>[{"low"=>[{"currency"=>"USD",
"content"=>"534062"}], "high"=>[{"currency"=>"USD", "content"=>"590278"}]}], "percentile"=>["0"]}], "localRealEstate"=>[{"region"=>[{"id"=>"23017", "type"=>"city",
"name"=>"Melrose", "links"=>[{"overview"=>["http://www.zillow.com/local-info/MA-Melrose/r_23017/"], "forSaleByOwner"=>["http://www.zillow.com/melrose-ma/fsbo/"],
"forSale"=>["http://www.zillow.com/melrose-ma/"]}]}]}]}]}]}]}
I can extract a specific value using the following:
result = result.to_hash
p result["response"][0]["results"][0]["result"][0]["zestimate"][0]["amount"][0]["content"]
It seems odd to have to specify the index of each element in this fashion. Is there a simpler way to obtain a named value?
It looks like this should be parsed into XML. According to the Zillow API Docs, it returns XML by default. Apparently, "to_hash" was able to turn this into a hash (albeit, a very ugly one), but you are really trying to swim upstream by using it this way. I would recommend using it as intended (xml) at the start, and then maybe parsing it into an easier to use format (like a JSON/Hash structure) later.
Nokogiri is GREAT at parsing XML! You can use the xpath syntax for grabbing elements from the dom, or even css selectors.
For example, to get an array of the "content" in every result:
response = #get xml response from zillow
results = Nokogiri::XML(response).remove_namespaces!
#using css
content_array = results.css("result content")
#same thing using xpath:
content_array = results.xpath("//result//content")
If you just want the content from the first result, you can do this as a shortcut:
content = results.at_css("result content").content
Since it is indeed XML dumped into a JSON, you could use JSONPath to query the JSON
Can anyone help me to load values in a STRINGTABLE in vc++ programmatically? I'm using the MFC.
You can load strings directly from a string table using the LoadString method, I use it all the time.
http://msdn.microsoft.com/en-us/library/ms647486(v=vs.85).aspx
CStringW myString;
myString.LoadString(RESOURCE_ID); //where RESOURCE_ID is the Stringtable
//entry ID
*EDIT: Thanks for the input this makes the answer much better!!
You can have a custom resource where you would put a text file. At runtime, read that text file as resource.
void GetResourceAsString(int nResourceID, CStringA &strResourceString)
{
HRSRC hResource = FindResource(NULL, MAKEINTRESOURCE(nResourceID), L"DATA");
HGLOBAL hResHandle = LoadResource(NULL, hResource);
// Resource is ANSII
const char* lpData = static_cast<char*> ( LockResource(hResHandle) );
strResourceString.SetString(lpData, SizeofResource(NULL, hResource));
FreeResource(hResource);
}
Where DATA would be your custom resource type, and nResource would be resource-id under DATA resource type. Of course, you can choose another other name rather than "DATA".
Normally you define for each string a constant that gets included in your program as well as in the resource-file. The string resource is then placed in the .rsrc-section of your executable and strings can be retrieved with LoadString() by naming the defined constant for that string.
Maybe you instead want to iterate through all the string-resources of your executable at run-time? You can do that by reading your process-memory at the appropriate entry in the PE-struct. You can find the string-table entry in the PE-struct if you tahttp://msdn.microsoft.com/en-us/windows/hardware/gg463119.aspx under "Resource Directory Table" or have a look into the winapi include-files which define the PE-structs.
It's hard to know what you're really asking for, but I'm going to try an answer. This assumes you're asking how to put the strings into resources, rather than how to read an existing resource.
The .rc file containing the resources can contain #include directives. All you have to do is write out a text file containing the strings you want to include, along with the STRINGTABLE, BEGIN, and END directives along with the ID of each string. You should also create a .h file that defines each of the IDs and include that in the .rc too.