skil no-op markers, update documentation

Author: fangq

ChangeLog.txt

@@ -8,6 +8,7 @@ JSONlab ChangeLog (key features marked by *):
 
 == JSONlab 2.0 (codename: Magnus Prime), FangQ <q.fang (at) neu.edu> ==
 
+ 2020-06-09*[       ] created `jdata` and `bjdata` python modules to share data with MATLAB
  2020-06-08*[cbde607] add savebj and loadbj to dedicate to loading and saving bjdata
  2020-06-08*[e2451e1] add unit testing script, fix issues found in the testing unit
  2020-06-06 [a44015f] accelerate fast_match_bracket, drop unicode2native for speed

Contents.m

@@ -12,7 +12,7 @@
 %   jdatadecode        - newdata=jdatadecode(data,opt,...)
 %   jdataencode        - jdata=jdataencode(data)
 %   jsave              - jsave(fname,'param1',value1,'param2',value2,...)
-%   jload              - jload(fname,'param1',value1,'param2',value2,...)
+%   jload              - vars=jload(fname,'param1',value1,'param2',value2,...)
 %   jsonopt            - val=jsonopt(key,default,optstruct)
 %   loadbj             - data=loadbj(fname,opt)
 %   loadjson           - data=loadjson(fname,opt)
@@ -726,21 +726,21 @@
 %           to a field in opt. opt can have the following 
 %           fields (first in [.|.] is the default)
 %
-%           ws ['base'|'wsname']: the name of the workspace in which the
+%           ws ['caller'|'base']: the name of the workspace in which the
 %                         variables are to be saved
 %           vars [{'var1','var2',...}]: cell array of variable names to be saved
 %           matlab [0|1] if set to 1, use matlab's built-in jsonencode to
 %                         store encoded data to a json file; output file
 %                         must have a suffix of .jdt
 %
-%           all options for saveubjson/savejson (depends on file suffix)
+%           all options for savebj/savejson (depends on file suffix)
 %           can be used to adjust the output unless "'matlab',1" is used
 %
 % output:
 %      varlist: a list of variables loaded
 %
 % examples:
-%      jsave  % save all variables in the 'base' workspace to jamdata.jamm
+%      jsave  % save all variables in the 'caller' workspace to jamdata.jamm
 %      jsave('mydat.jamm','vars', {'v1','v2',...}) % save selected variables
 %      jsave('mydat.jamm','compression','lzma')
 %
@@ -753,6 +753,8 @@
 % jload
 %   or
 % jload(fname)
+% varlist=jload(fname)
+% [varlist, header]=jload(fname)
 % varlist=jload(fname,'param1',value1,'param2',value2,...)
 %
 % Load variables from a JSON or binary JSON file to a workspace
@@ -769,7 +771,7 @@
 %           to a field in opt. opt can have the following 
 %           fields (first in [.|.] is the default)
 %
-%           ws ['base'|'wsname']: the name of the workspace in which the
+%           ws ['caller'|'base']: the name of the workspace in which the
 %                         variables are to be saved
 %           vars [{'var1','var2',...}]: list of variables to be saved
 %           header [0|1]: if set to 1, return the metadata of the variables 
@@ -782,13 +784,16 @@
 %           can be used to adjust the parsing options
 %
 % output:
-%      varlist: a list of variables loaded
+%      varlist: a struct with each subfield a variable stored in the file,
+%               if output is ignored, the variables will be loaded to the
+%               workspace specified by the 'ws' option, which by default
+%               load the variables to the current workspace ('caller')
 %
 % examples:
-%      jload  % load all variables in jamdata.jamm to the 'base' workspace 
+%      jload  % load all variables in jamdata.jamm to the 'caller' workspace 
 %      jload mydat.jamm
 %      jload('mydat.jamm','vars', {'v1','v2',...}) % load selected variables
-%      jload('mydat.jamm','simplifycell',1)
+%      varlist=jload('mydat.jamm','simplifycell',1)
 %
 % license:
 %     BSD or GPL version 3, see LICENSE_{BSD,GPLv3}.txt files for details 
@@ -1425,5 +1430,3 @@
 % license:
 %     BSD or GPL version 3, see LICENSE_{BSD,GPLv3}.txt files for details
 %
-
-

DESCRIPTION

@@ -1,6 +1,6 @@
 Name: jsonlab
 Version: 2.0.0
-Date: 2020-06-01
+Date: 2020-06-13
 
 Title: A JSON/UBJSON/MessagePack encoder/decoder for MATLAB/Octave
 Author: Qianqian Fang <fangqq@gmail.com>

README.rst

@@ -380,8 +380,8 @@ jload.m
 .. code-block:: matlab
 
       jload    % load variables from jamdata.jamm to the current workspace
-      jload mydata.jamm
-      jload('mydata.jamm','vars',{'var1','var2'})
+      jload mydata.jamm   % load variables from mydata.jamm
+      vars=jload('mydata.jamm','vars',{'var1','var2'}) % return vars.var1, vars.var2
       jload('mydata.jamm','simplifycell',0)
       jload('mydata.json')
 

README.txt

@@ -334,8 +334,8 @@ The main benefits of using .jamm file to share matlab variables include
 === jload.m ===
 
       jload    % load variables from jamdata.jamm to the current workspace
-      jload mydata.jamm
-      jload('mydata.jamm','vars',{'var1','var2'})
+      jload mydata.jamm   % load variables from mydata.jamm
+      vars=jload('mydata.jamm','vars',{'var1','var2'}) % return vars.var1, vars.var2
       jload('mydata.jamm','simplifycell',0)
       jload('mydata.json')
 

loadbj.m

@@ -244,6 +244,10 @@
         c = [];
     else
         c = inputstr(pos);
+        while(c=='N')
+             pos=pos+1;
+             c = inputstr(pos);
+        end
     end
 end
 
@@ -307,7 +311,8 @@
 %%-------------------------------------------------------------------------
 
 function [val, pos] = parse_value(inputstr, pos, varargin)
-    switch(inputstr(pos))
+    [cc,pos]=next_char(inputstr,pos);
+    switch(cc)
         case {'S','C','H'}
             [val, pos] = parseStr(inputstr, pos, varargin{:});
             return;

saveubjson.m

@@ -63,9 +63,9 @@
 %
 
 if(nargin==1)
-    ubj=saveubjson('',rootname,'ubjson',1);
+    ubj=savebj('',rootname,'ubjson',1);
 elseif(length(varargin)==1 && ischar(varargin{1}))
-    ubj=saveubjson(rootname,obj,'FileName',varargin{1},'ubjson',1);
+    ubj=savebj(rootname,obj,'FileName',varargin{1},'ubjson',1);
 else
-    ubj=saveubjson(rootname,obj,varargin{:},'ubjson',1);
+    ubj=savebj(rootname,obj,varargin{:},'ubjson',1);
 end

test/run_jsonlab_test.m

@@ -171,6 +171,7 @@ function run_jsonlab_test(tests)
     test_jsonlab('empty array',@savebj,[],'Z','debug',1);
     test_jsonlab('empty cell',@savebj,{},'Z','debug',1);
     test_jsonlab('empty string',@savebj,'','SU<0>','debug',1);
+    test_jsonlab('skip no-op before marker and after value',@savebj,loadbj(char(['NN[NU' char(5) 'NNNU' char(1) ']'])),'[$U#U<2><5><1>','debug',1);
     test_jsonlab('string escape',@savebj,sprintf('jdata\n\b\ashall\tprevail\t"\"\\'),sprintf('SU<25>jdata\n\b\ashall\tprevail\t\"\"\\'),'debug',1);
     if(exist('isstring'))
         test_jsonlab('string type',@savebj,string(sprintf('jdata\n\b\ashall\tprevail')),sprintf('[SU<21>jdata\n\b\ashall\tprevail]'),'debug',1);