mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-27 08:49:16 +08:00
f6e25b695e
re: https://github.com/Unidata/netcdf-c/issues/2117 re: https://github.com/Unidata/netcdf-c/issues/2119 * Modify libsrc to allow byte-range reading of netcdf-3 files in private S3 buckets; this required using the aws sdk. Also add a test case. * The aws sdk can sometimes cause problems if the Awd::ShutdownAPI function is not called. So at optional atexit() support to ensure it is called. This is disabled for Windows. * Add documentation to nczarr.md on how to build and use the aws sdk under windows. Currently it builds, but testing fails. * Switch testing from stratus to the Unidata bucket on S3. * Improve support for the s3: url protocol. * Add a s3 specific utility code file: ds3util.c * Modify NC_infermodel to attempt to read the magic number of byte-ranged files in S3. ## Misc. * Move and rename the core S3 SDK wrapper code (libnczarr/zs3sdk.cpp) to libdispatch since it now used in libsrc as well as libnczarr. * Add calls to nc_finalize in the utilities in case atexit is disabled. * Add header only json parser to the distribution rather than as a built source.
356 lines
9.0 KiB
C
356 lines
9.0 KiB
C
/*
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* Copyright 2018, University Corporation for Atmospheric Research
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*/
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#include "ut_includes.h"
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#define DEBUG
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typedef enum Cmds {
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cmd_none = 0,
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cmd_build = 1,
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cmd_parse = 2,
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} Cmds;
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/* Forward */
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static int testbuild(void);
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static int testparse(void);
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static void dump(NCjson* json);
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static void dumpR(NCjson* json, int depth);
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static char* sortname(int sort);
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static int jclone(NCjson* json, NCjson** clonep);
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static int cloneArray(NCjson* array, NCjson** clonep);
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static int cloneDict(NCjson* dict, NCjson** clonep);
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struct Test tests[] = {
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{"build", testbuild},
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{"parse", testparse},
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{NULL, NULL}
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};
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typedef struct NCJ {
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NCjson* ncj_string;
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NCjson* ncj_int;
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NCjson* ncj_double;
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NCjson* ncj_boolean;
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NCjson* ncj_null;
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NCjson* ncj_array1;
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NCjson* ncj_array2;
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NCjson* ncj_dict1;
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NCjson* ncj_dict2;
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} NCJ;
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int
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main(int argc, char** argv)
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{
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int stat = NC_NOERR;
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if((stat = ut_init(argc, argv, &utoptions))) goto done;
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if((stat = runtests((const char**)utoptions.cmds,tests))) goto done;
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done:
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ut_final();
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if(stat) usage(stat);
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return 0;
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}
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/* Build a reasonably complex json structure */
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static int
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build(NCJ* ncj)
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{
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int stat = NC_NOERR;
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NCjson* clone = NULL;
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memset(ncj,0,sizeof(NCJ));
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/* Build instances of primitives */
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if((stat = NCJnew(NCJ_STRING,&ncj->ncj_string))) goto done;
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NCJsetstring(ncj->ncj_string, strdup("string"));
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if((stat = NCJnew(NCJ_INT,&ncj->ncj_int))) goto done;
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NCJsetstring(ncj->ncj_int, strdup("117"));
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if((stat = NCJnew(NCJ_DOUBLE,&ncj->ncj_double))) goto done;
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NCJsetstring(ncj->ncj_double, strdup("3.1415926"));
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if((stat = NCJnew(NCJ_BOOLEAN,&ncj->ncj_boolean))) goto done;
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NCJsetstring(ncj->ncj_boolean, strdup("true"));
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if((stat = NCJnew(NCJ_NULL,&ncj->ncj_null))) goto done;
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/* Create an empty array */
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if((stat = NCJnew(NCJ_ARRAY,&ncj->ncj_array1))) goto done;
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/* Create a filled array */
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if((stat = NCJnew(NCJ_ARRAY,&ncj->ncj_array2))) goto done;
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if((stat = jclone(ncj->ncj_string,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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if((stat = jclone(ncj->ncj_int,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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if((stat = jclone(ncj->ncj_double,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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if((stat = jclone(ncj->ncj_boolean,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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if((stat = jclone(ncj->ncj_null,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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if((stat = jclone(ncj->ncj_array1,&clone))) goto done;
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if((stat = NCJappend(ncj->ncj_array2,clone))) goto done;
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/* Create an empty dict */
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if((stat = NCJnew(NCJ_DICT,&ncj->ncj_dict1))) goto done;
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/* Create a filled dict */
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if((stat = NCJnew(NCJ_DICT,&ncj->ncj_dict2))) goto done;
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if((stat = jclone(ncj->ncj_string,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"string",clone))) goto done;
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if((stat = jclone(ncj->ncj_int,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"int",clone))) goto done;
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if((stat = jclone(ncj->ncj_double,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"double",clone))) goto done;
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if((stat = jclone(ncj->ncj_boolean,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"boolean",clone))) goto done;
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if((stat = jclone(ncj->ncj_null,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"null",clone))) goto done;
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if((stat = jclone(ncj->ncj_array1,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"array1",clone))) goto done;
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if((stat = jclone(ncj->ncj_array2,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"array2",clone))) goto done;
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if((stat = jclone(ncj->ncj_dict1,&clone))) goto done;
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if((stat = NCJinsert(ncj->ncj_dict2,"dict1",clone))) goto done;
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done:
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return THROW(stat);
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}
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static int
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jclone(NCjson* json, NCjson** clonep)
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{
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int stat = NC_NOERR;
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NCjson* clone = NULL;
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if(json == NULL) goto done;
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switch(json->sort) {
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case NCJ_INT:
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case NCJ_DOUBLE:
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case NCJ_BOOLEAN:
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case NCJ_STRING:
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if((stat=NCJnew(json->sort,&clone))) goto done;
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NCJsetstring(clone,strdup(NCJstring(json)));
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if(NCJstring(clone) == NULL)
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{stat = NC_ENOMEM; goto done;}
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break;
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case NCJ_NULL:
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if((stat=NCJnew(json->sort,&clone))) goto done;
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break;
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case NCJ_DICT:
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if((stat=cloneDict(json,&clone))) goto done;
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break;
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case NCJ_ARRAY:
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if((stat=cloneArray(json,&clone))) goto done;
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break;
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default: break; /* nothing to clone */
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}
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done:
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if(stat == NC_NOERR && clonep) {*clonep = clone; clone = NULL;}
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NCJreclaim(clone);
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return stat;
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}
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static int
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cloneArray(NCjson* array, NCjson** clonep)
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{
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int i, stat=NC_NOERR;
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NCjson* clone = NULL;
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if((stat=NCJnew(NCJ_ARRAY,&clone))) goto done;
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for(i=0;i<NCJlength(array);i++) {
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NCjson* elem = NCJith(array,i);
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NCjson* elemclone = NULL;
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if((stat=jclone(elem,&elemclone))) goto done;
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if((stat=NCJappend(clone,elemclone))) goto done;
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}
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done:
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if(stat == NC_NOERR && clonep) {*clonep = clone; clone = NULL;}
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NCJreclaim(clone);
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return stat;
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}
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static int
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cloneDict(NCjson* dict, NCjson** clonep)
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{
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int stat = NC_NOERR;
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NCjson* clone = NULL;
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if((stat=cloneArray(dict,&clone))) goto done;
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/* Convert from array to dict */
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NCJsetsort(clone,NCJ_DICT);
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done:
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if(stat == NC_NOERR && clonep) {*clonep = clone; clone = NULL;}
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NCJreclaim(clone);
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return stat;
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}
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static void
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clear(NCJ* ncj)
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{
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NCJreclaim(ncj->ncj_array1);
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NCJreclaim(ncj->ncj_array2);
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NCJreclaim(ncj->ncj_dict1);
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NCJreclaim(ncj->ncj_dict2);
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NCJreclaim(ncj->ncj_string);
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NCJreclaim(ncj->ncj_int);
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NCJreclaim(ncj->ncj_double);
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NCJreclaim(ncj->ncj_boolean);
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NCJreclaim(ncj->ncj_null);
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}
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/* Create test netcdf4 file via netcdf.h API*/
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static int
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testbuild(void)
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{
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int stat = NC_NOERR;
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NCJ ncj;
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/* Build */
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if((stat = build(&ncj))) goto done;
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/* Primitives */
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dump(ncj.ncj_string);
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dump(ncj.ncj_int);
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dump(ncj.ncj_double);
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dump(ncj.ncj_boolean);
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dump(ncj.ncj_null);
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/* Empty array */
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dump(ncj.ncj_array1);
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/* Filled array */
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dump(ncj.ncj_array2);
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/* Empty dict */
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dump(ncj.ncj_dict1);
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/* Filled dict */
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dump(ncj.ncj_dict2);
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done:
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clear(&ncj);
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return THROW(stat);
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}
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/* Test the parser */
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static int
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testparse(void)
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{
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NCJ ncj;
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int stat = NC_NOERR;
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char* text = NULL;
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char* result = NULL;
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NCjson* json = NULL;
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/* Build */
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if((stat = build(&ncj))) goto done;
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if((stat = NCJunparse(ncj.ncj_dict2,0,&text))) goto done;
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if((stat = NCJparse(text,0,&json))) goto done;
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if((stat = NCJunparse(json,0,&result))) goto done;
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printf("text : |%s|\nresult: |%s|\n",text,result);
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done:
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nullfree(text);
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nullfree(result);
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NCJreclaim(json);
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clear(&ncj);
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return stat;
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}
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static void
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dump(NCjson* json)
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{
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dumpR(json,0);
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fflush(stdout);
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fflush(stderr);
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}
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static void
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dumpR(NCjson* json, int depth)
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{
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int ok, count, i;
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long long int64v;
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double float64v;
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printf("/%s/ ",sortname(NCJsort(json)));
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switch(NCJsort(json)) {
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case NCJ_STRING: printf("\"%s\"",NCJstring(json)); break;
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case NCJ_INT:
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ok = sscanf(NCJstring(json),"%lld%n",&int64v,&count);
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if(ok != 1 || count != strlen(NCJstring(json))) goto fail;
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printf("%lld",int64v);
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break;
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case NCJ_DOUBLE:
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ok = sscanf(NCJstring(json),"%lg%n",&float64v,&count);
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if(ok != 1 || count != strlen(NCJstring(json))) goto fail;
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printf("%lg",float64v);
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break;
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case NCJ_BOOLEAN:
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if(strcasecmp(NCJstring(json),"true") != 0
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&& strcasecmp(NCJstring(json),"false") != 0) goto fail;
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printf("%s",NCJstring(json));
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break;
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case NCJ_NULL:
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printf("null");
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break;
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case NCJ_DICT:
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if(NCJlength(json) == 0) {
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printf("{}");
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} else {
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printf("\n");
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for(i=0;i<NCJlength(json);i+=2) {
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NCjson* j = NULL;
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j = (NCjson*)NCJith(json,i);
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assert(NCJsort(j) == NCJ_STRING);
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printf("{%d} ",depth+1);
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printf("\"%s\" => ",NCJstring(j));
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if(i+1 >= NCJlength(json)) {/* malformed */
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printf("<malformed>");
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} else
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dumpR((NCjson*)NCJith(json,i+1),depth+1);
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}
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}
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break;
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case NCJ_ARRAY:
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if(NCJlength(json) == 0) {
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printf("[]");
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} else {
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printf("\n");
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for(i=0;i<NCJlength(json);i++) {
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printf("[%d] ",depth+1);
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dumpR((NCjson*)NCJith(json,i),depth+1);
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}
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}
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break;
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default: printf("unknown"); break;
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}
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printf("\n");
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return;
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fail:
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printf("clone?\n");
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}
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static char*
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sortname(int sort)
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{
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switch (sort) {
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case NCJ_STRING: return "String";
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case NCJ_INT: return "Int";
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case NCJ_DOUBLE: return "Double";
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case NCJ_BOOLEAN: return "Boolean";
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case NCJ_NULL: return "Null";
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case NCJ_DICT: return "Dict";
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case NCJ_ARRAY: return "Array";
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default: break;
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}
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return "Unknown";
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}
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