From 242d36d2631e3e1f68216b75d462cb1f46ccd6ec Mon Sep 17 00:00:00 2001 From: Raymond Lu Date: Fri, 5 Apr 2002 17:31:20 -0500 Subject: [svn-r5147] Purpose: New feature Description: Added a query function H5Tget_member_index for compound and enumeration data types, to retrieve member's index by its name. Platforms tested: Linux 2.2 --- release_docs/RELEASE.txt | 3 + src/H5T.c | 59 +++++++++++++ src/H5Tpublic.h | 1 + test/dtypes.c | 214 +++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 277 insertions(+) diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index f477b99..fe5a14b 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -156,6 +156,9 @@ Documentation New Features ============ + * A new query function H5Tget_member_index has been added for compound + and enumeration data types, to retrieve member's index by name. + SLU - 2002/04/05 * Improved performance of "regular" hyperslab I/O when using MPI-IO and the datatype conversion is unneccessary. QAK - 2002/04/02 * Improved performance of single hyperslab I/O when datatype conversion is diff --git a/src/H5T.c b/src/H5T.c index 50d67e4..c74cb29 100644 --- a/src/H5T.c +++ b/src/H5T.c @@ -4075,6 +4075,65 @@ H5Tget_member_name(hid_t type_id, int membno) /*------------------------------------------------------------------------- + * Function: H5Tget_member_index + * + * Purpose: Returns the index of a member in a compound or enumeration + * data type by given name.Members are stored in no particular + * order with numbers 0 through N-1 where N is the value + * returned by H5Tget_nmembers(). + * + * Return: Success: index of the member if exists. + * Failure: -1. + * + * Programmer: Raymond Lu + * Thursday, April 4, 2002 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +int +H5Tget_member_index(hid_t type_id, const char *name) +{ + H5T_t *dt = NULL; + int ret_value = FAIL; + int nmembs, i; + + FUNC_ENTER(H5Tget_member_index, NULL); + H5TRACE2("Is","is",type_id,name); + + /* Check arguments */ + assert(name); + if(H5I_DATATYPE!=H5I_get_type(type_id) || NULL==(dt=H5I_object(type_id))) + HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type"); + + /* Locate member by name */ + switch (dt->type) { + case H5T_COMPOUND: + nmembs = dt->u.compnd.nmembs; + for(i=0; iu.compnd.memb[i].name, name)) + HGOTO_DONE(i); + } + break; + case H5T_ENUM: + nmembs = dt->u.enumer.nmembs; + for(i=0; iu.enumer.name[i], name)) + HGOTO_DONE(i); + } + break; + default: + HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, + "operation not supported for this type"); + } + +done: + FUNC_LEAVE(ret_value); +} + + +/*------------------------------------------------------------------------- * Function: H5Tget_member_offset * * Purpose: Returns the byte offset of the beginning of a member with diff --git a/src/H5Tpublic.h b/src/H5Tpublic.h index 06ef8bf..458340c 100644 --- a/src/H5Tpublic.h +++ b/src/H5Tpublic.h @@ -500,6 +500,7 @@ __DLL__ H5T_pad_t H5Tget_inpad(hid_t type_id); __DLL__ H5T_str_t H5Tget_strpad(hid_t type_id); __DLL__ int H5Tget_nmembers(hid_t type_id); __DLL__ char *H5Tget_member_name(hid_t type_id, int membno); +__DLL__ int H5Tget_member_index(hid_t type_id, const char *name); __DLL__ size_t H5Tget_member_offset(hid_t type_id, int membno); __DLL__ H5T_class_t H5Tget_member_class(hid_t type_id, int membno); __DLL__ hid_t H5Tget_member_type(hid_t type_id, int membno); diff --git a/test/dtypes.c b/test/dtypes.c index dd95439..083c581 100644 --- a/test/dtypes.c +++ b/test/dtypes.c @@ -43,6 +43,7 @@ const char *FILENAME[] = { "dtypes1", "dtypes2", + "dtypes3", NULL }; @@ -1084,6 +1085,218 @@ test_compound_7(void) /*------------------------------------------------------------------------- + * Function: test_query + * + * Purpose: Tests query functions of compound and enumeration types. + * + * Return: Success: 0 + * + * Failure: number of errors + * + * Programmer: Raymond Lu + * Thursday, April 4, 2002 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +static int +test_query(void) +{ + struct s1 { + int a; + float b; + long c; + double d; + }; + hid_t file=-1, tid1=-1, tid2=-1; + char filename[1024]; + char compnd_type[]="Compound_type", enum_type[]="Enum_type"; + int nmembs, index; + short enum_val; + + TESTING("query functions of compound and enumeration types"); + + /* Create File */ + h5_fixname(FILENAME[2], H5P_DEFAULT, filename, sizeof filename); + if((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT))<0) + goto error; + + /* Create a compound datatype */ + if((tid1=H5Tcreate(H5T_COMPOUND, sizeof(struct s1)))<0) { + H5_FAILED(); + printf("Can't create datatype!\n"); + goto error; + } /* end if */ + if(H5Tinsert(tid1, "a", HOFFSET(struct s1, a), H5T_NATIVE_INT)<0) { + H5_FAILED(); + printf("Can't insert field 'a'\n"); + goto error; + } /* end if */ + if(H5Tinsert(tid1, "b", HOFFSET(struct s1, b), H5T_NATIVE_FLOAT)<0) { + H5_FAILED(); + printf("Can't insert field 'b'\n"); + goto error; + } /* end if */ + if(H5Tinsert(tid1, "c", HOFFSET(struct s1, c), H5T_NATIVE_LONG)<0) { + H5_FAILED(); + printf("Can't insert field 'c'\n"); + goto error; + } /* end if */ + if(H5Tinsert(tid1, "d", HOFFSET(struct s1, d), H5T_NATIVE_DOUBLE)<0) { + H5_FAILED(); + printf("Can't insert field 'd'\n"); + goto error; + } /* end if */ + + /* Create a enumerate datatype */ + if((tid2=H5Tcreate(H5T_ENUM, sizeof(short)))<0) { + H5_FAILED(); + printf("Can't create enumerate type\n"); + goto error; + } /* end if */ + if(H5Tenum_insert(tid2, "RED", (enum_val=0,&enum_val))<0) { + H5_FAILED(); + printf("Can't insert field into enumeration type\n"); + goto error; + } /* end if */ + if(H5Tenum_insert(tid2, "GREEN", (enum_val=1,&enum_val))<0) { + H5_FAILED(); + printf("Can't insert field into enumeration type\n"); + goto error; + } /* end if */ + if(H5Tenum_insert(tid2, "BLUE", (enum_val=2,&enum_val))<0) { + H5_FAILED(); + printf("Can't insert field into enumeration type\n"); + goto error; + } /* end if */ + if(H5Tenum_insert(tid2, "ORANGE", (enum_val=3,&enum_val))<0) { + H5_FAILED(); + printf("Can't insert field into enumeration type\n"); + goto error; + } /* end if */ + if(H5Tenum_insert(tid2, "YELLOW", (enum_val=4,&enum_val))<0) { + H5_FAILED(); + printf("Can't insert field into enumeration type\n"); + goto error; + } /* end if */ + + /* Query member number and member index by name, for compound type. */ + if((nmembs=H5Tget_nmembers(tid1))!=4) { + H5_FAILED(); + printf("Can't get member number\n"); + goto error; + } /* end if */ + if((index=H5Tget_member_index(tid1, "c"))!=2) { + H5_FAILED(); + printf("Can't get correct index number\n"); + goto error; + } /* end if */ + + /* Query member number and member index by name, for enumeration type. */ + if((nmembs=H5Tget_nmembers(tid2))!=5) { + H5_FAILED(); + printf("Can't get member number\n"); + goto error; + } /* end if */ + if((index=H5Tget_member_index(tid2, "ORANGE"))!=3) { + H5_FAILED(); + printf("Can't get correct index number\n"); + goto error; + } /* end if */ + + /* Commit compound datatype and close it */ + if(H5Tcommit(file, compnd_type, tid1)<0) { + H5_FAILED(); + printf("Can't commit compound datatype\n"); + goto error; + } /* end if */ + if(H5Tclose(tid1)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } /* end if */ + + /* Commit enumeration datatype and close it */ + if(H5Tcommit(file, enum_type, tid2)<0) { + H5_FAILED(); + printf("Can't commit compound datatype\n"); + goto error; + } /* end if */ + if(H5Tclose(tid2)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } /* end if */ + + /* Open the dataytpe for query */ + if((tid1=H5Topen(file, compnd_type))<0) { + H5_FAILED(); + printf("Can't open datatype\n"); + goto error; + } /* end if */ + if((tid2=H5Topen(file, enum_type))<0) { + H5_FAILED(); + printf("Can't open datatype\n"); + goto error; + } /* end if */ + + /* Query member number and member index by name, for compound type */ + if((nmembs=H5Tget_nmembers(tid1))!=4) { + H5_FAILED(); + printf("Can't get member number\n"); + goto error; + } /* end if */ + if((index=H5Tget_member_index(tid1, "c"))!=2) { + H5_FAILED(); + printf("Can't get correct index number\n"); + goto error; + } /* end if */ + + /* Query member number and member index by name, for enumeration type */ + if((nmembs=H5Tget_nmembers(tid2))!=5) { + H5_FAILED(); + printf("Can't get member number\n"); + goto error; + } /* end if */ + if((index=H5Tget_member_index(tid2, "ORANGE"))!=3) { + H5_FAILED(); + printf("Can't get correct index number\n"); + goto error; + } /* end if */ + + /* Close data type and file */ + if(H5Tclose(tid1)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } /* end if */ + if(H5Tclose(tid2)<0) { + H5_FAILED(); + printf("Can't close datatype\n"); + goto error; + } /* end if */ + + if(H5Fclose(file)<0) { + H5_FAILED(); + printf("Can't close file\n"); + goto error; + } /* end if */ + + PASSED(); + return 0; + + error: + H5E_BEGIN_TRY { + H5Tclose (tid1); + H5Tclose (tid2); + H5Fclose (file); + } H5E_END_TRY; + return 1; +} + + +/*------------------------------------------------------------------------- * Function: test_transient * * Purpose: Tests transient data types. @@ -3892,6 +4105,7 @@ main(void) nerrors += test_classes(); nerrors += test_copy(); nerrors += test_compound_1(); + nerrors += test_query(); nerrors += test_transient (fapl); nerrors += test_named (fapl); h5_cleanup(FILENAME, fapl); /*must happen before first reset*/ -- cgit v0.12