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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,258 @@ | ||
| /** @file | ||
| * | ||
| * @brief This file reads the GRIB2 CSV files. | ||
| * @author Ed Hartnett @date 8/25/22 | ||
| */ | ||
|
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||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include <grib2_int.h> | ||
|
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||
| /** Contains the parsed CSV document. */ | ||
| FILE* doc; | ||
|
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||
| /** Pointer to the list of code tables. */ | ||
| G2C_CODE_TABLE_T *g2c_table = NULL; | ||
|
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| /** Print the table data. | ||
| * | ||
| * @author Ed Hartnett @date 8/28/22 | ||
| */ | ||
| void | ||
| g2c_print_tables() | ||
| { | ||
| G2C_CODE_TABLE_T *t; | ||
|
|
||
| for (t = g2c_table; t; t = t->next) | ||
| { | ||
| G2C_CODE_ENTRY_T *e; | ||
|
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| printf("%s\n", t->title); | ||
| for (e = t->entry; e; e = e->next) | ||
| printf("code %s desc %s status %s\n", e->code, e->desc, e->status); | ||
|
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||
| } | ||
| } | ||
|
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| /** Free table memory. | ||
| * | ||
| * @author Ed Hartnett @date 8/28/22 | ||
| */ | ||
| void | ||
| g2c_free_tables() | ||
| { | ||
| G2C_CODE_TABLE_T *t, *the_next = NULL; | ||
|
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||
| /* If g2c_table is NULL, then tables have already been | ||
| * freed. */ | ||
| if (!g2c_table) | ||
| return; | ||
|
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||
| /* Free each table. */ | ||
| for (t = g2c_table; t; t = the_next) | ||
| { | ||
| G2C_CODE_ENTRY_T *e; | ||
| G2C_CODE_ENTRY_T *e_next; | ||
|
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||
| /* Free each entry in the table. */ | ||
| the_next = t->next; | ||
| for (e = t->entry; e; e = e_next) | ||
| { | ||
| e_next = e->next; | ||
| free(e); | ||
| } | ||
|
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||
| free(t); | ||
| } | ||
|
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||
| /* Set to NULL so we all know g2c_table has been freed. */ | ||
| g2c_table = NULL; | ||
| } | ||
|
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||
| /** Given a table title and a code, find a description. | ||
| * | ||
| * @param title Title of table. | ||
| * @param code Code to search for. | ||
| * @param desc Pointer that gets a copy of the description. Must be | ||
| * allocated to ::G2C_MAX_GRIB_DESC_LEN + 1. | ||
| * | ||
| * @author Ed Hartnett @date 8/28/22 | ||
| * | ||
| * @return 0 for success, error code otherwise. | ||
| */ | ||
| int | ||
| g2c_find_desc_str(char *title, char *code, char *desc) | ||
| { | ||
| G2C_CODE_TABLE_T *t = NULL; | ||
| int found = 0; | ||
|
|
||
| /* Check inputs. */ | ||
| if (!title || strlen(title) > G2C_MAX_GRIB_TITLE_LEN | ||
| || !code || strlen(code) > G2C_MAX_GRIB_CODE_LEN || !desc) | ||
| return G2C_EINVAL; | ||
|
|
||
| /* Find table. */ | ||
| for (t = g2c_table; !found && t; t = t->next) | ||
| { | ||
| if (!strncmp(title, t->title, strlen(title))) | ||
| { | ||
| G2C_CODE_ENTRY_T *e = NULL; | ||
|
|
||
| /* Find entry. */ | ||
| for (e = t->entry; e; e = e->next) | ||
| { | ||
| if (!strncmp(code, e->code, strlen(code))) | ||
| { | ||
| strcpy(desc, e->desc); | ||
| found++; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (!found) | ||
| return G2C_ENOTFOUND; | ||
|
|
||
| return G2C_NOERROR; | ||
| } | ||
|
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||
| /** Given a table title and an integer code, find a description. | ||
| * | ||
| * @param title Title of table. | ||
| * @param code Code to search for as an int. | ||
| * @param desc Pointer that gets a copy of the description. Must be | ||
| * allocated to ::G2C_MAX_GRIB_DESC_LEN + 1. | ||
| * | ||
| * @author Ed Hartnett @date 8/28/22 | ||
| * | ||
| * @return 0 for success, error code otherwise. | ||
| */ | ||
| int | ||
| g2c_find_desc(char *title, int code, char *desc) | ||
| { | ||
| char str_code[G2C_MAX_GRIB_CODE_LEN + 1]; | ||
|
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||
| sprintf(str_code, "%d", code); | ||
| return g2c_find_desc_str(title, str_code, desc); | ||
| } | ||
|
|
||
| /** Find a table given a key. | ||
| * | ||
| * @param key The table title to find. | ||
| * | ||
| * @author Ed Hartnett @date 8/28/22 | ||
| * | ||
| * @return a pointer to the matching code table, or NULL if not found. | ||
| */ | ||
| G2C_CODE_TABLE_T * | ||
| g2c_find_table(char *key) | ||
| { | ||
| G2C_CODE_TABLE_T *g; | ||
|
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||
| for (g = g2c_table; g; g = g->next) | ||
| if (!strncmp(key, g->title, G2C_MAX_GRIB_TITLE_LEN)) | ||
| return g; | ||
|
|
||
| return NULL; | ||
| } | ||
|
|
||
| /** Find an entry in a table given a description. | ||
| * | ||
| * @param desc The description of the entry to find. | ||
| * @param table A pointer to the table to search. | ||
| * | ||
| * @author Ed Hartnett @date 8/29/22 | ||
| * | ||
| * @return a pointer to the matching entry, or NULL if not found. | ||
| */ | ||
| G2C_CODE_ENTRY_T * | ||
| g2c_find_entry(char *desc, G2C_CODE_TABLE_T *table) | ||
| { | ||
| G2C_CODE_ENTRY_T *e; | ||
|
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| for (e = table->entry; e; e = e->next) | ||
| if (!strncmp(desc, e->desc, G2C_MAX_GRIB_DESC_LEN)) | ||
| return e; | ||
|
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| return NULL; | ||
| } | ||
|
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||
| /** | ||
| * Init. | ||
| * | ||
| * @return | ||
| * - ::G2C_NOERROR No error. | ||
| * | ||
| * @author Alyson Stahl @date 8/2/24 | ||
| */ | ||
| int | ||
| g2c_csv_init() | ||
| { | ||
| size_t max_line_size = 500; | ||
| const int num_columns = 9; | ||
| int i,j; | ||
| char *buf, *tmp, *key; | ||
| char line[max_line_size]; | ||
| G2C_CODE_TABLE_T *my_table = NULL; | ||
| G2C_CODE_ENTRY_T *new_entry = NULL; | ||
|
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| /* If g2c_table is not NULL, then tables have already been | ||
| * initialized. */ | ||
| if (g2c_table) | ||
| return G2C_NOERROR; | ||
|
|
||
| /* Ingest the CSV document. */ | ||
| if (!(doc = fopen("CodeFlag.txt", "r"))) | ||
| return G2C_ECSV; | ||
|
|
||
| /* Skip header line */ | ||
| fgets(line,max_line_size,doc); | ||
| j = 1; | ||
| while((fgets(line,max_line_size,doc)) != NULL && j < 2) | ||
| { | ||
| buf = strdup(line); | ||
| i = 0; | ||
| while(buf != NULL && i < num_columns) | ||
| { | ||
| G2C_CODE_TABLE_T *new_table = NULL; | ||
|
|
||
| if (*buf == '\"') | ||
| { | ||
| tmp = strsep(&buf,"\""); | ||
| tmp = strsep(&buf,"\""); | ||
| key = strdup((const char*)tmp); | ||
| tmp = strsep(&buf,","); | ||
| } | ||
| else | ||
| { | ||
| tmp = strsep(&buf,","); | ||
| key = strdup((const char*)tmp); | ||
| } | ||
|
|
||
| if (i==0) | ||
| { | ||
| if (strlen(key) > G2C_MAX_GRIB_TITLE_LEN) | ||
| return G2C_ENAMETOOLONG; | ||
| if (!(my_table = g2c_find_table(key))) | ||
| { | ||
| if (!(new_table = calloc(1,sizeof(G2C_CODE_TABLE_T)))) | ||
| return G2C_ENOMEM; | ||
| strncpy(new_table->title, key,G2C_MAX_GRIB_TITLE_LEN); | ||
| my_table = new_table; | ||
| } | ||
| } | ||
|
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| free(key); | ||
| i++; | ||
| } | ||
|
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| j++; | ||
| } | ||
|
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| fclose(doc); | ||
|
|
||
| return G2C_NOERROR; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| /* This is a test for the NCEPLIBS-g2c project. This test is for | ||
| * g2ccsv.c. | ||
| * | ||
| * Ed Hartnett, Alyson Stahl 8/5/24 | ||
| */ | ||
|
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||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include "grib2_int.h" | ||
|
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| int | ||
| main() | ||
| { | ||
| int ret; | ||
| char desc[G2C_MAX_GRIB_DESC_LEN + 1]; | ||
|
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| printf("Testing CSV ingestion...\n"); | ||
| if (g2c_csv_init()) | ||
| return G2C_ERROR; | ||
|
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| printf("SUCCESS!!!\n"); | ||
| return G2C_NOERROR; | ||
| } | ||
|
|