filetypeXml.cpp

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/*
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 */
 
#include <cfloat>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <pugixml.hpp>
#include <vector>
#include <boost/foreach.hpp>
 
#include <dfutils.h>
#include <genutils.h>
#include <sensorDefs.h>
#include <timeutils.h>
 
#include <boost/algorithm/string.hpp>
 
#include "filetype.h"
 
 
extern "C" file_format chk_safe_xml(char *filename) {
    file_format ret = {FT_INVALID, -1, -1};
    pugi::xml_document rootNode;
    pugi::xml_node dataNode;
 
    const char *productName;
    const char *platformName;
 
    if (!rootNode.load_file(filename)) {
        return ret;
    }
 
    productName = rootNode.first_element_by_path("xfdu:XFDU/informationPackageMap/xfdu:contentUnit").attribute("textInfo").value();
    if (strstr(productName, "OLCI") != NULL && strstr(productName, "SENTINEL-3") != NULL && strstr(productName, "Level 1") != NULL) {
        dataNode = rootNode.first_element_by_path("xfdu:XFDU/metadataSection").find_child_by_attribute("metadataObject", "ID", "platform");
        platformName = dataNode.first_element_by_path("metadataWrap/xmlData/sentinel-safe:platform/sentinel-safe:number").child_value();
        if(strcmp("A", platformName) == 0) {
            if (want_verbose != 0){
                printf("Found OLCI Sentinel-3A product: %s\n", productName);
            }
            ret.type = FT_OLCI;
            ret.sensor_id = OLCIS3A;
            ret.subsensor_id = OLCI_S3A;
        } else if(strcmp("B", platformName) == 0) {
            if (want_verbose != 0){
                printf("Found OLCI Sentinel-3B product: %s\n", productName);
            }
            ret.type = FT_OLCI;
            ret.sensor_id = OLCIS3B;
            ret.subsensor_id = OLCI_S3B;
        } else {
            printf("Unknown platform: %s  for product: %s\n", platformName, productName);
            exit(EXIT_FAILURE);
        }
    } else if (strstr(productName, "MSI") != NULL && strstr(productName, "SENTINEL-2") != NULL && strstr(productName, "Level-1C") != NULL) {
        dataNode = rootNode.first_element_by_path("xfdu:XFDU/metadataSection").find_child_by_attribute("metadataObject", "ID", "platform");
        platformName = dataNode.first_element_by_path("metadataWrap/xmlData/safe:platform/safe:number").child_value();
        if(!strcmp(platformName, "2A")) {
            if (want_verbose != 0){
                printf("Found MSI Sentinel-2A product: %s\n", productName);
            }
            ret.type = FT_MSIL1C;
            ret.sensor_id = MSIS2A;
            ret.subsensor_id = MSI_S2A;
        } else if(!strcmp(platformName, "2B")) {
            if (want_verbose != 0){
                printf("Found MSI Sentinel-2B product: %s\n", productName);
            }
            ret.type = FT_MSIL1C;
            ret.sensor_id = MSIS2B;
            ret.subsensor_id = MSI_S2B;
        } else {
            printf("Unknown platform: %s  for product: %s\n", platformName, productName);
            exit(EXIT_FAILURE);
        }
    } else if (strstr(productName, "MERIS") != NULL && strstr(productName, "ENVISAT") != NULL && strstr(productName, "Level 1") != NULL) {
        if (want_verbose != 0){
            printf("Found MERIS L1B SAFE product: %s\n", productName);
        }
        ret.type = FT_MERISL1BSAFE;
        ret.sensor_id = MERIS;
        ret.subsensor_id = -1;
    }
    return ret;
}