code: обработка ошибок

main.cpp

@@ -1,8 +1,11 @@
+
 #include <iostream>
 #include <cmath>
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
+#include <curl/curl.h>
 using namespace std;
 const size_t SCREEN_WIDTH = 80;
 const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
@@ -13,31 +16,54 @@ struct Input {
 };
 
 Input
-input_data() {
+input_data(istream& in, bool prompt) {
     size_t number_count;
-    cin >> number_count;
+    if (prompt == true){
-    Input in;
+        cerr << "input number count";
-    in.numbers.resize(number_count);
+        in >> number_count;
-    for (size_t i = 0; i < number_count; i++) {
+        Input inn;
-        cin >> in.numbers[i];
+        inn.numbers.resize(number_count);
+        for (size_t i = 0; i < number_count; i++) {
+            in >> inn.numbers[i];
+        }
+        size_t bin_count;
+        in >> inn.bin_count;
+        return inn;
+    }
+    else{
+        cout << "input number count";
+        in >> number_count;
+        Input inn;
+        inn.numbers.resize(number_count);
+        for (size_t i = 0; i < number_count; i++) {
+            in >> inn.numbers[i];
+        }
+        size_t bin_count;
+        in >> inn.bin_count;
+        return inn;
     }
-    size_t bin_count;
-    cin >> in.bin_count;
-    return in;
 }
 
+int main(int argc, char* argv[]) {
+    if (argc>1){
+        CURL *curl = curl_easy_init();
+        if(curl) {
+            CURLcode res;
+            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
+            res = curl_easy_perform(curl);
+            if (res!=CURLE_OK){
+                cerr << curl_easy_strerror(res);
+                exit(1);
+            }
+            curl_easy_cleanup(curl);
+            return 0;
+        }
+    }
+        auto in = input_data(cin, true);
+        auto bins = make_histogram(in.numbers, in.bin_count);
+        show_histogram_svg(bins);
+        return 0;
 
-
-
-
-
-
-int main()
-{
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins);
-    return 0;
 }
 
 

project.cbp

@@ -31,8 +31,25 @@
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
 		</Compiler>
+		<Linker>
+			<Add library="libcurl.dll.a" />
+			<Add directory="curl/lib" />
+		</Linker>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
 		<Unit filename="main.cpp" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>

svg.cpp

@@ -22,14 +22,14 @@ svg_end() {
 }
 
 void
-svg_text(double TEXT_LEFT, double BASELINE, string text) {
+svg_text(double TEXT_LEFT, double BASELINE, string text, size_t bukva_scale) {
-        cout << "<text x='" << TEXT_LEFT << "' y='"<< BASELINE <<"'> " << text << "</text>";
+        cout << "<text x='" << TEXT_LEFT << "' font-size = '" << bukva_scale << "' y='"<< BASELINE <<"'> " << text << "</text>";
 
 }
 
 
-void svg_rect(double TEXT_WIDTH, double top, double bin_width, double BIN_HEIGHT){
+void svg_rect(double TEXT_WIDTH, double top, double bin_width, double BIN_HEIGHT, string grad){
-    cout << "<rect x='"<<TEXT_WIDTH<<"' y='"<<top<<"' width='"<<bin_width<<"' height='"<<BIN_HEIGHT<<"' stroke ='cyan' fill='#fce166' />\n";
+    cout << "<rect x='"<<TEXT_WIDTH<<"' y='"<<top<<"' width='"<<bin_width<<"' height='"<<BIN_HEIGHT<<"' stroke ='cyan' fill='#"<<grad<<grad<<grad<<"' />\n";
 }
 
 void
@@ -43,8 +43,11 @@ show_histogram_svg(const vector<size_t>& bins) {
     const auto BLOCK_WIDTH = 10;
 
     const double SCALE = IMAGE_WIDTH - TEXT_WIDTH;
+    size_t grad = 0;
 
     double max_count = 0;
+    size_t bukva_scale = 12;
+    cin >> bukva_scale;
     for (double x: bins) {
         if (x > max_count) {
                 max_count = x;
@@ -56,8 +59,9 @@ show_histogram_svg(const vector<size_t>& bins) {
        double top = 0;
     for (size_t i = 0; i < bins.size(); i++) {
         const double bin_width = SCALE * ( bins[i] / max_count);
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bins[i]));
+        grad = (11 - (bins[i] * 9) / max_count);
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bins[i]), bukva_scale);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, to_string(grad));
         top += BIN_HEIGHT;
         cout << endl;
         cout << bin_width;

unittest.cbp

@@ -31,6 +31,12 @@
 		<Compiler>
 			<Add option="-Wall" />
 		</Compiler>
+		<Unit filename="doctest.h" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram_internal.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="unittest.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>

unittest.cpp

@@ -6,17 +6,19 @@
 TEST_CASE("distinct positive numbers") {
     double min = 0;
     double max = 0;
-    std::vector<double>test = {0};
-    bool flag;
-
     find_minmax({1, 2}, min, max);
     CHECK(min == 1);
     CHECK(max == 2);
-
+}
+TEST_CASE("distinct negative numbers") {
+    double min = 0;
+    double max = 0;
     find_minmax({-1, -2, -3, -4, -5}, min, max);
     CHECK(min == -5);
     CHECK(max == -1);
-
+}
+TEST_CASE("distinct null vector") {
+    double min = 0;
+    double max = 0;
     CHECK(!find_minmax({}, min, max));
-    CHECK(true);
+}
-    }