feat(01): Solved part 2

01/puzzle.input

@@ -998,3 +998,4 @@ lpncsfkn7fsgvkl
 2four3threesxxvlfqfive4
 nine6eightsevenzx9twoxc
 hmbfjdfnp989mfivefiverpzrjs
+

01/src/main.c

@@ -6,35 +6,74 @@
  * @author jiriks74
  */
 #define _GNU_SOURCE
-// #define _LINE_LEN (size_t *)100
-#define _LINE_LEN 100
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+/**
+ * @brief
+ * param
+ * return
+ */
+int getNum(const char *line) {
+  char *str = (char *)line;
+  // Mapping of words to numeric representations
+  const char *numbers[] = {"zero", "one", "two",   "three", "four",
+                           "five", "six", "seven", "eight", "nine"};
+  const char *digits[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9"};
+
+  // Find first written number
+  char *smallestPos = strchr(str, *"\0");
+  int numAtSmallPos = -1;
+  for (int i = 0; i < sizeof(numbers) / sizeof(numbers[0]); i++) {
+    char *pos = NULL;
+
+    char *written = strstr(str, numbers[i]);
+    char *digit = strstr(str, digits[i]);
+
+    if (written == NULL && digit == NULL)
+      continue;
+    if (written == NULL)
+      pos = digit;
+    else if (digit == NULL)
+      pos = written;
+    else
+      pos = digit < written ? digit : written;
+
+    if (pos < smallestPos) {
+      numAtSmallPos = i;
+      smallestPos = pos;
+    }
+  }
+
+  // Chen which was first and return it
+  return numAtSmallPos;
+}
+
 /**
  * @brief Gets a calibration value from a line
  * @param char* line containing the calibration value
  * @return int the calibration value
  */
-int getVal(char *str) {
-  int num = 0;
-  int lastNum = -1;
+int getVal(const char *str) {
+  int result = 0;
+  int result2 = -1;
   for (int i = 0; i < strlen(str); i++) {
-    if (str[i] >= *"0" && str[i] <= *"9") {
-      if (num == 0) {
-        num = (str[i] - 48) * 10;
+    int num = getNum(&str[i]);
+    if (num >= 0) {
+      if (result == 0) {
+        result = num * 10;
       } else {
-        lastNum = str[i] - 48;
+        result2 = num;
       }
     }
   }
-  if (lastNum == -1) {
-    num += num / 10;
+  if (result2 == -1) {
+    result += result / 10;
   } else {
-    num += lastNum;
+    result += result2;
   }
-  return num;
+  return result;
 }
 
 /**
@@ -52,9 +91,10 @@ int main(int argc, char *argv[])
   if (argc == 1) {
     file = stdin;
   } else {
-    file = fopen(argv[1], "r");
+    file = fopen(argv[1], "r"); // LCOV_EXCL_LINE
   }
 
+  // LCOV_EXCL_START
   if (file == NULL) {
     if (argc > 1)
       fprintf(stderr, "Could not open file '%s'\n", argv[1]);
@@ -62,6 +102,7 @@ int main(int argc, char *argv[])
       fprintf(stderr, "Couldn't open file\n");
     exit(EXIT_FAILURE);
   }
+  // LCOV_EXCL_STOP
 
   char *line;
   size_t len = 0;

01/tests/src/test.cpp

@@ -42,9 +42,40 @@ TEST_F(Trebuchet, AssignmentInput) {
   EXPECT_EQ("The sum of the calibration values is 142\n", output);
 }
 
+TEST_F(Trebuchet, AssignmentInput2){
+  testing::internal::CaptureStdout();
+  stream_add(input, "two1nine\neightwothree\nabcone2threexyz\nxtwone3four\n4nineeightseven2\nzoneight234\n7pqrstsixteen");
+  char *argv[2];
+  mainTest(input, 1, argv);
+  std::string output = testing::internal::GetCapturedStdout();
+  // Check the output of the program.
+  EXPECT_EQ("The sum of the calibration values is 281\n", output);
+}
+
 TEST_F(Trebuchet, getVal) {
   EXPECT_EQ(12, getVal((char *)"1abc2"));
   EXPECT_EQ(38, getVal((char *)"pqr3stu8vwx"));
   EXPECT_EQ(15, getVal((char *)"a1b2c3d4e5f"));
   EXPECT_EQ(77, getVal((char *)"treb7uchet"));
+  EXPECT_EQ(11, getVal((char *)"1"));
+}
+
+TEST_F(Trebuchet, getNum) {
+  EXPECT_EQ(0, getNum((char *)"zero"));
+  EXPECT_EQ(1, getNum((char *)"one"));
+  EXPECT_EQ(2, getNum((char *)"two"));
+  EXPECT_EQ(3, getNum((char *)"three"));
+  EXPECT_EQ(4, getNum((char *)"four"));
+  EXPECT_EQ(5, getNum((char *)"five"));
+  EXPECT_EQ(6, getNum((char *)"six"));
+  EXPECT_EQ(7, getNum((char *)"seven"));
+  EXPECT_EQ(8, getNum((char *)"eight"));
+  EXPECT_EQ(9, getNum((char *)"nine"));
+
+  EXPECT_EQ(1, getNum((char *)"1"));
+  EXPECT_EQ(1, getNum((char *)"one"));
+  EXPECT_EQ(1, getNum((char *)"1two"));
+  EXPECT_EQ(2, getNum((char *)"two1"));
+
+  EXPECT_EQ(1, getNum((char *)"1threeone"));
 }