Added line wrapping

1 files changed, 73 insertions, 9 deletions

diff --git a/bible.cc b/bible.cc
index 2a282c7..d82d15f 100644
--- a/bible.cc
+++ b/bible.cc
@@ -1,7 +1,11 @@
 #include "libbible.h"
 #include <string>
+#include <sstream>
 #include <algorithm>
 #include <getopt.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <iostream>
 
 using namespace std;
 
@@ -101,6 +105,37 @@ void removeMod(string mod) {
     libbible::uninstallMod(mod);
 }
 
+// Stolen from O'Reilly
+void textWrap(istream& in, ostream& out, size_t width) {
+    string tmp;
+    char cur = '\0';
+    char last = '\0';
+    size_t i = 0;
+
+    while(in.get(cur)) {
+        if((unsigned char) cur < 0x80 || (unsigned char) cur >= 0xC0) {
+            i++;
+        }
+        if(isspace(cur) && !isspace(last)) {
+            out << tmp;
+            tmp.clear();
+        } else if(i >= width) {
+            tmp.erase(0, tmp.find_first_not_of(" "));
+            out << '\n';
+            i = tmp.length();
+        }
+        if(cur == '\n') {
+            i = 0;
+        }
+        if(cur == '\033') {
+            i -= 6;
+        }
+        tmp += cur;
+        last = cur;
+    }
+    out << tmp;
+}
+
 int main(int argc, char* argv[]) {
     static struct option long_options[] = {
         {"help", no_argument, 0, 'h'},
@@ -186,9 +221,11 @@ int main(int argc, char* argv[]) {
     int verse = 0;
     const char* indent = "    ";
     bool isNewline = true;
+    stringstream out;
     for(auto tex : text) {
         if(!omitVerseNums && tex.chapter != chapter) {
-            printf("\n%s Chapter %d:\n", tex.book.c_str(), tex.chapter);
+            //printf("\n%s Chapter %d:\n", tex.book.c_str(), tex.chapter);
+            out << "\n" << tex.book << " Chapter " << tex.chapter << ":\n";
         }
         bool isParagraph = false;
         bool isIndent = false;
@@ -208,35 +245,62 @@ int main(int argc, char* argv[]) {
         if(isIndent) {
             isParagraph = false;
             if(isNewline) {
-                printf(indent);
+                //printf(indent);
+                out << indent;
             }
         }
         if(isParagraph) {
-            printf(indent);
+            //printf(indent);
+            out << indent;
         }
         if(isDivineName) {
             transform(tex.text.begin(), tex.text.end(), tex.text.begin(), ::toupper);
         }
         if(isJesus) {
-            printf("\033[;31m");
+            //printf("\033[;31m");
+            out << "\033[;31m";
         }
         if(omitVerseNums && tex.verse != verse) {
-            printf(" ");
+            //printf(" ");
+            out << " ";
         } else if(!omitVerseNums && tex.verse != verse) {
-            printf(" (%d) ", tex.verse);
+            //printf(" (%d) ", tex.verse);
+            out << " (" << tex.verse << ") ";
         }
         chapter = tex.chapter;
         verse = tex.verse;
-        printf(tex.text.c_str());
+        //printf(tex.text.c_str());
+        out << tex.text;
         if(tex.text.back() == '\n') {
             isNewline = true;
         } else {
             isNewline = false;
         }
         if(isJesus) {
-            printf("\033[0m");
+            //printf("\033[0m");
+            out << "\033[0m";
         }
     }
-    printf("\n");
+    //printf("\n");
+    out << "\n";
+
+    // Get window size
+    struct winsize size;
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &size);
+    // size.ws_col is number of columns, or 0 if it's a pipe
+    int cols = size.ws_col;
+    // If terminal is too small, treat it like a pipe
+    if(cols < 10) {
+        cols = 0;
+    }
+
+    // Now print
+    if(cols == 0) {
+        cout << out.str();
+    } else {
+        stringstream out2;
+        textWrap(out, out2, cols);
+        cout << out2.str();
+    }
     return 0;
 }