From 4de8e742cd8f4794687243cae9d928d7a5c427d0 Mon Sep 17 00:00:00 2001
From: axell-brendow <breno.axel@gmail.com>
Date: Sun, 7 Mar 2021 14:49:25 -0300
Subject: [PATCH] =?UTF-8?q?Cria=20m=C3=A9todos=20para=20ler=20uma=20=C3=BA?=
 =?UTF-8?q?nica=20c=C3=A9lula=20de=20um=20CSV?=
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---
 tps/fonte/musica.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/tps/fonte/musica.cpp b/tps/fonte/musica.cpp
index 336e34a..3af88dd 100644
--- a/tps/fonte/musica.cpp
+++ b/tps/fonte/musica.cpp
@@ -36,5 +36,33 @@ char *remove_line_break(char line[]) {
     return line;
 }
 
+char *read_quotted_csv_field(char *field_ptr, char *output) {
+    field_ptr++;
+    while (*field_ptr != '\0') {
+        if (*field_ptr == '"') {
+            if (*(field_ptr + 1) == '"') {
+                *output++ = '"';
+                field_ptr += 2;
+            } else {
+                field_ptr++;
+                break;
+            }
+        } else {
+            *output++ = *field_ptr++;
+        }
+    }
+    *output = '\0';
+    return field_ptr;
+}
+
+char *read_csv_field(char *field_ptr, char *output) {
+    if (*field_ptr == '"') return read_quotted_csv_field(field_ptr, output);
+
+    while (*field_ptr != '\0' && *field_ptr != ',') *output++ = *field_ptr++;
+
+    *output = '\0';
+    return field_ptr;
+}
+
 }