From d2cdf814180531289cea364c56bc2d8c6190758f Mon Sep 17 00:00:00 2001
From: Wvader <34067397+wvader@users.noreply.github.com>
Date: Fri, 4 Nov 2022 21:38:12 +0000
Subject: [PATCH] prefer snake case

---
 main.cpp | 65 +++++++++++++++++++++++++++++++++-----------------------
 main.h   | 22 ++++++++++++-------
 2 files changed, 53 insertions(+), 34 deletions(-)

diff --git a/main.cpp b/main.cpp
index f86dc72..4b9f806 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,7 +8,7 @@ inline bool path_exists (const std::string& name) {
     return (stat (name.c_str(), &buffer) == 0);
 }
 
-CLAPI void* initAug(augSettings settings, int flags) {
+CLAPI void* init_aug(augSettings settings, int flags) {
 
     if(!path_exists(std::string(settings.root))) {
         std::cout << "error: root path is invalid." << settings.root << std::endl;
@@ -18,31 +18,25 @@ CLAPI void* initAug(augSettings settings, int flags) {
     return aug_init(settings.root, settings.loadPath, flags);
 }
 
-CLAPI void closeAug(void* aug) {
-    aug_close((augeas*)aug);
+CLAPI void close_aug(void* aug) {
+    aug_close((augeas *) aug);
 }
 
-// Wrapper of aug_preview
-CLAPI void printPreview(augeas* aug, const char* matchPath, const char* filePath) {
+bool load_file(void* aug, const char* filePath) {
+    int r = aug_load_file((augeas *) aug,filePath);
+    return r == 0;
+}
+
+
+CLAPI void print_preview(augeas* aug, const char* matchPath, const char* filePath) {
 
     if(aug == nullptr) {
         std::cout << "error: augeas is not initialized." << std::endl;
         return;
     }
-    
+
     int r;
     char *s;
-    char *etc_hosts_fn = nullptr;
-    FILE *hosts_fp = nullptr;
-    char *hosts_txt = nullptr;
-
-    
-    r = aug_load_file(aug,filePath);
-
-    if(r != 0) {
-        std::cout << "Error loading file." << std::endl;
-        return;
-    }
 
     r = aug_preview(aug,matchPath,&s);
 
@@ -53,13 +47,12 @@ CLAPI void printPreview(augeas* aug, const char* matchPath, const char* filePath
 
     std::cout << s << std::endl;
 
-    free(hosts_txt);
     free(s);
 }
 
 
 // Print tree of the matchPath
-CLAPI void printAugTree(
+CLAPI void print_tree(
         augeas *aug,
         const char* matchPath,
         const char* filePath
@@ -74,13 +67,6 @@ CLAPI void printAugTree(
     
     FILE *out = tmpfile();
 
-    r = aug_load_file(aug, filePath);
- 
-    if(r != 0) {
-        std::cout << "error: can't load file." << std::endl;
-        return;
-    }
-
     r = aug_print(aug, out,matchPath);
 
     if(r != 0) {
@@ -125,4 +111,31 @@ CLAPI void printAugTree(
 
 }
 
+CLAPI const char* get_node(augeas* aug, char* path ) {
+
+    const char *value;
+
+    /*
+     * Return 1 if there is exactly one node matching PATH,
+     * 0 if there is none, and a negative value
+     * if there is more than one node matching PATH,
+     * or if PATH is not a legal path expression.
+     *
+     * The string *value must not be freed by the caller,
+     * and is valid as long as its node remains unchanged.
+     */
+
+    int rc = aug_get(aug, path, &value);
+    if (1 == rc) {
+        if (nullptr != value) {
+            return value;
+        } else {
+            return "NIL";
+        }
+
+    } else {
+        return "NIL";
+    }
+}
+
 }
diff --git a/main.h b/main.h
index fca0c16..486303b 100644
--- a/main.h
+++ b/main.h
@@ -13,15 +13,21 @@
 
 extern "C" {
 
-CLAPI void* initAug             (augSettings settings, int flags);
+CLAPI void* init_aug             (augSettings settings, int flags);
 
-CLAPI void  printPreview         (augeas* aug,
-                                 const char* matchPath,
-                                 const char* filePath);
+CLAPI void  print_preview         (augeas* aug,
+                                   const char* matchPath,
+                                   const char* filePath);
+
+CLAPI void  print_tree         (augeas* aug,
+                                const char* matchPath,
+                                const char* filePath);
+
+CLAPI const char* get_node      (augeas* aug, char* path );
+
+
+
+CLAPI void close_aug              (void* aug);
 
-CLAPI void  printAugTree         (augeas* aug,
-                                 const char* matchPath,
-                                 const char* filePath);
 
-CLAPI void closeAug              (void* aug);
 }