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Improvements and bug fixing

This commit is contained in:
code liturgy 2022-11-11 17:09:13 -05:00
parent f05c9882ed
commit b80df54b9a
5 changed files with 148 additions and 89 deletions
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5
CMakeLists.txt
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@ -2,9 +2,7 @@ cmake_minimum_required(VERSION 3.21)
project(clAugeas VERSION 1.0.1 DESCRIPTION "clAugeas description")
set(CMAKE_CXX_STANDARD 14)
if(WIN32)
message("TODO: Windows instructions")
elseif(APPLE)
if(APPLE)
include_directories(/opt/homebrew/opt/augeas/include/)
#link_directories(/opt/homebrew/opt/augeas/lib) # TODO: Check if works with this commente.d
elseif(UNIX)
@ -25,6 +23,7 @@ find_library(
add_library(clAugeas SHARED
augSettings.cpp
augSettings.h
utils.h utils.cpp
main.cpp main.h)
target_link_libraries(clAugeas xml2)

178
main.cpp
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@ -1,97 +1,109 @@
#include "main.h"
#include <sys/stat.h>
#include <sstream>
#ifdef __linux__
#include <cstring>
#endif
template<class T, size_t N>
constexpr size_t size(T (&)[N]) { return N; }
extern "C" {
inline bool path_exists (const std::string& name) {
struct stat buffer;
return (stat (name.c_str(), &buffer) == 0);
}
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;
return nullptr;
}
CLAPI void*
init_aug(augSettings settings, int flags) {
CHECK_RET_NULLPTR(!path_exists(std::string(settings.root)), "Root path is invalid.");
return aug_init(settings.root, settings.loadPath, flags);
}
CLAPI void close_aug(void* aug) {
CLAPI void
close_aug(void *aug) {
CHECK_RET_VOID(!aug, "Failed to close augeas.");
aug_close((augeas *) aug);
}
bool load_file(void* aug, const char* filePath) {
int r = aug_load_file((augeas *) aug,filePath);
CLAPI bool
load_file(void *aug, const char *filePath) {
CHECK_RET_BOOL(!aug, INVALID_STATE);
int r = aug_load_file((augeas *) aug, filePath);
return r == 0;
}
CLAPI void print_preview(augeas* aug, const char* matchPath) {
if(aug == nullptr) {
std::cout << "error: augeas is not initialized." << std::endl;
return;
}
CLAPI void
print_preview(augeas *aug, const char *path) {
CHECK_RET_VOID(!aug, "Augeas is in invalid state");
int r;
char *s;
r = aug_preview(aug,matchPath,&s);
if(r != 0) {
std::cout << "Failure previewing." << std::endl;
return;
}
r = aug_preview(aug, path, &s);
CHECK_RET_VOID(r != 0, "Failed to preview.")
std::cout << s << std::endl;
free(s);
}
CLAPI int rm_node(augeas *aug, const char *path) {
CHECK_RET_INT(!aug, INVALID_STATE);
return aug_rm(aug, path);
}
// Print tree of the matchPath
CLAPI char*
get_preview(augeas *aug, const char *path) {
CHECK_RET_NULLPTR(!aug, INVALID_STATE);
int r;
char *s;
r = aug_preview(aug, path, &s);
if (r != 0) {
std::cout << "Failure previewing." << std::endl;
return nullptr;
}
// must be freed
return s;
}
// Print tree of the path
CLAPI void print_tree(
augeas *aug,
const char* matchPath
const char *path
) {
if(aug == nullptr) {
std::cout << "error: augeas is not initialized." << std::endl;
return;
}
CHECK_RET_VOID(!aug, INVALID_STATE);
int r;
FILE *out = tmpfile();
r = aug_print(aug, out,matchPath);
r = aug_print(aug, out, path);
if(r != 0) {
if (r != 0) {
std::cout << "error: aug_print failure." << std::endl;
return;
}
std::map <std::string, std::string> stdBindList;
std::map <std::string ,std::string>::iterator pos;
std::map<std::string, std::string> stdBindList;
std::map<std::string, std::string>::iterator pos;
char line[256];
rewind(out);
while (fgets(line, 256, out) != nullptr) {
// remove end of line
line[strlen(line) - 1] = '\0';
std::string str_matchPath = matchPath;
std::string str_path = path;
std::string s = line;
// skip comments
if (s.find("#comment") != std::string::npos)
continue;
s = s.substr(str_matchPath.length() - 1);
s = s.substr(str_path.length() - 1);
// split by '=' sign
size_t eqpos = s.find(" = ");
if (eqpos == std::string::npos)
@ -102,55 +114,50 @@ CLAPI void print_tree(
// remove '"' sign from around value
value.erase(value.begin());
value.erase(value.end() - 1);
stdBindList.insert(std::pair<std::string,std::string>(key,value)); // 2
stdBindList.insert(std::pair<std::string, std::string>(key, value)); // 2
}
fclose(out);
for (pos = stdBindList.begin();pos!=stdBindList.end();pos++)
{
for (pos = stdBindList.begin(); pos != stdBindList.end(); pos++) {
std::cout << "Key: " << pos->first << ";" << " Value: " << pos->second << std::endl;
}
}
CLAPI const char* get_tree(
CLAPI char *get_tree(
augeas *aug,
const char* matchPath
const char *path
) {
if(aug == nullptr) {
std::cout << "error: augeas is not initialized." << std::endl;
return "";
}
CHECK_RET_NULLPTR(!aug, INVALID_STATE);
int r;
FILE *out = tmpfile();
r = aug_print(aug, out,matchPath);
r = aug_print(aug, out, path);
if(r != 0) {
if (r != 0) {
std::cout << "error: aug_print failure." << std::endl;
return "";
return nullptr;
}
std::map <std::string ,std::string>::iterator pos;
std::map<std::string, std::string>::iterator pos;
std::stringstream ss;
char line[256];
rewind(out);
while (fgets(line, 256, out) != nullptr) {
// remove end of line
line[strlen(line) - 1] = '\0';
std::string str_matchPath = matchPath;
std::string str_path = path;
std::string s = line;
// skip comments
if (s.find("#comment") != std::string::npos)
continue;
s = s.substr(str_matchPath.length() - 1);
s = s.substr(str_path.length() - 1);
// split by '=' sign
size_t eqpos = s.find(" = ");
if (eqpos == std::string::npos)
@ -170,16 +177,34 @@ CLAPI const char* get_tree(
return strdup(ss.str().c_str());
}
CLAPI void free_str(char* str) {
if(str != nullptr) {
CLAPI void free_str(char *str) {
if (str != nullptr) {
free(str);
}
}
CLAPI const char* get_node(augeas* aug, char* path ) {
CLAPI bool save(augeas *aug) {
CHECK_RET_BOOL(!aug, INVALID_STATE);
return aug_save(aug) == 0;
}
CLAPI void get_arr( unsigned long &size, char** result)
{
}
CLAPI int match(augeas *aug, const char *match_path, char*** matches) {
CHECK_RET_INT(!aug, INVALID_STATE);
return aug_match(aug, match_path, matches);
}
CLAPI const char *get_node(augeas *aug, const char *path) {
const char *value;
CHECK_RET_NULLPTR(!aug, INVALID_STATE);
/*
* Return 1 if there is exactly one node matching PATH,
* 0 if there is none, and a negative value
@ -190,17 +215,18 @@ CLAPI const char* get_node(augeas* aug, char* path ) {
* 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 "";
}
aug_get(aug, path, &value);
return value;
}
} else {
return "";
}
CLAPI bool set_node(augeas *aug, const char *path, const char *value) {
CHECK_RET_BOOL(!aug, INVALID_STATE);
return aug_set(aug, path, value) == 0;
}
CLAPI bool insert_node(augeas *aug, const char *path, const char *label, int before) {
CHECK_RET_BOOL(!aug, INVALID_STATE);
return aug_insert(aug, path, label, before) == 0;
}
}

34
main.h
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@ -4,29 +4,43 @@
#include "map"
#include <sys/stat.h>
#include "augSettings.h"
#include "utils.h"
#if defined(_WIN32)
#define CLAPI __declspec(dllexport)
#define CLAPI __attribute__((unused)) __declspec(dllexport)
#else
#define CLAPI
#define CLAPI __attribute__((unused))
#endif
extern "C" {
CLAPI void *init_aug (augSettings settings, int flags);
// Object Life-cycle
CLAPI void *init_aug (augSettings settings, int flags);
CLAPI bool load_file (void *aug, const char *filePath);
CLAPI bool load_file (void *aug, const char *filePath);
CLAPI void print_preview (augeas *aug,const char *matchPath);
CLAPI void print_preview (augeas *aug, const char *path);
CLAPI void print_tree (augeas *aug,const char *matchPath);
CLAPI void close_aug (void *aug);
CLAPI const char *get_tree (augeas *aug,const char *matchPath);
CLAPI void free_str (char *str);
CLAPI const char *get_node (augeas *aug, char *path);
CLAPI void print_tree (augeas *aug, const char *path);
CLAPI void close_aug (void *aug);
CLAPI char *get_tree (augeas *aug, const char *path);
CLAPI void free_str (char *str);
CLAPI const char *get_node (augeas *aug, const char *path);
CLAPI bool set_node (augeas *aug, const char *path, const char *value);
CLAPI bool insert_node (augeas *aug, const char *path, const char *label, int before);
CLAPI char* get_preview (augeas *aug, const char *path);
CLAPI int rm_node (augeas *aug, const char *path);
CLAPI bool save (augeas *aug);
CLAPI int match(augeas *aug, const char *match_path, char*** matches);
// internal static extern int match(IntPtr augeas, [MarshalAs(UnmanagedType.LPStr)] string matchPath, uint* size, char*** stringArray);
}

7
utils.cpp Normal file
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@ -0,0 +1,7 @@
#include <sys/stat.h>
#include "utils.h"
bool path_exists(const std::string &name) {
struct stat buffer;
return (stat(name.c_str(), &buffer) == 0);
}

13
utils.h Normal file
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@ -0,0 +1,13 @@
#include "string"
#include <iostream>
// Some guards
#define CHECK_RET_VOID(bx, msg) if(bx) {std::cout << msg << std::endl; return;}
#define CHECK_RET_NULLPTR(bx, msg) if(bx) {std::cout << msg << std::endl; return nullptr;}
#define CHECK_RET_BOOL(bx, msg) if(bx) {std::cout << msg << std::endl; return false;}
#define CHECK_RET_INT(bx, msg) if(bx) {std::cout << msg << std::endl; return -1;}
#define INVALID_STATE "Augeas is in invalid state."
bool path_exists(const std::string &name);