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/**
* @file manifest.c
*/
#include "spm.h"
#include <fnmatch.h>
#define PACKAGE_MIN_DELIM 2
/**
* Generate a `Manifest` of package data
* @param package_dir a directory containing SPM packages
* @return `Manifest`
*/
Manifest *manifest_from(const char *package_dir) {
FSTree *fsdata = NULL;
fsdata = fstree(package_dir);
Manifest *info = (Manifest *)calloc(1, sizeof(Manifest));
info->records = fsdata->files_length;
info->packages = (ManifestPackage **) calloc(info->records + 1, sizeof(ManifestPackage *));
printf("Initializing package manifest:\n");
for (size_t i = 0; i < fsdata->files_length; i++) {
float percent = (((float)i + 1) / fsdata->files_length) * 100;
printf("[%3.0f%%] %s\n", percent, basename(fsdata->files[i]));
Dependencies *deps = NULL;
dep_init(&deps);
if (dep_all(&deps, basename(fsdata->files[i])) < 0) {
dep_free(&deps);
}
// Initialize package record
info->packages[i] = (ManifestPackage *) calloc(1, sizeof(ManifestPackage));
// Copy dependencies
if (deps->records) {
info->packages[i]->requirements = (char **) calloc(deps->__size, sizeof(char *));
info->packages[i]->requirements_records = deps->records;
size_t j;
for (j = 0; j < deps->records; j++) {
info->packages[i]->requirements[j] = (char *) calloc(strlen(deps->list[j]) + 1, sizeof(char));
strncpy(info->packages[i]->requirements[j], deps->list[j], strlen(deps->list[j]));
}
}
dep_free(&deps);
// Replace unwanted hyphens in the package name with an invalid character to prevent splitting on the wrong
// hyphen below
int delims = num_chars(fsdata->files[i], '-');
if (delims > PACKAGE_MIN_DELIM) {
for (size_t t = strlen(fsdata->files[i]); t != 0; t--) {
if (fsdata->files[i][t] == '-') {
delims--;
if (delims == 0) {
fsdata->files[i][t] = '*';
}
}
}
}
// Split the package name into parts (invalid characters are ignored)
char **parts = split(fsdata->files[i], "-");
// Replace invalid character with a hyphen
replace_text(parts[0], "*", "-");
replace_text(fsdata->files[i], "*", "-");
// Populate `ManifestPackage` record
info->packages[i]->size = (size_t) get_file_size(fsdata->files[i]);
strncpy(info->packages[i]->archive, basename(fsdata->files[i]), PACKAGE_MEMBER_SIZE);
strncpy(info->packages[i]->name, basename(parts[0]), PACKAGE_MEMBER_SIZE);
strncpy(info->packages[i]->version, parts[1], PACKAGE_MEMBER_SIZE);
strncpy(info->packages[i]->revision, parts[2], PACKAGE_MEMBER_SIZE);
strdelsuffix(info->packages[i]->revision, SPM_PACKAGE_EXTENSION);
split_free(parts);
}
return info;
}
/**
* Free a `Manifest` structure
* @param info `Manifest`
*/
void manifest_free(Manifest *info) {
for (size_t i = 0; i < info->records; i++) {
if (info->packages[i]->requirements) {
for (int j = 0; info->packages[i]->requirements[j] != NULL; j++) {
free(info->packages[i]->requirements[j]);
}
free(info->packages[i]->requirements);
}
free(info->packages[i]);
}
free(info->packages);
free(info);
}
/**
* Write a `Manifest` to the configuration directory
* @param info
* @return
*/
int manifest_write(Manifest *info) {
const char *filename = "manifest.dat";
char path[PATH_MAX];
memset(path, '\0', sizeof(path));
sprintf(path, "%s%c%s", SPM_GLOBAL.user_config_basedir, DIRSEP, filename);
FILE *fp = fopen(path, "w+");
char *reqs = NULL;
// A little too much information (debug?)
if (SPM_GLOBAL.verbose) {
for (size_t i = 0; i < info->records; i++) {
printf("%-20s: %s\n"
"%-20s: %zu\n"
"%-20s: %s\n"
"%-20s: %s\n"
"%-20s: %s\n"
"%-20s: %zu\n",
"archive", info->packages[i]->archive,
"size", info->packages[i]->size,
"name", info->packages[i]->name,
"version", info->packages[i]->version,
"revision", info->packages[i]->revision,
"requirements_records", info->packages[i]->requirements_records
);
reqs = join(info->packages[i]->requirements, ", ");
printf("%-20s: %s\n", "requirements", reqs ? reqs : "NONE");
free(reqs);
printf("\n");
}
}
printf("Generating manifest file: %s\n", path);
for (size_t i = 0; i < info->records; i++) {
// write CSV-like manifest
char data[BUFSIZ];
memset(data, '\0', BUFSIZ);
char *dptr = data;
float percent = (((float)i + 1) / info->records) * 100;
printf("[%3.0f%%] %s\n", percent, info->packages[i]->archive);
reqs = join(info->packages[i]->requirements, ",");
sprintf(dptr, "%s|" // archive
"%zu|" // size
"%s|" // name
"%s|" // version
"%s|" // revision
"%zu|" // requirements_records
"%s" // requirements
, info->packages[i]->archive,
info->packages[i]->size,
info->packages[i]->name,
info->packages[i]->version,
info->packages[i]->revision,
info->packages[i]->requirements_records,
reqs ? reqs : "*");
fprintf(fp, "%s\n", dptr);
free(reqs);
}
fclose(fp);
return 0;
}
/**
* Read the package manifest stored in the configuration directory
* @return `Manifest` structure
*/
Manifest *manifest_read(void) {
const char *filename = "manifest.dat";
char path[PATH_MAX];
memset(path, '\0', sizeof(path));
sprintf(path, "%s%c%s", SPM_GLOBAL.user_config_basedir, DIRSEP, filename);
FILE *fp = fopen(path, "r+");
if (!fp) {
perror(filename);
return NULL;
}
size_t total_records = 0;
char data[BUFSIZ];
char *dptr = data;
memset(dptr, '\0', BUFSIZ);
while (fgets(dptr, BUFSIZ, fp) != NULL) {
total_records++;
}
rewind(fp);
Manifest *info = (Manifest *)calloc(1, sizeof(Manifest));
info->packages = (ManifestPackage **)calloc(total_records + 1, sizeof(ManifestPackage *));
// Begin parsing the manifest
size_t i = 0;
while (fgets(dptr, BUFSIZ, fp) != NULL) {
dptr = strip(dptr);
char *garbage;
char **parts = split(dptr, "|");
info->packages[i] = (ManifestPackage *)calloc(1, sizeof(ManifestPackage));
strncpy(info->packages[i]->archive, parts[0], strlen(parts[0]));
info->packages[i]->size = strtoul(parts[1], &garbage, 10);
strncpy(info->packages[i]->name, parts[2], strlen(parts[2]));
strncpy(info->packages[i]->version, parts[3], strlen(parts[3]));
strncpy(info->packages[i]->revision, parts[4], strlen(parts[4]));
info->packages[i]->requirements_records = (size_t) atoi(parts[5]);
info->packages[i]->requirements = NULL;
if (strncmp(parts[6], "*", 2) != 0) {
info->packages[i]->requirements = split(parts[6], ",");
}
split_free(parts);
info->records = i;
i++;
}
fclose(fp);
return info;
}
/**
* Find a package in a `Manifest`
* @param info `Manifest`
* @param _package package name
* @return found=`ManifestPackage`, not found=NULL
*/
ManifestPackage *manifest_search(Manifest *info, const char *_package) {
char package[PATH_MAX];
memset(package, '\0', PATH_MAX);
strncpy(package, _package, PATH_MAX);
strcat(package, "*");
for (size_t i = 0; i < info->records; i++) {
if (fnmatch(package, info->packages[i]->archive, FNM_PATHNAME) == 0) {
return info->packages[i];
}
}
return NULL;
}
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