diff options
Diffstat (limited to 'plugins/yaml/python')
-rw-r--r-- | plugins/yaml/python/Makefile.am | 1 | ||||
-rw-r--r-- | plugins/yaml/python/constants.c | 127 | ||||
-rw-r--r-- | plugins/yaml/python/constants.h | 42 | ||||
-rw-r--r-- | plugins/yaml/python/pair.c | 179 |
4 files changed, 344 insertions, 5 deletions
diff --git a/plugins/yaml/python/Makefile.am b/plugins/yaml/python/Makefile.am index 89b319c..f3dc989 100644 --- a/plugins/yaml/python/Makefile.am +++ b/plugins/yaml/python/Makefile.am @@ -3,6 +3,7 @@ noinst_LTLIBRARIES = libyamlpython.la libyamlpython_la_SOURCES = \ collection.h collection.c \ + constants.h constants.c \ module.h module.c \ node.h node.c \ pair.h pair.c \ diff --git a/plugins/yaml/python/constants.c b/plugins/yaml/python/constants.c new file mode 100644 index 0000000..ff04584 --- /dev/null +++ b/plugins/yaml/python/constants.c @@ -0,0 +1,127 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * constants.c - prise en charge des constantes liées à YAML + * + * Copyright (C) 2023 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * Chrysalide is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * Chrysalide is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include "constants.h" + + +#include <plugins/pychrysalide/helpers.h> + + +#include "../pair.h" + + + +/****************************************************************************** +* * +* Paramètres : type = type dont le dictionnaire est à compléter. * +* * +* Description : Définit les constantes relatives au noeuds principaux. * +* * +* Retour : true en cas de succès de l'opération, false sinon. * +* * +* Remarques : - * +* * +******************************************************************************/ + +bool define_yaml_pair_constants(PyTypeObject *type) +{ + bool result; /* Bilan à retourner */ + PyObject *values; /* Groupe de valeurs à établir */ + + values = PyDict_New(); + + result = add_const_to_group(values, "PLAIN", YOS_PLAIN); + if (result) result = add_const_to_group(values, "SINGLE_QUOTED", YOS_SINGLE_QUOTED); + if (result) result = add_const_to_group(values, "DOUBLE_QUOTED", YOS_DOUBLE_QUOTED); + + if (!result) + { + Py_DECREF(values); + goto exit; + } + + result = attach_constants_group_to_type(type, false, "YamlOriginalStyle", values, + "Original style of scalar YAML nodes."); + + exit: + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : arg = argument quelconque à tenter de convertir. * +* dst = destination des valeurs récupérées en cas de succès. * +* * +* Description : Tente de convertir en constante YamlOriginalStyle. * +* * +* Retour : Bilan de l'opération, voire indications supplémentaires. * +* * +* Remarques : - * +* * +******************************************************************************/ + +int convert_to_yaml_pair_original_style(PyObject *arg, void *dst) +{ + int result; /* Bilan à retourner */ + unsigned long value; /* Valeur transcrite */ + + result = PyObject_IsInstance(arg, (PyObject *)&PyLong_Type); + + switch (result) + { + case -1: + /* L'exception est déjà fixée par Python */ + result = 0; + break; + + case 0: + PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to YamlOriginalStyle"); + break; + + case 1: + value = PyLong_AsUnsignedLong(arg); + + if (value > YOS_DOUBLE_QUOTED) + { + PyErr_SetString(PyExc_TypeError, "invalid value for YamlOriginalStyle"); + result = 0; + } + + else + *((YamlOriginalStyle *)dst) = value; + + break; + + default: + assert(false); + break; + + } + + return result; + +} diff --git a/plugins/yaml/python/constants.h b/plugins/yaml/python/constants.h new file mode 100644 index 0000000..d31bb69 --- /dev/null +++ b/plugins/yaml/python/constants.h @@ -0,0 +1,42 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * constants.h - prototypes pour la prise en charge des constantes liées à YAML + * + * Copyright (C) 2023 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * Chrysalide is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * Chrysalide is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#ifndef _PLUGINS_YAML_PYTHON_CONSTANTS_H +#define _PLUGINS_YAML_PYTHON_CONSTANTS_H + + +#include <Python.h> +#include <stdbool.h> + + + +/* Définit les constantes relatives au noeuds principaux. */ +bool define_yaml_pair_constants(PyTypeObject *); + +/* Tente de convertir en constante YamlOriginalStyle. */ +int convert_to_yaml_pair_original_style(PyObject *, void *); + + + +#endif /* _PLUGINS_YAML_PYTHON_CONSTANTS_H */ diff --git a/plugins/yaml/python/pair.c b/plugins/yaml/python/pair.c index adaf04d..65132f6 100644 --- a/plugins/yaml/python/pair.c +++ b/plugins/yaml/python/pair.c @@ -26,6 +26,7 @@ #include <assert.h> +#include <malloc.h> #include <pygobject.h> @@ -34,6 +35,7 @@ #include "collection.h" +#include "constants.h" #include "node.h" #include "../pair-int.h" @@ -44,12 +46,21 @@ CREATE_DYN_CONSTRUCTOR(yaml_pair, G_TYPE_YAML_PAIR); /* Initialise une instance sur la base du dérivé de GObject. */ static int py_yaml_pair_init(PyObject *, PyObject *, PyObject *); +/* Rassemble une éventuelle séquence de valeurs attachées. */ +static PyObject *py_yaml_pair_aggregate_value(PyObject *, PyObject *); + /* Fournit la clef représentée dans une paire en YAML. */ static PyObject *py_yaml_pair_get_key(PyObject *, void *); +/* Indique le format d'origine YAML associé à la clef. */ +static PyObject *py_yaml_pair_get_key_style(PyObject *, void *); + /* Fournit l'éventuelle valeur d'une paire en YAML. */ static PyObject *py_yaml_pair_get_value(PyObject *, void *); +/* Indique le format d'origine YAML associé à la clef. */ +static PyObject *py_yaml_pair_get_value_style(PyObject *, void *); + /* Attache une collection de noeuds YAML à un noeud. */ static int py_yaml_pair_set_children(PyObject *, PyObject *, void *); @@ -74,7 +85,9 @@ static PyObject *py_yaml_pair_get_children(PyObject *, void *); static int py_yaml_pair_init(PyObject *self, PyObject *args, PyObject *kwds) { + YamlOriginalStyle kstyle; /* Format d'origine de la clef */ const char *value; /* Eventuelle valeur associée */ + YamlOriginalStyle vstyle; /* Format d'origine de la val. */ const char *key; /* Clef associée au noeud */ int ret; /* Bilan de lecture des args. */ GYamlPair *pair; /* Création GLib à transmettre */ @@ -84,16 +97,35 @@ static int py_yaml_pair_init(PyObject *self, PyObject *args, PyObject *kwds) "\n" \ "Instances can be created using the following constructor:\n" \ "\n" \ - " YamlPair(key, value=None)\n" \ + " YamlPair(key, kstyle=PLAIN, value=None, vstyle=PLAIN)\n" \ "\n" \ "Where *key* defines the name for the YAML node, and *value*" \ - " provides an optional direct value for the node." + " provides an optional direct value for the node. The *kstyle* and" \ + " *vstyle* arguements are" \ + " pychrysalide.plugins.yaml.YamlPair.YamlOriginalStyle states" \ + " linking an original format to the provided relative strings.\n" \ + "\n" \ + "The two style are mainly used to aggregate children values into" \ + " a raw array. The following declarations are indeed equivalent" \ + " and pychrysalide.plugins.yaml.YamlPair.aggregate_value()" \ + " build the latter version from the former one:\n" \ + "\n" \ + "a: [ 1, 2, 3 ]\n" \ + "\n" \ + "a:\n" \ + " - 1\n" \ + " - 2\n" \ + " - 3" \ /* Récupération des paramètres */ + kstyle = YOS_PLAIN; value = NULL; + vstyle = YOS_PLAIN; - ret = PyArg_ParseTuple(args, "s|s", &key, &value); + ret = PyArg_ParseTuple(args, "s|O&sO&", + &key, convert_to_yaml_pair_original_style, &kstyle, + &value, convert_to_yaml_pair_original_style, &vstyle); if (!ret) return -1; /* Initialisation d'un objet GLib */ @@ -105,7 +137,7 @@ static int py_yaml_pair_init(PyObject *self, PyObject *args, PyObject *kwds) pair = G_YAML_PAIR(pygobject_get(self)); - if (!g_yaml_pair_create(pair, key, value)) + if (!g_yaml_pair_create(pair, key, kstyle, value, vstyle)) { PyErr_SetString(PyExc_ValueError, _("Unable to create YAML pair.")); return -1; @@ -119,6 +151,58 @@ static int py_yaml_pair_init(PyObject *self, PyObject *args, PyObject *kwds) /****************************************************************************** * * +* Paramètres : self = serveur à manipuler. * +* args = arguments d'appel non utilisés ici. * +* * +* Description : Rassemble une éventuelle séquence de valeurs attachées. * +* * +* Retour : Valeur sous forme de chaîne de caractères ou None. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_yaml_pair_aggregate_value(PyObject *self, PyObject *args) +{ + PyObject *result; /* Bilan à retourner */ + GYamlPair *node; /* Version GLib du type */ + char *value; /* Chaîne à transmettre */ + +#define YAML_PAIR_AGGREGATE_VALUE_METHOD PYTHON_METHOD_DEF \ +( \ + aggregate_value, "$self, /", \ + METH_NOARGS, py_yaml_pair, \ + "Provide the value linked to the YAML node, rebuilding" \ + " it from inner sequenced values if necessary and" \ + " possible." \ + "\n" \ + "The result is a string value, or *None* if none" \ + " available." \ +) + + node = G_YAML_PAIR(pygobject_get(self)); + + value = g_yaml_pair_aggregate_value(node); + + if (value == NULL) + { + result = Py_None; + Py_INCREF(result); + } + + else + { + result = PyUnicode_FromString(value); + free(value); + } + + return result; + +} + + +/****************************************************************************** +* * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * @@ -160,6 +244,44 @@ static PyObject *py_yaml_pair_get_key(PyObject *self, void *closure) * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * +* Description : Indique le format d'origine YAML associé à la clef. * +* * +* Retour : Valeur renseignée lors du chargement du noeud. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_yaml_pair_get_key_style(PyObject *self, void *closure) +{ + PyObject *result; /* Résultat à retourner */ + GYamlPair *node; /* Version GLib du noeud */ + YamlOriginalStyle style; /* Format à transmettre */ + +#define YAML_PAIR_KEY_STYLE_ATTRIB PYTHON_GET_DEF_FULL \ +( \ + key_style, py_yaml_pair, \ + "Original format for the YAML node Key, as a" \ + " pychrysalide.plugins.yaml.YamlPair.YamlOriginalStyle" \ + " value." \ +) + + node = G_YAML_PAIR(pygobject_get(self)); + + style = g_yaml_pair_get_key_style(node); + + result = cast_with_constants_group_from_type(get_python_yaml_pair_type(), "YamlOriginalStyle", style); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : self = objet Python concerné par l'appel. * +* closure = non utilisé ici. * +* * * Description : Fournit l'éventuelle valeur d'une paire en YAML. * * * * Retour : Valeur sous forme de chaîne de caractères ou None. * @@ -178,7 +300,7 @@ static PyObject *py_yaml_pair_get_value(PyObject *self, void *closure) ( \ value, py_yaml_pair, \ "Value linked to the YAML key/value pair node, as a" \ - " string value, or None if none defined." \ + " string value, or *None* if none defined." \ ) node = G_YAML_PAIR(pygobject_get(self)); @@ -201,6 +323,47 @@ static PyObject *py_yaml_pair_get_value(PyObject *self, void *closure) /****************************************************************************** * * +* Paramètres : self = objet Python concerné par l'appel. * +* closure = non utilisé ici. * +* * +* Description : Indique le format d'origine YAML associé à la clef. * +* * +* Retour : Valeur renseignée lors du chargement du noeud. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static PyObject *py_yaml_pair_get_value_style(PyObject *self, void *closure) +{ + PyObject *result; /* Résultat à retourner */ + GYamlPair *node; /* Version GLib du noeud */ + YamlOriginalStyle style; /* Format à transmettre */ + +#define YAML_PAIR_VALUE_STYLE_ATTRIB PYTHON_GET_DEF_FULL \ +( \ + value_style, py_yaml_pair, \ + "Original format for the YAML node Value, as a" \ + " pychrysalide.plugins.yaml.YamlPair.YamlOriginalStyle" \ + " value.\n" \ + "\n" \ + "Even if there is no value for the node, the default" \ + " style is returned: *PLAIN*." \ +) + + node = G_YAML_PAIR(pygobject_get(self)); + + style = g_yaml_pair_get_value_style(node); + + result = cast_with_constants_group_from_type(get_python_yaml_pair_type(), "YamlOriginalStyle", style); + + return result; + +} + + +/****************************************************************************** +* * * Paramètres : self = contenu binaire à manipuler. * * value = collection de noeuds YAML. * * closure = adresse non utilisée ici. * @@ -308,12 +471,15 @@ static PyObject *py_yaml_pair_get_children(PyObject *self, void *closure) PyTypeObject *get_python_yaml_pair_type(void) { static PyMethodDef py_yaml_pair_methods[] = { + YAML_PAIR_AGGREGATE_VALUE_METHOD, { NULL } }; static PyGetSetDef py_yaml_pair_getseters[] = { YAML_PAIR_KEY_ATTRIB, + YAML_PAIR_KEY_STYLE_ATTRIB, YAML_PAIR_VALUE_ATTRIB, + YAML_PAIR_VALUE_STYLE_ATTRIB, YAML_PAIR_CHILDREN_ATTRIB, { NULL } }; @@ -367,6 +533,9 @@ bool register_python_yaml_pair(PyObject *module) if (!register_class_for_pygobject(dict, G_TYPE_YAML_PAIR, type, get_python_yaml_node_type())) return false; + if (!define_yaml_pair_constants(type)) + return false; + return true; } |